http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e9db7c5d/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StripeStoreFileManager.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StripeStoreFileManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StripeStoreFileManager.html index b09e20b..3c088c8 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StripeStoreFileManager.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StripeStoreFileManager.html @@ -155,937 +155,942 @@ <span class="sourceLineNo">147</span> }<a name="line.147"></a> <span class="sourceLineNo">148</span><a name="line.148"></a> <span class="sourceLineNo">149</span> @Override<a name="line.149"></a> -<span class="sourceLineNo">150</span> public void insertNewFiles(Collection<StoreFile> sfs) throws IOException {<a name="line.150"></a> -<span class="sourceLineNo">151</span> CompactionOrFlushMergeCopy cmc = new CompactionOrFlushMergeCopy(true);<a name="line.151"></a> -<span class="sourceLineNo">152</span> // Passing null does not cause NPE??<a name="line.152"></a> -<span class="sourceLineNo">153</span> cmc.mergeResults(null, sfs);<a name="line.153"></a> -<span class="sourceLineNo">154</span> debugDumpState("Added new files");<a name="line.154"></a> -<span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span><a name="line.156"></a> -<span class="sourceLineNo">157</span> @Override<a name="line.157"></a> -<span class="sourceLineNo">158</span> public ImmutableCollection<StoreFile> clearFiles() {<a name="line.158"></a> -<span class="sourceLineNo">159</span> ImmutableCollection<StoreFile> result = state.allFilesCached;<a name="line.159"></a> -<span class="sourceLineNo">160</span> this.state = new State();<a name="line.160"></a> -<span class="sourceLineNo">161</span> this.fileStarts.clear();<a name="line.161"></a> -<span class="sourceLineNo">162</span> this.fileEnds.clear();<a name="line.162"></a> -<span class="sourceLineNo">163</span> return result;<a name="line.163"></a> -<span class="sourceLineNo">164</span> }<a name="line.164"></a> -<span class="sourceLineNo">165</span><a name="line.165"></a> -<span class="sourceLineNo">166</span> @Override<a name="line.166"></a> -<span class="sourceLineNo">167</span> public ImmutableCollection<StoreFile> clearCompactedFiles() {<a name="line.167"></a> -<span class="sourceLineNo">168</span> ImmutableCollection<StoreFile> result = state.allCompactedFilesCached;<a name="line.168"></a> -<span class="sourceLineNo">169</span> this.state = new State();<a name="line.169"></a> -<span class="sourceLineNo">170</span> return result;<a name="line.170"></a> -<span class="sourceLineNo">171</span> }<a name="line.171"></a> -<span class="sourceLineNo">172</span><a name="line.172"></a> -<span class="sourceLineNo">173</span> @Override<a name="line.173"></a> -<span class="sourceLineNo">174</span> public int getStorefileCount() {<a name="line.174"></a> -<span class="sourceLineNo">175</span> return state.allFilesCached.size();<a name="line.175"></a> +<span class="sourceLineNo">150</span> public int getCompactedFilesCount() {<a name="line.150"></a> +<span class="sourceLineNo">151</span> return state.allCompactedFilesCached.size();<a name="line.151"></a> +<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> @Override<a name="line.154"></a> +<span class="sourceLineNo">155</span> public void insertNewFiles(Collection<StoreFile> sfs) throws IOException {<a name="line.155"></a> +<span class="sourceLineNo">156</span> CompactionOrFlushMergeCopy cmc = new CompactionOrFlushMergeCopy(true);<a name="line.156"></a> +<span class="sourceLineNo">157</span> // Passing null does not cause NPE??<a name="line.157"></a> +<span class="sourceLineNo">158</span> cmc.mergeResults(null, sfs);<a name="line.158"></a> +<span class="sourceLineNo">159</span> debugDumpState("Added new files");<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span><a name="line.161"></a> +<span class="sourceLineNo">162</span> @Override<a name="line.162"></a> +<span class="sourceLineNo">163</span> public ImmutableCollection<StoreFile> clearFiles() {<a name="line.163"></a> +<span class="sourceLineNo">164</span> ImmutableCollection<StoreFile> result = state.allFilesCached;<a name="line.164"></a> +<span class="sourceLineNo">165</span> this.state = new State();<a name="line.165"></a> +<span class="sourceLineNo">166</span> this.fileStarts.clear();<a name="line.166"></a> +<span class="sourceLineNo">167</span> this.fileEnds.clear();<a name="line.167"></a> +<span class="sourceLineNo">168</span> return result;<a name="line.168"></a> +<span class="sourceLineNo">169</span> }<a name="line.169"></a> +<span class="sourceLineNo">170</span><a name="line.170"></a> +<span class="sourceLineNo">171</span> @Override<a name="line.171"></a> +<span class="sourceLineNo">172</span> public ImmutableCollection<StoreFile> clearCompactedFiles() {<a name="line.172"></a> +<span class="sourceLineNo">173</span> ImmutableCollection<StoreFile> result = state.allCompactedFilesCached;<a name="line.173"></a> +<span class="sourceLineNo">174</span> this.state = new State();<a name="line.174"></a> +<span class="sourceLineNo">175</span> return result;<a name="line.175"></a> <span class="sourceLineNo">176</span> }<a name="line.176"></a> <span class="sourceLineNo">177</span><a name="line.177"></a> -<span class="sourceLineNo">178</span> /** See {@link StoreFileManager#getCandidateFilesForRowKeyBefore(KeyValue)}<a name="line.178"></a> -<span class="sourceLineNo">179</span> * for details on this methods. */<a name="line.179"></a> -<span class="sourceLineNo">180</span> @Override<a name="line.180"></a> -<span class="sourceLineNo">181</span> public Iterator<StoreFile> getCandidateFilesForRowKeyBefore(final KeyValue targetKey) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> KeyBeforeConcatenatedLists result = new KeyBeforeConcatenatedLists();<a name="line.182"></a> -<span class="sourceLineNo">183</span> // Order matters for this call.<a name="line.183"></a> -<span class="sourceLineNo">184</span> result.addSublist(state.level0Files);<a name="line.184"></a> -<span class="sourceLineNo">185</span> if (!state.stripeFiles.isEmpty()) {<a name="line.185"></a> -<span class="sourceLineNo">186</span> int lastStripeIndex = findStripeForRow(CellUtil.cloneRow(targetKey), false);<a name="line.186"></a> -<span class="sourceLineNo">187</span> for (int stripeIndex = lastStripeIndex; stripeIndex >= 0; --stripeIndex) {<a name="line.187"></a> -<span class="sourceLineNo">188</span> result.addSublist(state.stripeFiles.get(stripeIndex));<a name="line.188"></a> -<span class="sourceLineNo">189</span> }<a name="line.189"></a> -<span class="sourceLineNo">190</span> }<a name="line.190"></a> -<span class="sourceLineNo">191</span> return result.iterator();<a name="line.191"></a> -<span class="sourceLineNo">192</span> }<a name="line.192"></a> -<span class="sourceLineNo">193</span><a name="line.193"></a> -<span class="sourceLineNo">194</span> /** See {@link StoreFileManager#getCandidateFilesForRowKeyBefore(KeyValue)} and<a name="line.194"></a> -<span class="sourceLineNo">195</span> * {@link StoreFileManager#updateCandidateFilesForRowKeyBefore(Iterator, KeyValue, Cell)}<a name="line.195"></a> -<span class="sourceLineNo">196</span> * for details on this methods. */<a name="line.196"></a> -<span class="sourceLineNo">197</span> @Override<a name="line.197"></a> -<span class="sourceLineNo">198</span> public Iterator<StoreFile> updateCandidateFilesForRowKeyBefore(<a name="line.198"></a> -<span class="sourceLineNo">199</span> Iterator<StoreFile> candidateFiles, final KeyValue targetKey, final Cell candidate) {<a name="line.199"></a> -<span class="sourceLineNo">200</span> KeyBeforeConcatenatedLists.Iterator original =<a name="line.200"></a> -<span class="sourceLineNo">201</span> (KeyBeforeConcatenatedLists.Iterator)candidateFiles;<a name="line.201"></a> -<span class="sourceLineNo">202</span> assert original != null;<a name="line.202"></a> -<span class="sourceLineNo">203</span> ArrayList<List<StoreFile>> components = original.getComponents();<a name="line.203"></a> -<span class="sourceLineNo">204</span> for (int firstIrrelevant = 0; firstIrrelevant < components.size(); ++firstIrrelevant) {<a name="line.204"></a> -<span class="sourceLineNo">205</span> StoreFile sf = components.get(firstIrrelevant).get(0);<a name="line.205"></a> -<span class="sourceLineNo">206</span> byte[] endKey = endOf(sf);<a name="line.206"></a> -<span class="sourceLineNo">207</span> // Entries are ordered as such: L0, then stripes in reverse order. 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StoreUtils.getFileSplitPoint(largestFile.get(), cellComparator).orElse(null) : null;<a name="line.222"></a> -<span class="sourceLineNo">223</span> }<a name="line.223"></a> -<span class="sourceLineNo">224</span><a name="line.224"></a> -<span class="sourceLineNo">225</span> /**<a name="line.225"></a> -<span class="sourceLineNo">226</span> * Override of getSplitPoint that determines the split point as the boundary between two<a name="line.226"></a> -<span class="sourceLineNo">227</span> * stripes, unless it causes significant imbalance between split sides' sizes. In that<a name="line.227"></a> -<span class="sourceLineNo">228</span> * case, the split boundary will be chosen from the middle of one of the stripes to<a name="line.228"></a> -<span class="sourceLineNo">229</span> * minimize imbalance.<a name="line.229"></a> -<span class="sourceLineNo">230</span> * @return The split point, or null if no split is possible.<a name="line.230"></a> -<span class="sourceLineNo">231</span> */<a name="line.231"></a> -<span class="sourceLineNo">232</span> @Override<a name="line.232"></a> -<span class="sourceLineNo">233</span> public byte[] getSplitPoint() throws IOException {<a name="line.233"></a> -<span class="sourceLineNo">234</span> if (this.getStorefileCount() == 0) return null;<a name="line.234"></a> -<span class="sourceLineNo">235</span> if (state.stripeFiles.size() <= 1) {<a name="line.235"></a> -<span class="sourceLineNo">236</span> return getSplitPointFromAllFiles();<a name="line.236"></a> -<span class="sourceLineNo">237</span> }<a name="line.237"></a> -<span class="sourceLineNo">238</span> int leftIndex = -1, rightIndex = state.stripeFiles.size();<a name="line.238"></a> -<span class="sourceLineNo">239</span> long leftSize = 0, rightSize = 0;<a name="line.239"></a> -<span class="sourceLineNo">240</span> long lastLeftSize = 0, lastRightSize = 0;<a name="line.240"></a> -<span class="sourceLineNo">241</span> while (rightIndex - 1 != leftIndex) {<a name="line.241"></a> -<span class="sourceLineNo">242</span> if (leftSize >= rightSize) {<a name="line.242"></a> -<span class="sourceLineNo">243</span> --rightIndex;<a name="line.243"></a> -<span class="sourceLineNo">244</span> lastRightSize = getStripeFilesSize(rightIndex);<a name="line.244"></a> -<span class="sourceLineNo">245</span> rightSize += lastRightSize;<a name="line.245"></a> -<span class="sourceLineNo">246</span> } else {<a name="line.246"></a> -<span class="sourceLineNo">247</span> ++leftIndex;<a name="line.247"></a> -<span class="sourceLineNo">248</span> lastLeftSize = getStripeFilesSize(leftIndex);<a name="line.248"></a> -<span class="sourceLineNo">249</span> leftSize += lastLeftSize;<a name="line.249"></a> -<span class="sourceLineNo">250</span> }<a name="line.250"></a> -<span class="sourceLineNo">251</span> }<a name="line.251"></a> -<span class="sourceLineNo">252</span> if (leftSize == 0 || rightSize == 0) {<a name="line.252"></a> -<span class="sourceLineNo">253</span> String errMsg = String.format("Cannot split on a boundary - left index %d size %d, "<a name="line.253"></a> -<span class="sourceLineNo">254</span> + "right index %d size %d", leftIndex, leftSize, rightIndex, rightSize);<a name="line.254"></a> -<span class="sourceLineNo">255</span> debugDumpState(errMsg);<a name="line.255"></a> -<span class="sourceLineNo">256</span> LOG.warn(errMsg);<a name="line.256"></a> -<span class="sourceLineNo">257</span> return getSplitPointFromAllFiles();<a name="line.257"></a> -<span class="sourceLineNo">258</span> }<a name="line.258"></a> -<span class="sourceLineNo">259</span> double ratio = (double)rightSize / leftSize;<a name="line.259"></a> -<span class="sourceLineNo">260</span> if (ratio < 1) {<a name="line.260"></a> -<span class="sourceLineNo">261</span> ratio = 1 / ratio;<a name="line.261"></a> -<span class="sourceLineNo">262</span> }<a name="line.262"></a> -<span class="sourceLineNo">263</span> if (config.getMaxSplitImbalance() > ratio) return state.stripeEndRows[leftIndex];<a name="line.263"></a> -<span class="sourceLineNo">264</span><a name="line.264"></a> -<span class="sourceLineNo">265</span> // If the difference between the sides is too large, we could get the proportional key on<a name="line.265"></a> -<span class="sourceLineNo">266</span> // the a stripe to equalize the difference, but there's no proportional key method at the<a name="line.266"></a> -<span class="sourceLineNo">267</span> // moment, and it's not extremely important.<a name="line.267"></a> -<span class="sourceLineNo">268</span> // See if we can achieve better ratio if we split the bigger side in half.<a name="line.268"></a> -<span class="sourceLineNo">269</span> boolean isRightLarger = rightSize >= leftSize;<a name="line.269"></a> -<span class="sourceLineNo">270</span> double newRatio = isRightLarger<a name="line.270"></a> -<span class="sourceLineNo">271</span> ? getMidStripeSplitRatio(leftSize, rightSize, lastRightSize)<a name="line.271"></a> -<span class="sourceLineNo">272</span> : getMidStripeSplitRatio(rightSize, leftSize, lastLeftSize);<a name="line.272"></a> -<span class="sourceLineNo">273</span> if (newRatio < 1) {<a name="line.273"></a> -<span class="sourceLineNo">274</span> newRatio = 1 / newRatio;<a name="line.274"></a> -<span class="sourceLineNo">275</span> }<a name="line.275"></a> -<span class="sourceLineNo">276</span> if (newRatio >= ratio) return state.stripeEndRows[leftIndex];<a name="line.276"></a> -<span class="sourceLineNo">277</span> LOG.debug("Splitting the stripe - ratio w/o split " + ratio + ", ratio with split "<a name="line.277"></a> -<span class="sourceLineNo">278</span> + newRatio + " configured ratio " + config.getMaxSplitImbalance());<a name="line.278"></a> -<span class="sourceLineNo">279</span> // Ok, we may get better ratio, get it.<a name="line.279"></a> -<span class="sourceLineNo">280</span> return getSplitPoint(state.stripeFiles.get(isRightLarger ? rightIndex : leftIndex));<a name="line.280"></a> -<span class="sourceLineNo">281</span> }<a name="line.281"></a> -<span class="sourceLineNo">282</span><a name="line.282"></a> -<span class="sourceLineNo">283</span> private byte[] getSplitPointFromAllFiles() throws IOException {<a name="line.283"></a> -<span class="sourceLineNo">284</span> ConcatenatedLists<StoreFile> sfs = new ConcatenatedLists<>();<a name="line.284"></a> -<span class="sourceLineNo">285</span> sfs.addSublist(state.level0Files);<a name="line.285"></a> -<span class="sourceLineNo">286</span> sfs.addAllSublists(state.stripeFiles);<a name="line.286"></a> -<span class="sourceLineNo">287</span> return getSplitPoint(sfs);<a name="line.287"></a> -<span class="sourceLineNo">288</span> }<a name="line.288"></a> -<span class="sourceLineNo">289</span><a name="line.289"></a> -<span class="sourceLineNo">290</span> private double getMidStripeSplitRatio(long smallerSize, long largerSize, long lastLargerSize) {<a name="line.290"></a> -<span class="sourceLineNo">291</span> return (double)(largerSize - lastLargerSize / 2f) / (smallerSize + lastLargerSize / 2f);<a name="line.291"></a> -<span class="sourceLineNo">292</span> }<a name="line.292"></a> -<span class="sourceLineNo">293</span><a name="line.293"></a> -<span class="sourceLineNo">294</span> @Override<a name="line.294"></a> -<span class="sourceLineNo">295</span> public Collection<StoreFile> getFilesForScan(byte[] startRow, boolean includeStartRow,<a name="line.295"></a> -<span class="sourceLineNo">296</span> byte[] stopRow, boolean includeStopRow) {<a name="line.296"></a> -<span class="sourceLineNo">297</span> if (state.stripeFiles.isEmpty()) {<a name="line.297"></a> -<span class="sourceLineNo">298</span> return state.level0Files; // There's just L0.<a name="line.298"></a> -<span class="sourceLineNo">299</span> }<a name="line.299"></a> -<span class="sourceLineNo">300</span><a name="line.300"></a> -<span class="sourceLineNo">301</span> int firstStripe = findStripeForRow(startRow, true);<a name="line.301"></a> -<span class="sourceLineNo">302</span> int lastStripe = findStripeForRow(stopRow, false);<a name="line.302"></a> -<span class="sourceLineNo">303</span> assert firstStripe <= lastStripe;<a name="line.303"></a> -<span class="sourceLineNo">304</span> if (firstStripe == lastStripe && state.level0Files.isEmpty()) {<a name="line.304"></a> -<span class="sourceLineNo">305</span> return state.stripeFiles.get(firstStripe); // There's just one stripe we need.<a name="line.305"></a> -<span class="sourceLineNo">306</span> }<a name="line.306"></a> -<span class="sourceLineNo">307</span> if (firstStripe == 0 && lastStripe == (state.stripeFiles.size() - 1)) {<a name="line.307"></a> -<span class="sourceLineNo">308</span> return state.allFilesCached; // We need to read all files.<a name="line.308"></a> -<span class="sourceLineNo">309</span> }<a name="line.309"></a> -<span class="sourceLineNo">310</span><a name="line.310"></a> -<span class="sourceLineNo">311</span> ConcatenatedLists<StoreFile> result = new ConcatenatedLists<>();<a name="line.311"></a> -<span class="sourceLineNo">312</span> result.addAllSublists(state.stripeFiles.subList(firstStripe, lastStripe + 1));<a name="line.312"></a> -<span class="sourceLineNo">313</span> result.addSublist(state.level0Files);<a name="line.313"></a> -<span class="sourceLineNo">314</span> return result;<a name="line.314"></a> -<span class="sourceLineNo">315</span> }<a name="line.315"></a> -<span class="sourceLineNo">316</span><a name="line.316"></a> -<span class="sourceLineNo">317</span> @Override<a name="line.317"></a> -<span class="sourceLineNo">318</span> public void addCompactionResults(<a name="line.318"></a> -<span class="sourceLineNo">319</span> Collection<StoreFile> compactedFiles, Collection<StoreFile> results) throws IOException {<a name="line.319"></a> -<span class="sourceLineNo">320</span> // See class comment for the assumptions we make here.<a name="line.320"></a> -<span class="sourceLineNo">321</span> LOG.debug("Attempting to merge compaction results: " + compactedFiles.size()<a name="line.321"></a> -<span class="sourceLineNo">322</span> + " files replaced by " + results.size());<a name="line.322"></a> -<span class="sourceLineNo">323</span> // In order to be able to fail in the middle of the operation, we'll operate on lazy<a name="line.323"></a> -<span class="sourceLineNo">324</span> // copies and apply the result at the end.<a name="line.324"></a> -<span class="sourceLineNo">325</span> CompactionOrFlushMergeCopy cmc = new CompactionOrFlushMergeCopy(false);<a name="line.325"></a> -<span class="sourceLineNo">326</span> cmc.mergeResults(compactedFiles, results);<a name="line.326"></a> -<span class="sourceLineNo">327</span> markCompactedAway(compactedFiles);<a name="line.327"></a> -<span class="sourceLineNo">328</span> debugDumpState("Merged compaction results");<a name="line.328"></a> -<span class="sourceLineNo">329</span> }<a name="line.329"></a> -<span class="sourceLineNo">330</span><a name="line.330"></a> -<span class="sourceLineNo">331</span> // Mark the files as compactedAway once the storefiles and compactedfiles list is finalised<a name="line.331"></a> -<span class="sourceLineNo">332</span> // Let a background thread close the actual reader on these compacted files and also<a name="line.332"></a> -<span class="sourceLineNo">333</span> // ensure to evict the blocks from block cache so that they are no longer in<a name="line.333"></a> -<span class="sourceLineNo">334</span> // cache<a name="line.334"></a> -<span class="sourceLineNo">335</span> private void markCompactedAway(Collection<StoreFile> compactedFiles) {<a name="line.335"></a> -<span class="sourceLineNo">336</span> for (StoreFile file : compactedFiles) {<a name="line.336"></a> -<span class="sourceLineNo">337</span> file.markCompactedAway();<a name="line.337"></a> -<span class="sourceLineNo">338</span> }<a name="line.338"></a> -<span class="sourceLineNo">339</span> }<a name="line.339"></a> -<span class="sourceLineNo">340</span><a name="line.340"></a> -<span class="sourceLineNo">341</span> @Override<a name="line.341"></a> -<span class="sourceLineNo">342</span> public void removeCompactedFiles(Collection<StoreFile> compactedFiles) throws IOException {<a name="line.342"></a> -<span class="sourceLineNo">343</span> // See class comment for the assumptions we make here.<a name="line.343"></a> -<span class="sourceLineNo">344</span> LOG.debug("Attempting to delete compaction results: " + compactedFiles.size());<a name="line.344"></a> -<span class="sourceLineNo">345</span> // In order to be able to fail in the middle of the operation, we'll operate on lazy<a name="line.345"></a> -<span class="sourceLineNo">346</span> // copies and apply the result at the end.<a name="line.346"></a> -<span class="sourceLineNo">347</span> CompactionOrFlushMergeCopy cmc = new CompactionOrFlushMergeCopy(false);<a name="line.347"></a> -<span class="sourceLineNo">348</span> cmc.deleteResults(compactedFiles);<a name="line.348"></a> -<span class="sourceLineNo">349</span> debugDumpState("Deleted compaction results");<a name="line.349"></a> -<span class="sourceLineNo">350</span> }<a name="line.350"></a> -<span class="sourceLineNo">351</span><a name="line.351"></a> -<span class="sourceLineNo">352</span> @Override<a name="line.352"></a> -<span class="sourceLineNo">353</span> public int getStoreCompactionPriority() {<a name="line.353"></a> -<span class="sourceLineNo">354</span> // If there's only L0, do what the default store does.<a name="line.354"></a> -<span class="sourceLineNo">355</span> // If we are in critical priority, do the same - we don't want to trump all stores all<a name="line.355"></a> -<span class="sourceLineNo">356</span> // the time due to how many files we have.<a name="line.356"></a> -<span class="sourceLineNo">357</span> int fc = getStorefileCount();<a name="line.357"></a> -<span class="sourceLineNo">358</span> if (state.stripeFiles.isEmpty() || (this.blockingFileCount <= fc)) {<a name="line.358"></a> -<span class="sourceLineNo">359</span> return this.blockingFileCount - fc;<a name="line.359"></a> -<span class="sourceLineNo">360</span> }<a name="line.360"></a> -<span class="sourceLineNo">361</span> // If we are in good shape, we don't want to be trumped by all other stores due to how<a name="line.361"></a> -<span class="sourceLineNo">362</span> // many files we have, so do an approximate mapping to normal priority range; L0 counts<a name="line.362"></a> -<span class="sourceLineNo">363</span> // for all stripes.<a name="line.363"></a> -<span class="sourceLineNo">364</span> int l0 = state.level0Files.size(), sc = state.stripeFiles.size();<a name="line.364"></a> -<span class="sourceLineNo">365</span> int priority = (int)Math.ceil(((double)(this.blockingFileCount - fc + l0) / sc) - l0);<a name="line.365"></a> -<span class="sourceLineNo">366</span> return (priority <= HStore.PRIORITY_USER) ? (HStore.PRIORITY_USER + 1) : priority;<a name="line.366"></a> -<span class="sourceLineNo">367</span> }<a name="line.367"></a> -<span class="sourceLineNo">368</span><a name="line.368"></a> -<span class="sourceLineNo">369</span> /**<a name="line.369"></a> -<span class="sourceLineNo">370</span> * Gets the total size of all files in the stripe.<a name="line.370"></a> -<span class="sourceLineNo">371</span> * @param stripeIndex Stripe index.<a name="line.371"></a> -<span class="sourceLineNo">372</span> * @return Size.<a name="line.372"></a> -<span class="sourceLineNo">373</span> */<a name="line.373"></a> -<span class="sourceLineNo">374</span> private long getStripeFilesSize(int stripeIndex) {<a name="line.374"></a> -<span class="sourceLineNo">375</span> long result = 0;<a name="line.375"></a> -<span class="sourceLineNo">376</span> for (StoreFile sf : state.stripeFiles.get(stripeIndex)) {<a name="line.376"></a> -<span class="sourceLineNo">377</span> result += sf.getReader().length();<a name="line.377"></a> -<span class="sourceLineNo">378</span> }<a name="line.378"></a> -<span class="sourceLineNo">379</span> return result;<a name="line.379"></a> -<span class="sourceLineNo">380</span> }<a name="line.380"></a> -<span class="sourceLineNo">381</span><a name="line.381"></a> -<span class="sourceLineNo">382</span> /**<a name="line.382"></a> -<span class="sourceLineNo">383</span> * Loads initial store files that were picked up from some physical location pertaining to<a name="line.383"></a> -<span class="sourceLineNo">384</span> * this store (presumably). Unlike adding files after compaction, assumes empty initial<a name="line.384"></a> -<span class="sourceLineNo">385</span> * sets, and is forgiving with regard to stripe constraints - at worst, many/all files will<a name="line.385"></a> -<span class="sourceLineNo">386</span> * go to level 0.<a name="line.386"></a> -<span class="sourceLineNo">387</span> * @param storeFiles Store files to add.<a name="line.387"></a> -<span class="sourceLineNo">388</span> */<a name="line.388"></a> -<span class="sourceLineNo">389</span> private void loadUnclassifiedStoreFiles(List<StoreFile> storeFiles) {<a name="line.389"></a> -<span class="sourceLineNo">390</span> LOG.debug("Attempting to load " + storeFiles.size() + " store files.");<a name="line.390"></a> -<span class="sourceLineNo">391</span> TreeMap<byte[], ArrayList<StoreFile>> candidateStripes = new TreeMap<>(MAP_COMPARATOR);<a name="line.391"></a> -<span class="sourceLineNo">392</span> ArrayList<StoreFile> level0Files = new ArrayList<>();<a name="line.392"></a> -<span class="sourceLineNo">393</span> // Separate the files into tentative stripes; then validate. Currently, we rely on metadata.<a name="line.393"></a> -<span class="sourceLineNo">394</span> // If needed, we could dynamically determine the stripes in future.<a name="line.394"></a> -<span class="sourceLineNo">395</span> for (StoreFile sf : storeFiles) {<a name="line.395"></a> -<span class="sourceLineNo">396</span> byte[] startRow = startOf(sf), endRow = endOf(sf);<a name="line.396"></a> -<span class="sourceLineNo">397</span> // Validate the range and put the files into place.<a name="line.397"></a> -<span class="sourceLineNo">398</span> if (isInvalid(startRow) || isInvalid(endRow)) {<a name="line.398"></a> -<span class="sourceLineNo">399</span> insertFileIntoStripe(level0Files, sf); // No metadata - goes to L0.<a name="line.399"></a> -<span class="sourceLineNo">400</span> ensureLevel0Metadata(sf);<a name="line.400"></a> -<span class="sourceLineNo">401</span> } else if (!isOpen(startRow) && !isOpen(endRow) &&<a name="line.401"></a> -<span class="sourceLineNo">402</span> nonOpenRowCompare(startRow, endRow) >= 0) {<a name="line.402"></a> -<span class="sourceLineNo">403</span> LOG.error("Unexpected metadata - start row [" + Bytes.toString(startRow) + "], end row ["<a name="line.403"></a> -<span class="sourceLineNo">404</span> + Bytes.toString(endRow) + "] in file [" + sf.getPath() + "], pushing to L0");<a name="line.404"></a> -<span class="sourceLineNo">405</span> insertFileIntoStripe(level0Files, sf); // Bad metadata - goes to L0 also.<a name="line.405"></a> -<span class="sourceLineNo">406</span> ensureLevel0Metadata(sf);<a name="line.406"></a> -<span class="sourceLineNo">407</span> } else {<a name="line.407"></a> -<span class="sourceLineNo">408</span> ArrayList<StoreFile> stripe = candidateStripes.get(endRow);<a name="line.408"></a> -<span class="sourceLineNo">409</span> if (stripe == null) {<a name="line.409"></a> -<span class="sourceLineNo">410</span> stripe = new ArrayList<>();<a name="line.410"></a> -<span class="sourceLineNo">411</span> candidateStripes.put(endRow, stripe);<a name="line.411"></a> -<span class="sourceLineNo">412</span> }<a name="line.412"></a> -<span class="sourceLineNo">413</span> insertFileIntoStripe(stripe, sf);<a name="line.413"></a> -<span class="sourceLineNo">414</span> }<a name="line.414"></a> -<span class="sourceLineNo">415</span> }<a name="line.415"></a> -<span class="sourceLineNo">416</span> // Possible improvement - for variable-count stripes, if all the files are in L0, we can<a name="line.416"></a> -<span class="sourceLineNo">417</span> // instead create single, open-ended stripe with all files.<a name="line.417"></a> -<span class="sourceLineNo">418</span><a name="line.418"></a> -<span class="sourceLineNo">419</span> boolean hasOverlaps = false;<a name="line.419"></a> -<span class="sourceLineNo">420</span> byte[] expectedStartRow = null; // first stripe can start wherever<a name="line.420"></a> -<span class="sourceLineNo">421</span> Iterator<Map.Entry<byte[], ArrayList<StoreFile>>> entryIter =<a name="line.421"></a> -<span class="sourceLineNo">422</span> candidateStripes.entrySet().iterator();<a name="line.422"></a> -<span class="sourceLineNo">423</span> while (entryIter.hasNext()) {<a name="line.423"></a> -<span class="sourceLineNo">424</span> Map.Entry<byte[], ArrayList<StoreFile>> entry = entryIter.next();<a name="line.424"></a> -<span class="sourceLineNo">425</span> ArrayList<StoreFile> files = entry.getValue();<a name="line.425"></a> -<span class="sourceLineNo">426</span> // Validate the file start rows, and remove the bad ones to level 0.<a name="line.426"></a> -<span class="sourceLineNo">427</span> for (int i = 0; i < files.size(); ++i) {<a name="line.427"></a> -<span class="sourceLineNo">428</span> StoreFile sf = files.get(i);<a name="line.428"></a> -<span class="sourceLineNo">429</span> byte[] startRow = startOf(sf);<a name="line.429"></a> -<span class="sourceLineNo">430</span> if (expectedStartRow == null) {<a name="line.430"></a> -<span class="sourceLineNo">431</span> expectedStartRow = startRow; // ensure that first stripe is still consistent<a name="line.431"></a> -<span class="sourceLineNo">432</span> } else if (!rowEquals(expectedStartRow, startRow)) {<a name="line.432"></a> -<span class="sourceLineNo">433</span> hasOverlaps = true;<a name="line.433"></a> -<span class="sourceLineNo">434</span> LOG.warn("Store file doesn't fit into the tentative stripes - expected to start at ["<a name="line.434"></a> -<span class="sourceLineNo">435</span> + Bytes.toString(expectedStartRow) + "], but starts at [" + Bytes.toString(startRow)<a name="line.435"></a> -<span class="sourceLineNo">436</span> + "], to L0 it goes");<a name="line.436"></a> -<span class="sourceLineNo">437</span> StoreFile badSf = files.remove(i);<a name="line.437"></a> -<span class="sourceLineNo">438</span> insertFileIntoStripe(level0Files, badSf);<a name="line.438"></a> -<span class="sourceLineNo">439</span> ensureLevel0Metadata(badSf);<a name="line.439"></a> -<span class="sourceLineNo">440</span> --i;<a name="line.440"></a> -<span class="sourceLineNo">441</span> }<a name="line.441"></a> -<span class="sourceLineNo">442</span> }<a name="line.442"></a> -<span class="sourceLineNo">443</span> // Check if any files from the candidate stripe are valid. If so, add a stripe.<a name="line.443"></a> -<span class="sourceLineNo">444</span> byte[] endRow = entry.getKey();<a name="line.444"></a> -<span class="sourceLineNo">445</span> if (!files.isEmpty()) {<a name="line.445"></a> -<span class="sourceLineNo">446</span> expectedStartRow = endRow; // Next stripe must start exactly at that key.<a name="line.446"></a> -<span class="sourceLineNo">447</span> } else {<a name="line.447"></a> -<span class="sourceLineNo">448</span> entryIter.remove();<a name="line.448"></a> -<span class="sourceLineNo">449</span> }<a name="line.449"></a> -<span class="sourceLineNo">450</span> }<a name="line.450"></a> -<span class="sourceLineNo">451</span><a name="line.451"></a> -<span class="sourceLineNo">452</span> // In the end, there must be open ends on two sides. If not, and there were no errors i.e.<a name="line.452"></a> -<span class="sourceLineNo">453</span> // files are consistent, they might be coming from a split. We will treat the boundaries<a name="line.453"></a> -<span class="sourceLineNo">454</span> // as open keys anyway, and log the message.<a name="line.454"></a> -<span class="sourceLineNo">455</span> // If there were errors, we'll play it safe and dump everything into L0.<a name="line.455"></a> -<span class="sourceLineNo">456</span> if (!candidateStripes.isEmpty()) {<a name="line.456"></a> -<span class="sourceLineNo">457</span> StoreFile firstFile = candidateStripes.firstEntry().getValue().get(0);<a name="line.457"></a> -<span class="sourceLineNo">458</span> boolean isOpen = isOpen(startOf(firstFile)) && isOpen(candidateStripes.lastKey());<a name="line.458"></a> -<span class="sourceLineNo">459</span> if (!isOpen) {<a name="line.459"></a> -<span class="sourceLineNo">460</span> LOG.warn("The range of the loaded files does not cover full key space: from ["<a name="line.460"></a> -<span class="sourceLineNo">461</span> + Bytes.toString(startOf(firstFile)) + "], to ["<a name="line.461"></a> -<span class="sourceLineNo">462</span> + Bytes.toString(candidateStripes.lastKey()) + "]");<a name="line.462"></a> -<span class="sourceLineNo">463</span> if (!hasOverlaps) {<a name="line.463"></a> -<span class="sourceLineNo">464</span> ensureEdgeStripeMetadata(candidateStripes.firstEntry().getValue(), true);<a name="line.464"></a> -<span class="sourceLineNo">465</span> ensureEdgeStripeMetadata(candidateStripes.lastEntry().getValue(), false);<a name="line.465"></a> -<span class="sourceLineNo">466</span> } else {<a name="line.466"></a> -<span class="sourceLineNo">467</span> LOG.warn("Inconsistent files, everything goes to L0.");<a name="line.467"></a> -<span class="sourceLineNo">468</span> for (ArrayList<StoreFile> files : candidateStripes.values()) {<a name="line.468"></a> -<span class="sourceLineNo">469</span> for (StoreFile sf : files) {<a name="line.469"></a> -<span class="sourceLineNo">470</span> insertFileIntoStripe(level0Files, sf);<a name="line.470"></a> -<span class="sourceLineNo">471</span> ensureLevel0Metadata(sf);<a name="line.471"></a> -<span class="sourceLineNo">472</span> }<a name="line.472"></a> -<span class="sourceLineNo">473</span> }<a name="line.473"></a> -<span class="sourceLineNo">474</span> candidateStripes.clear();<a name="line.474"></a> -<span class="sourceLineNo">475</span> }<a name="line.475"></a> -<span class="sourceLineNo">476</span> }<a name="line.476"></a> -<span class="sourceLineNo">477</span> }<a name="line.477"></a> -<span class="sourceLineNo">478</span><a name="line.478"></a> -<span class="sourceLineNo">479</span> // Copy the results into the fields.<a name="line.479"></a> -<span class="sourceLineNo">480</span> State state = new State();<a name="line.480"></a> -<span class="sourceLineNo">481</span> state.level0Files = ImmutableList.copyOf(level0Files);<a name="line.481"></a> -<span class="sourceLineNo">482</span> state.stripeFiles = new ArrayList<>(candidateStripes.size());<a name="line.482"></a> -<span class="sourceLineNo">483</span> state.stripeEndRows = new byte[Math.max(0, candidateStripes.size() - 1)][];<a name="line.483"></a> -<span class="sourceLineNo">484</span> ArrayList<StoreFile> newAllFiles = new ArrayList<>(level0Files);<a name="line.484"></a> -<span class="sourceLineNo">485</span> int i = candidateStripes.size() - 1;<a name="line.485"></a> -<span class="sourceLineNo">486</span> for (Map.Entry<byte[], ArrayList<StoreFile>> entry : candidateStripes.entrySet()) {<a name="line.486"></a> -<span class="sourceLineNo">487</span> state.stripeFiles.add(ImmutableList.copyOf(entry.getValue()));<a name="line.487"></a> -<span class="sourceLineNo">488</span> newAllFiles.addAll(entry.getValue());<a name="line.488"></a> -<span class="sourceLineNo">489</span> if (i > 0) {<a name="line.489"></a> -<span class="sourceLineNo">490</span> state.stripeEndRows[state.stripeFiles.size() - 1] = entry.getKey();<a name="line.490"></a> -<span class="sourceLineNo">491</span> }<a name="line.491"></a> -<span class="sourceLineNo">492</span> --i;<a name="line.492"></a> -<span class="sourceLineNo">493</span> }<a name="line.493"></a> -<span class="sourceLineNo">494</span> state.allFilesCached = ImmutableList.copyOf(newAllFiles);<a name="line.494"></a> -<span class="sourceLineNo">495</span> this.state = state;<a name="line.495"></a> -<span class="sourceLineNo">496</span> debugDumpState("Files loaded");<a name="line.496"></a> -<span class="sourceLineNo">497</span> }<a name="line.497"></a> -<span class="sourceLineNo">498</span><a name="line.498"></a> -<span class="sourceLineNo">499</span> private void ensureEdgeStripeMetadata(ArrayList<StoreFile> stripe, boolean isFirst) {<a name="line.499"></a> -<span class="sourceLineNo">500</span> HashMap<StoreFile, byte[]> targetMap = isFirst ? fileStarts : fileEnds;<a name="line.500"></a> -<span class="sourceLineNo">501</span> for (StoreFile sf : stripe) {<a name="line.501"></a> -<span class="sourceLineNo">502</span> targetMap.put(sf, OPEN_KEY);<a name="line.502"></a> -<span class="sourceLineNo">503</span> }<a name="line.503"></a> -<span class="sourceLineNo">504</span> }<a name="line.504"></a> -<span class="sourceLineNo">505</span><a name="line.505"></a> -<span class="sourceLineNo">506</span> private void ensureLevel0Metadata(StoreFile sf) {<a name="line.506"></a> -<span class="sourceLineNo">507</span> if (!isInvalid(startOf(sf))) this.fileStarts.put(sf, INVALID_KEY_IN_MAP);<a name="line.507"></a> -<span class="sourceLineNo">508</span> if (!isInvalid(endOf(sf))) this.fileEnds.put(sf, INVALID_KEY_IN_MAP);<a name="line.508"></a> +<span class="sourceLineNo">178</span> @Override<a name="line.178"></a> +<span class="sourceLineNo">179</span> public int getStorefileCount() {<a name="line.179"></a> +<span class="sourceLineNo">180</span> return state.allFilesCached.size();<a name="line.180"></a> +<span class="sourceLineNo">181</span> }<a name="line.181"></a> +<span class="sourceLineNo">182</span><a name="line.182"></a> +<span class="sourceLineNo">183</span> /** See {@link StoreFileManager#getCandidateFilesForRowKeyBefore(KeyValue)}<a name="line.183"></a> +<span class="sourceLineNo">184</span> * for details on this methods. */<a name="line.184"></a> +<span class="sourceLineNo">185</span> @Override<a name="line.185"></a> +<span class="sourceLineNo">186</span> public Iterator<StoreFile> getCandidateFilesForRowKeyBefore(final KeyValue targetKey) {<a name="line.186"></a> +<span class="sourceLineNo">187</span> KeyBeforeConcatenatedLists result = new KeyBeforeConcatenatedLists();<a name="line.187"></a> +<span class="sourceLineNo">188</span> // Order matters for this call.<a name="line.188"></a> +<span class="sourceLineNo">189</span> result.addSublist(state.level0Files);<a name="line.189"></a> +<span class="sourceLineNo">190</span> if (!state.stripeFiles.isEmpty()) {<a name="line.190"></a> +<span class="sourceLineNo">191</span> int lastStripeIndex = findStripeForRow(CellUtil.cloneRow(targetKey), false);<a name="line.191"></a> +<span class="sourceLineNo">192</span> for (int stripeIndex = lastStripeIndex; stripeIndex >= 0; --stripeIndex) {<a name="line.192"></a> +<span class="sourceLineNo">193</span> result.addSublist(state.stripeFiles.get(stripeIndex));<a name="line.193"></a> +<span class="sourceLineNo">194</span> }<a name="line.194"></a> +<span class="sourceLineNo">195</span> }<a name="line.195"></a> +<span class="sourceLineNo">196</span> return result.iterator();<a name="line.196"></a> +<span class="sourceLineNo">197</span> }<a name="line.197"></a> +<span class="sourceLineNo">198</span><a name="line.198"></a> +<span class="sourceLineNo">199</span> /** See {@link StoreFileManager#getCandidateFilesForRowKeyBefore(KeyValue)} and<a name="line.199"></a> +<span class="sourceLineNo">200</span> * {@link StoreFileManager#updateCandidateFilesForRowKeyBefore(Iterator, KeyValue, Cell)}<a name="line.200"></a> +<span class="sourceLineNo">201</span> * for details on this methods. */<a name="line.201"></a> +<span class="sourceLineNo">202</span> @Override<a name="line.202"></a> +<span class="sourceLineNo">203</span> public Iterator<StoreFile> updateCandidateFilesForRowKeyBefore(<a name="line.203"></a> +<span class="sourceLineNo">204</span> Iterator<StoreFile> candidateFiles, final KeyValue targetKey, final Cell candidate) {<a name="line.204"></a> +<span class="sourceLineNo">205</span> KeyBeforeConcatenatedLists.Iterator original =<a name="line.205"></a> +<span class="sourceLineNo">206</span> (KeyBeforeConcatenatedLists.Iterator)candidateFiles;<a name="line.206"></a> +<span class="sourceLineNo">207</span> assert original != null;<a name="line.207"></a> +<span class="sourceLineNo">208</span> ArrayList<List<StoreFile>> components = original.getComponents();<a name="line.208"></a> +<span class="sourceLineNo">209</span> for (int firstIrrelevant = 0; firstIrrelevant < components.size(); ++firstIrrelevant) {<a name="line.209"></a> +<span class="sourceLineNo">210</span> StoreFile sf = components.get(firstIrrelevant).get(0);<a name="line.210"></a> +<span class="sourceLineNo">211</span> byte[] endKey = endOf(sf);<a name="line.211"></a> +<span class="sourceLineNo">212</span> // Entries are ordered as such: L0, then stripes in reverse order. We never remove<a name="line.212"></a> +<span class="sourceLineNo">213</span> // level 0; we remove the stripe, and all subsequent ones, as soon as we find the<a name="line.213"></a> +<span class="sourceLineNo">214</span> // first one that cannot possibly have better candidates.<a name="line.214"></a> +<span class="sourceLineNo">215</span> if (!isInvalid(endKey) && !isOpen(endKey)<a name="line.215"></a> +<span class="sourceLineNo">216</span> && (nonOpenRowCompare(targetKey, endKey) >= 0)) {<a name="line.216"></a> +<span class="sourceLineNo">217</span> original.removeComponents(firstIrrelevant);<a name="line.217"></a> +<span class="sourceLineNo">218</span> break;<a name="line.218"></a> +<span class="sourceLineNo">219</span> }<a name="line.219"></a> +<span class="sourceLineNo">220</span> }<a name="line.220"></a> +<span class="sourceLineNo">221</span> return original;<a name="line.221"></a> +<span class="sourceLineNo">222</span> }<a name="line.222"></a> +<span class="sourceLineNo">223</span><a name="line.223"></a> +<span class="sourceLineNo">224</span> private byte[] getSplitPoint(Collection<StoreFile> sfs) throws IOException {<a name="line.224"></a> +<span class="sourceLineNo">225</span> Optional<StoreFile> largestFile = StoreUtils.getLargestFile(sfs);<a name="line.225"></a> +<span class="sourceLineNo">226</span> return largestFile.isPresent()<a name="line.226"></a> +<span class="sourceLineNo">227</span> ? StoreUtils.getFileSplitPoint(largestFile.get(), cellComparator).orElse(null) : null;<a name="line.227"></a> +<span class="sourceLineNo">228</span> }<a name="line.228"></a> +<span class="sourceLineNo">229</span><a name="line.229"></a> +<span class="sourceLineNo">230</span> /**<a name="line.230"></a> +<span class="sourceLineNo">231</span> * Override of getSplitPoint that determines the split point as the boundary between two<a name="line.231"></a> +<span class="sourceLineNo">232</span> * stripes, unless it causes significant imbalance between split sides' sizes. In that<a name="line.232"></a> +<span class="sourceLineNo">233</span> * case, the split boundary will be chosen from the middle of one of the stripes to<a name="line.233"></a> +<span class="sourceLineNo">234</span> * minimize imbalance.<a name="line.234"></a> +<span class="sourceLineNo">235</span> * @return The split point, or null if no split is possible.<a name="line.235"></a> +<span class="sourceLineNo">236</span> */<a name="line.236"></a> +<span class="sourceLineNo">237</span> @Override<a name="line.237"></a> +<span class="sourceLineNo">238</span> public byte[] getSplitPoint() throws IOException {<a name="line.238"></a> +<span class="sourceLineNo">239</span> if (this.getStorefileCount() == 0) return null;<a name="line.239"></a> +<span class="sourceLineNo">240</span> if (state.stripeFiles.size() <= 1) {<a name="line.240"></a> +<span class="sourceLineNo">241</span> return getSplitPointFromAllFiles();<a name="line.241"></a> +<span class="sourceLineNo">242</span> }<a name="line.242"></a> +<span class="sourceLineNo">243</span> int leftIndex = -1, rightIndex = state.stripeFiles.size();<a name="line.243"></a> +<span class="sourceLineNo">244</span> long leftSize = 0, rightSize = 0;<a name="line.244"></a> +<span class="sourceLineNo">245</span> long lastLeftSize = 0, lastRightSize = 0;<a name="line.245"></a> +<span class="sourceLineNo">246</span> while (rightIndex - 1 != leftIndex) {<a name="line.246"></a> +<span class="sourceLineNo">247</span> if (leftSize >= rightSize) {<a name="line.247"></a> +<span class="sourceLineNo">248</span> --rightIndex;<a name="line.248"></a> +<span class="sourceLineNo">249</span> lastRightSize = getStripeFilesSize(rightIndex);<a name="line.249"></a> +<span class="sourceLineNo">250</span> rightSize += lastRightSize;<a name="line.250"></a> +<span class="sourceLineNo">251</span> } else {<a name="line.251"></a> +<span class="sourceLineNo">252</span> ++leftIndex;<a name="line.252"></a> +<span class="sourceLineNo">253</span> lastLeftSize = getStripeFilesSize(leftIndex);<a name="line.253"></a> +<span class="sourceLineNo">254</span> leftSize += lastLeftSize;<a name="line.254"></a> +<span class="sourceLineNo">255</span> }<a name="line.255"></a> +<span class="sourceLineNo">256</span> }<a name="line.256"></a> +<span class="sourceLineNo">257</span> if (leftSize == 0 || rightSize == 0) {<a name="line.257"></a> +<span class="sourceLineNo">258</span> String errMsg = String.format("Cannot split on a boundary - left index %d size %d, "<a name="line.258"></a> +<span class="sourceLineNo">259</span> + "right index %d size %d", leftIndex, leftSize, rightIndex, rightSize);<a name="line.259"></a> +<span class="sourceLineNo">260</span> debugDumpState(errMsg);<a name="line.260"></a> +<span class="sourceLineNo">261</span> LOG.warn(errMsg);<a name="line.261"></a> +<span class="sourceLineNo">262</span> return getSplitPointFromAllFiles();<a name="line.262"></a> +<span class="sourceLineNo">263</span> }<a name="line.263"></a> +<span class="sourceLineNo">264</span> double ratio = (double)rightSize / leftSize;<a name="line.264"></a> +<span class="sourceLineNo">265</span> if (ratio < 1) {<a name="line.265"></a> +<span class="sourceLineNo">266</span> ratio = 1 / ratio;<a name="line.266"></a> +<span class="sourceLineNo">267</span> }<a name="line.267"></a> +<span class="sourceLineNo">268</span> if (config.getMaxSplitImbalance() > ratio) return state.stripeEndRows[leftIndex];<a name="line.268"></a> +<span class="sourceLineNo">269</span><a name="line.269"></a> +<span class="sourceLineNo">270</span> // If the difference between the sides is too large, we could get the proportional key on<a name="line.270"></a> +<span class="sourceLineNo">271</span> // the a stripe to equalize the difference, but there's no proportional key method at the<a name="line.271"></a> +<span class="sourceLineNo">272</span> // moment, and it's not extremely important.<a name="line.272"></a> +<span class="sourceLineNo">273</span> // See if we can achieve better ratio if we split the bigger side in half.<a name="line.273"></a> +<span class="sourceLineNo">274</span> boolean isRightLarger = rightSize >= leftSize;<a name="line.274"></a> +<span class="sourceLineNo">275</span> double newRatio = isRightLarger<a name="line.275"></a> +<span class="sourceLineNo">276</span> ? getMidStripeSplitRatio(leftSize, rightSize, lastRightSize)<a name="line.276"></a> +<span class="sourceLineNo">277</span> : getMidStripeSplitRatio(rightSize, leftSize, lastLeftSize);<a name="line.277"></a> +<span class="sourceLineNo">278</span> if (newRatio < 1) {<a name="line.278"></a> +<span class="sourceLineNo">279</span> newRatio = 1 / newRatio;<a name="line.279"></a> +<span class="sourceLineNo">280</span> }<a name="line.280"></a> +<span class="sourceLineNo">281</span> if (newRatio >= ratio) return state.stripeEndRows[leftIndex];<a name="line.281"></a> +<span class="sourceLineNo">282</span> LOG.debug("Splitting the stripe - ratio w/o split " + ratio + ", ratio with split "<a name="line.282"></a> +<span class="sourceLineNo">283</span> + newRatio + " configured ratio " + config.getMaxSplitImbalance());<a name="line.283"></a> +<span class="sourceLineNo">284</span> // Ok, we may get better ratio, get it.<a name="line.284"></a> +<span class="sourceLineNo">285</span> return getSplitPoint(state.stripeFiles.get(isRightLarger ? rightIndex : leftIndex));<a name="line.285"></a> +<span class="sourceLineNo">286</span> }<a name="line.286"></a> +<span class="sourceLineNo">287</span><a name="line.287"></a> +<span class="sourceLineNo">288</span> private byte[] getSplitPointFromAllFiles() throws IOException {<a name="line.288"></a> +<span class="sourceLineNo">289</span> ConcatenatedLists<StoreFile> sfs = new ConcatenatedLists<>();<a name="line.289"></a> +<span class="sourceLineNo">290</span> sfs.addSublist(state.level0Files);<a name="line.290"></a> +<span class="sourceLineNo">291</span> sfs.addAllSublists(state.stripeFiles);<a name="line.291"></a> +<span class="sourceLineNo">292</span> return getSplitPoint(sfs);<a name="line.292"></a> +<span class="sourceLineNo">293</span> }<a name="line.293"></a> +<span class="sourceLineNo">294</span><a name="line.294"></a> +<span class="sourceLineNo">295</span> private double getMidStripeSplitRatio(long smallerSize, long largerSize, long lastLargerSize) {<a name="line.295"></a> +<span class="sourceLineNo">296</span> return (double)(largerSize - lastLargerSize / 2f) / (smallerSize + lastLargerSize / 2f);<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a name="line.297"></a> +<span class="sourceLineNo">298</span><a name="line.298"></a> +<span class="sourceLineNo">299</span> @Override<a name="line.299"></a> +<span class="sourceLineNo">300</span> public Collection<StoreFile> getFilesForScan(byte[] startRow, boolean includeStartRow,<a name="line.300"></a> +<span class="sourceLineNo">301</span> byte[] stopRow, boolean includeStopRow) {<a name="line.301"></a> +<span class="sourceLineNo">302</span> if (state.stripeFiles.isEmpty()) {<a name="line.302"></a> +<span class="sourceLineNo">303</span> return state.level0Files; // There's just L0.<a name="line.303"></a> +<span class="sourceLineNo">304</span> }<a name="line.304"></a> +<span class="sourceLineNo">305</span><a name="line.305"></a> +<span class="sourceLineNo">306</span> int firstStripe = findStripeForRow(startRow, true);<a name="line.306"></a> +<span class="sourceLineNo">307</span> int lastStripe = findStripeForRow(stopRow, false);<a name="line.307"></a> +<span class="sourceLineNo">308</span> assert firstStripe <= lastStripe;<a name="line.308"></a> +<span class="sourceLineNo">309</span> if (firstStripe == lastStripe && state.level0Files.isEmpty()) {<a name="line.309"></a> +<span class="sourceLineNo">310</span> return state.stripeFiles.get(firstStripe); // There's just one stripe we need.<a name="line.310"></a> +<span class="sourceLineNo">311</span> }<a name="line.311"></a> +<span class="sourceLineNo">312</span> if (firstStripe == 0 && lastStripe == (state.stripeFiles.size() - 1)) {<a name="line.312"></a> +<span class="sourceLineNo">313</span> return state.allFilesCached; // We need to read all files.<a name="line.313"></a> +<span class="sourceLineNo">314</span> }<a name="line.314"></a> +<span class="sourceLineNo">315</span><a name="line.315"></a> +<span class="sourceLineNo">316</span> ConcatenatedLists<StoreFile> result = new ConcatenatedLists<>();<a name="line.316"></a> +<span class="sourceLineNo">317</span> result.addAllSublists(state.stripeFiles.subList(firstStripe, lastStripe + 1));<a name="line.317"></a> +<span class="sourceLineNo">318</span> result.addSublist(state.level0Files);<a name="line.318"></a> +<span class="sourceLineNo">319</span> return result;<a name="line.319"></a> +<span class="sourceLineNo">320</span> }<a name="line.320"></a> +<span class="sourceLineNo">321</span><a name="line.321"></a> +<span class="sourceLineNo">322</span> @Override<a name="line.322"></a> +<span class="sourceLineNo">323</span> public void addCompactionResults(<a name="line.323"></a> +<span class="sourceLineNo">324</span> Collection<StoreFile> compactedFiles, Collection<StoreFile> results) throws IOException {<a name="line.324"></a> +<span class="sourceLineNo">325</span> // See class comment for the assumptions we make here.<a name="line.325"></a> +<span class="sourceLineNo">326</span> LOG.debug("Attempting to merge compaction results: " + compactedFiles.size()<a name="line.326"></a> +<span class="sourceLineNo">327</span> + " files replaced by " + results.size());<a name="line.327"></a> +<span class="sourceLineNo">328</span> // In order to be able to fail in the middle of the operation, we'll operate on lazy<a name="line.328"></a> +<span class="sourceLineNo">329</span> // copies and apply the result at the end.<a name="line.329"></a> +<span class="sourceLineNo">330</span> CompactionOrFlushMergeCopy cmc = new CompactionOrFlushMergeCopy(false);<a name="line.330"></a> +<span class="sourceLineNo">331</span> cmc.mergeResults(compactedFiles, results);<a name="line.331"></a> +<span class="sourceLineNo">332</span> markCompactedAway(compactedFiles);<a name="line.332"></a> +<span class="sourceLineNo">333</span> debugDumpState("Merged compaction results");<a name="line.333"></a> +<span class="sourceLineNo">334</span> }<a name="line.334"></a> +<span class="sourceLineNo">335</span><a name="line.335"></a> +<span class="sourceLineNo">336</span> // Mark the files as compactedAway once the storefiles and compactedfiles list is finalised<a name="line.336"></a> +<span class="sourceLineNo">337</span> // Let a background thread close the actual reader on these compacted files and also<a name="line.337"></a> +<span class="sourceLineNo">338</span> // ensure to evict the blocks from block cache so that they are no longer in<a name="line.338"></a> +<span class="sourceLineNo">339</span> // cache<a name="line.339"></a> +<span class="sourceLineNo">340</span> private void markCompactedAway(Collection<StoreFile> compactedFiles) {<a name="line.340"></a> +<span class="sourceLineNo">341</span> for (StoreFile file : compactedFiles) {<a name="line.341"></a> +<span class="sourceLineNo">342</span> file.markCompactedAway();<a name="line.342"></a> +<span class="sourceLineNo">343</span> }<a name="line.343"></a> +<span class="sourceLineNo">344</span> }<a name="line.344"></a> +<span class="sourceLineNo">345</span><a name="line.345"></a> +<span class="sourceLineNo">346</span> @Override<a name="line.346"></a> +<span class="sourceLineNo">347</span> public void removeCompactedFiles(Collection<StoreFile> compactedFiles) throws IOException {<a name="line.347"></a> +<span class="sourceLineNo">348</span> // See class comment for the assumptions we make here.<a name="line.348"></a> +<span class="sourceLineNo">349</span> LOG.debug("Attempting to delete compaction results: " + compactedFiles.size());<a name="line.349"></a> +<span class="sourceLineNo">350</span> // In order to be able to fail in the middle of the operation, we'll operate on lazy<a name="line.350"></a> +<span class="sourceLineNo">351</span> // copies and apply the result at the end.<a name="line.351"></a> +<span class="sourceLineNo">352</span> CompactionOrFlushMergeCopy cmc = new CompactionOrFlushMergeCopy(false);<a name="line.352"></a> +<span class="sourceLineNo">353</span> cmc.deleteResults(compactedFiles);<a name="line.353"></a> +<span class="sourceLineNo">354</span> debugDumpState("Deleted compaction results");<a name="line.354"></a> +<span class="sourceLineNo">355</span> }<a name="line.355"></a> +<span class="sourceLineNo">356</span><a name="line.356"></a> +<span class="sourceLineNo">357</span> @Override<a name="line.357"></a> +<span class="sourceLineNo">358</span> public int getStoreCompactionPriority() {<a name="line.358"></a> +<span class="sourceLineNo">359</span> // If there's only L0, do what the default store does.<a name="line.359"></a> +<span class="sourceLineNo">360</span> // If we are in critical priority, do the same - we don't want to trump all stores all<a name="line.360"></a> +<span class="sourceLineNo">361</span> // the time due to how many files we have.<a name="line.361"></a> +<span class="sourceLineNo">362</span> int fc = getStorefileCount();<a name="line.362"></a> +<span class="sourceLineNo">363</span> if (state.stripeFiles.isEmpty() || (this.blockingFileCount <= fc)) {<a name="line.363"></a> +<span class="sourceLineNo">364</span> return this.blockingFileCount - fc;<a name="line.364"></a> +<span class="sourceLineNo">365</span> }<a name="line.365"></a> +<span class="sourceLineNo">366</span> // If we are in good shape, we don't want to be trumped by all other stores due to how<a name="line.366"></a> +<span class="sourceLineNo">367</span> // many files we have, so do an approximate mapping to normal priority range; L0 counts<a name="line.367"></a> +<span class="sourceLineNo">368</span> // for all stripes.<a name="line.368"></a> +<span class="sourceLineNo">369</span> int l0 = state.level0Files.size(), sc = state.stripeFiles.size();<a name="line.369"></a> +<span class="sourceLineNo">370</span> int priority = (int)Math.ceil(((double)(this.blockingFileCount - fc + l0) / sc) - l0);<a name="line.370"></a> +<span class="sourceLineNo">371</span> return (priority <= HStore.PRIORITY_USER) ? (HStore.PRIORITY_USER + 1) : priority;<a name="line.371"></a> +<span class="sourceLineNo">372</span> }<a name="line.372"></a> +<span class="sourceLineNo">373</span><a name="line.373"></a> +<span class="sourceLineNo">374</span> /**<a name="line.374"></a> +<span class="sourceLineNo">375</span> * Gets the total size of all files in the stripe.<a name="line.375"></a> +<span class="sourceLineNo">376</span> * @param stripeIndex Stripe index.<a name="line.376"></a> +<span class="sourceLineNo">377</span> * @return Size.<a name="line.377"></a> +<span class="sourceLineNo">378</span> */<a name="line.378"></a> +<span class="sourceLineNo">379</span> private long getStripeFilesSize(int stripeIndex) {<a name="line.379"></a> +<span class="sourceLineNo">380</span> long result = 0;<a name="line.380"></a> +<span class="sourceLineNo">381</span> for (StoreFile sf : state.stripeFiles.get(stripeIndex)) {<a name="line.381"></a> +<span class="sourceLineNo">382</span> result += sf.getReader().length();<a name="line.382"></a> +<span class="sourceLineNo">383</span> }<a name="line.383"></a> +<span class="sourceLineNo">384</span> return result;<a name="line.384"></a> +<span class="sourceLineNo">385</span> }<a name="line.385"></a> +<span class="sourceLineNo">386</span><a name="line.386"></a> +<span class="sourceLineNo">387</span> /**<a name="line.387"></a> +<span class="sourceLineNo">388</span> * Loads initial store files that were picked up from some physical location pertaining to<a name="line.388"></a> +<span class="sourceLineNo">389</span> * this store (presumably). Unlike adding files after compaction, assumes empty initial<a name="line.389"></a> +<span class="sourceLineNo">390</span> * sets, and is forgiving with regard to stripe constraints - at worst, many/all files will<a name="line.390"></a> +<span class="sourceLineNo">391</span> * go to level 0.<a name="line.391"></a> +<span class="sourceLineNo">392</span> * @param storeFiles Store files to add.<a name="line.392"></a> +<span class="sourceLineNo">393</span> */<a name="line.393"></a> +<span class="sourceLineNo">394</span> private void loadUnclassifiedStoreFiles(List<StoreFile> storeFiles) {<a name="line.394"></a> +<span class="sourceLineNo">395</span> LOG.debug("Attempting to load " + storeFiles.size() + " store files.");<a name="line.395"></a> +<span class="sourceLineNo">396</span> TreeMap<byte[], ArrayList<StoreFile>> candidateStripes = new TreeMap<>(MAP_COMPARATOR);<a name="line.396"></a> +<span class="sourceLineNo">397</span> ArrayList<StoreFile> level0Files = new ArrayList<>();<a name="line.397"></a> +<span class="sourceLineNo">398</span> // Separate the files into tentative stripes; then validate. Currently, we rely on metadata.<a name="line.398"></a> +<span class="sourceLineNo">399</span> // If needed, we could dynamically determine the stripes in future.<a name="line.399"></a> +<span class="sourceLineNo">400</span> for (StoreFile sf : storeFiles) {<a name="line.400"></a> +<span class="sourceLineNo">401</span> byte[] startRow = startOf(sf), endRow = endOf(sf);<a name="line.401"></a> +<span class="sourceLineNo">402</span> // Validate the range and put the files into place.<a name="line.402"></a> +<span class="sourceLineNo">403</span> if (isInvalid(startRow) || isInvalid(endRow)) {<a name="line.403"></a> +<span class="sourceLineNo">404</span> insertFileIntoStripe(level0Files, sf); // No metadata - goes to L0.<a name="line.404"></a> +<span class="sourceLineNo">405</span> ensureLevel0Metadata(sf);<a name="line.405"></a> +<span class="sourceLineNo">406</span> } else if (!isOpen(startRow) && !isOpen(endRow) &&<a name="line.406"></a> +<span class="sourceLineNo">407</span> nonOpenRowCompare(startRow, endRow) >= 0) {<a name="line.407"></a> +<span class="sourceLineNo">408</span> LOG.error("Unexpected metadata - start row [" + Bytes.toString(startRow) + "], end row ["<a name="line.408"></a> +<span class="sourceLineNo">409</span> + Bytes.toString(endRow) + "] in file [" + sf.getPath() + "], pushing to L0");<a name="line.409"></a> +<span class="sourceLineNo">410</span> insertFileIntoStripe(level0Files, sf); // Bad metadata - goes to L0 also.<a name="line.410"></a> +<span class="sourceLineNo">411</span> ensureLevel0Metadata(sf);<a name="line.411"></a> +<span class="sourceLineNo">412</span> } else {<a name="line.412"></a> +<span class="sourceLineNo">413</span> ArrayList<StoreFile> stripe = candidateStripes.get(endRow);<a name="line.413"></a> +<span class="sourceLineNo">414</span> if (stripe == null) {<a name="line.414"></a> +<span class="sourceLineNo">415</span> stripe = new ArrayList<>();<a name="line.415"></a> +<span class="sourceLineNo">416</span> candidateStripes.put(endRow, stripe);<a name="line.416"></a> +<span class="sourceLineNo">417</span> }<a name="line.417"></a> +<span class="sourceLineNo">418</span> insertFileIntoStripe(stripe, sf);<a name="line.418"></a> +<span class="sourceLineNo">419</span> }<a name="line.419"></a> +<span class="sourceLineNo">420</span> }<a name="line.420"></a> +<span class="sourceLineNo">421</span> // Possible improvement - for variable-count stripes, if all the files are in L0, we can<a name="line.421"></a> +<span class="sourceLineNo">422</span> // instead create single, open-ended stripe with all files.<a name="line.422"></a> +<span class="sourceLineNo">423</span><a name="line.423"></a> +<span class="sourceLineNo">424</span> boolean hasOverlaps = false;<a name="line.424"></a> +<span class="sourceLineNo">425</span> byte[] expectedStartRow = null; // first stripe can start wherever<a name="line.425"></a> +<span class="sourceLineNo">426</span> Iterator<Map.Entry<byte[], ArrayList<StoreFile>>> entryIter =<a name="line.426"></a> +<span class="sourceLineNo">427</span> candidateStripes.entrySet().iterator();<a name="line.427"></a> +<span class="sourceLineNo">428</span> while (entryIter.hasNext()) {<a name="line.428"></a> +<span class="sourceLineNo">429</span> Map.Entry<byte[], ArrayList<StoreFile>> entry = entryIter.next();<a name="line.429"></a> +<span class="sourceLineNo">430</span> ArrayList<StoreFile> files = entry.getValue();<a name="line.430"></a> +<span class="sourceLineNo">431</span> // Validate the file start rows, and remove the bad ones to level 0.<a name="line.431"></a> +<span class="sourceLineNo">432</span> for (int i = 0; i < files.size(); ++i) {<a name="line.432"></a> +<span class="sourceLineNo">433</span> StoreFile sf = files.get(i);<a name="line.433"></a> +<span class="sourceLineNo">434</span> byte[] startRow = startOf(sf);<a name="line.434"></a> +<span class="sourceLineNo">435</span> if (expectedStartRow == null) {<a name="line.435"></a> +<span class="sourceLineNo">436</span> expectedStartRow = startRow; // ensure that first stripe is still consistent<a name="line.436"></a> +<span class="sourceLineNo">437</span> } else if (!rowEquals(expectedStartRow, startRow)) {<a name="line.437"></a> +<span class="sourceLineNo">438</span> hasOverlaps = true;<a name="line.438"></a> +<span class="sourceLineNo">439</span> LOG.warn("Store file doesn't fit into the tentative stripes - expected to start at ["<a name="line.439"></a> +<span class="sourceLineNo">440</span> + Bytes.toString(expectedStartRow) + "], but starts at [" + Bytes.toString(startRow)<a name="line.440"></a> +<span class="sourceLineNo">441</span> + "], to L0 it goes");<a name="line.441"></a> +<span class="sourceLineNo">442</span> StoreFile badSf = files.remove(i);<a name="line.442"></a> +<span class="sourceLineNo">443</span> insertFileIntoStripe(level0Files, badSf);<a name="line.443"></a> +<span class="sourceLineNo">444</span> ensureLevel0Metadata(badSf);<a name="line.444"></a> +<span class="sourceLineNo">445</span> --i;<a name="line.445"></a> +<span class="sourceLineNo">446</span> }<a name="line.446"></a> +<span class="sourceLineNo">447</span> }<a name="line.447"></a> +<span class="sourceLineNo">448</span> // Check if any files from the candidate stripe are valid. If so, add a stripe.<a name="line.448"></a> +<span class="sourceLineNo">449</span> byte[] endRow = entry.getKey();<a name="line.449"></a> +<span class="sourceLineNo">450</span> if (!files.isEmpty()) {<a name="line.450"></a> +<span class="sourceLineNo">451</span> expectedStartRow = endRow; // Next stripe must start exactly at that key.<a name="line.451"></a> +<span class="sourceLineNo">452</span> } else {<a name="line.452"></a> +<span class="sourceLineNo">453</span> entryIter.remove();<a name="line.453"></a> +<span class="sourceLineNo">454</span> }<a name="line.454"></a> +<span class="sourceLineNo">455</span> }<a name="line.455"></a> +<span class="sourceLineNo">456</span><a name="line.456"></a> +<span class="sourceLineNo">457</span> // In the end, there must be open ends on two sides. If not, and there were no errors i.e.<a name="line.457"></a> +<span class="sourceLineNo">458</span> // files are consistent, they might be coming from a split. We will treat the boundaries<a name="line.458"></a> +<span class="sourceLineNo">459</span> // as open keys anyway, and log the message.<a name="line.459"></a> +<span class="sourceLineNo">460</span> // If there were errors, we'll play it safe and dump everything into L0.<a name="line.460"></a> +<span class="sourceLineNo">461</span> if (!candidateStripes.isEmpty()) {<a name="line.461"></a> +<span class="sourceLineNo">462</span> StoreFile firstFile = candidateStripes.firstEntry().getValue().get(0);<a name="line.462"></a> +<span class="sourceLineNo">463</span> boolean isOpen = isOpen(startOf(firstFile)) && isOpen(candidateStripes.lastKey());<a name="line.463"></a> +<span class="sourceLineNo">464</span> if (!isOpen) {<a name="line.464"></a> +<span class="sourceLineNo">465</span> LOG.warn("The range of the loaded files does not cover full key space: from ["<a name="line.465"></a> +<span class="sourceLineNo">466</span> + Bytes.toString(startOf(firstFile)) + "], to ["<a name="line.466"></a> +<span class="sourceLineNo">467</span> + Bytes.toString(candidateStripes.lastKey()) + "]");<a name="line.467"></a> +<span class="sourceLineNo">468</span> if (!hasOverlaps) {<a name="line.468"></a> +<span class="sourceLineNo">469</span> ensureEdgeStripeMetadata(candidateStripes.firstEntry().getValue(), true);<a name="line.469"></a> +<span class="sourceLineNo">470</span> ensureEdgeStripeMetadata(candidateStripes.lastEntry().getValue(), false);<a name="line.470"></a> +<span class="sourceLineNo">471</span> } else {<a name="line.471"></a> +<span class="sourceLineNo">472</span> LOG.warn("Inconsistent files, everything goes to L0.");<a name="line.472"></a> +<span class="sourceLineNo">473</span> for (ArrayList<StoreFile> files : candidateStripes.values()) {<a name="line.473"></a> +<span class="sourceLineNo">474</span> for (StoreFile sf : files) {<a name="line.474"></a> +<span class="sourceLineNo">475</span> insertFileIntoStripe(level0Files, sf);<a name="line.475"></a> +<span class="sourceLineNo">476</span> ensureLevel0Metadata(sf);<a name="line.476"></a> +<span class="sourceLineNo">477</span> }<a name="line.477"></a> +<span class="sourceLineNo">478</span> }<a name="line.478"></a> +<span class="sourceLineNo">479</span> candidateStripes.clear();<a name="line.479"></a> +<span class="sourceLineNo">480</span> }<a name="line.480"></a> +<span class="sourceLineNo">481</span> }<a name="line.481"></a> +<span class="sourceLineNo">482</span> }<a name="line.482"></a> +<span class="sourceLineNo">483</span><a name="line.483"></a> +<span class="sourceLineNo">484</span> // Copy the results into the fields.<a name="line.484"></a> +<span class="sourceLineNo">485</span> State state = new State();<a name="line.485"></a> +<span class="sourceLineNo">486</span> state.level0Files = ImmutableList.copyOf(level0Files);<a name="line.486"></a> +<span class="sourceLineNo">487</span> state.stripeFiles = new ArrayList<>(candidateStripes.size());<a name="line.487"></a> +<span class="sourceLineNo">488</span> state.stripeEndRows = new byte[Math.max(0, candidateStripes.size() - 1)][];<a name="line.488"></a> +<span class="sourceLineNo">489</span> ArrayList<StoreFile> newAllFiles = new ArrayList<>(level0Files);<a name="line.489"></a> +<span class="sourceLineNo">490</span> int i = candidateStripes.size() - 1;<a name="line.490"></a> +<span class="sourceLineNo">491</span> for (Map.Entry<byte[], ArrayList<StoreFile>> entry : candidateStripes.entrySet()) {<a name="line.491"></a> +<span class="sourceLineNo">492</span> state.stripeFiles.add(ImmutableList.copyOf(entry.getValue()));<a name="line.492"></a> +<span class="sourceLineNo">493</span> newAllFiles.addAll(entry.getValue());<a name="line.493"></a> +<span class="sourceLineNo">494</span> if (i > 0) {<a name="line.494"></a> +<span class="sourceLineNo">495</span> state.stripeEndRows[state.stripeFiles.size() - 1] = entry.getKey();<a name="line.495"></a> +<span class="sourceLineNo">496</span> }<a name="line.496"></a> +<span class="sourceLineNo">497</span> --i;<a name="line.497"></a> +<span class="sourceLineNo">498</span> }<a name="line.498"></a> +<span class="sourceLineNo">499</span> state.allFilesCached = ImmutableList.copyOf(newAllFiles);<a name="line.499"></a> +<span class="sourceLineNo">500</span> this.state = state;<a name="line.500"></a> +<span class="sourceLineNo">501</span> debugDumpState("Files loaded");<a name="line.501"></a> +<span class="sourceLineNo">502</span> }<a name="line.502"></a> +<span class="sourceLineNo">503</span><a name="line.503"></a> +<span class="sourceLineNo">504</span> private void ensureEdgeStripeMetadata(ArrayList<StoreFile> stripe, boolean isFirst) {<a name="line.504"></a> +<span class="sourceLineNo">505</span> HashMap<StoreFile, byte[]> targetMap = isFirst ? fileStarts : fileEnds;<a name="line.505"></a> +<span class="sourceLineNo">506</span> for (StoreFile sf : stripe) {<a name="line.506"></a> +<span class="sourceLineNo">507</span> targetMap.put(sf, OPEN_KEY);<a name="line.507"></a> +<span class="sourceLineNo">508</span> }<a name="line.508"></a> <span class="sourceLineNo">509</span> }<a name="line.509"></a> <span class="sourceLineNo">510</span><a name="line.510"></a> -<span class="sourceLineNo">511</span> private void debugDumpState(String string) {<a name="line.511"></a> -<span class="sourceLineNo">512</span> if (!LOG.isDebugEnabled()) return;<a name="line.512"></a> -<span class="sourceLineNo">513</span> StringBuilder sb = new StringBuilder();<a name="line.513"></a> -<span class="sourceLineNo">514</span> sb.append("\n" + string + "; current stripe state is as such:");<a name="line.514"></a> -<span class="sourceLineNo">515</span> sb.append("\n level 0 with ")<a name="line.515"></a> -<span class="sourceLineNo">516</span> .append(state.level0Files.size())<a name="line.516"></a> -<span class="sourceLineNo">517</span> .append(<a name="line.517"></a> -<span class="sourceLineNo">518</span> " files: "<a name="line.518"></a> -<span class="sourceLineNo">519</span> + TraditionalBinaryPrefix.long2String(<a name="line.519"></a> -<span class="sourceLineNo">520</span> StripeCompactionPolicy.getTotalFileSize(state.level0Files), "", 1) + ";");<a name="line.520"></a> -<span class="sourceLineNo">521</span> for (int i = 0; i < state.stripeFiles.size(); ++i) {<a name="line.521"></a> -<span class="sourceLineNo">522</span> String endRow = (i == state.stripeEndRows.length)<a name="line.522"></a> -<span class="sourceLineNo">523</span> ? "(end)" : "[" + Bytes.toString(state.stripeEndRows[i]) + "]";<a name="line.523"></a> -<span class="sourceLineNo">524</span> sb.append("\n stripe ending in ")<a name="line.524"></a> -<span class="sourceLineNo">525</span> .append(endRow)<a name="line.525"></a> -<span class="sourceLineNo">526</span> .append(" with ")<a name="line.526"></a> -<span class="sourceLineNo">527</span> .append(state.stripeFiles.get(i).size())<a name="line.527"></a> -<span class="sourceLineNo">528</span> .append(<a name="line.528"></a> -<span class="sourceLineNo">529</span> " files: "<a name="line.529"></a> -<span class="sourceLineNo">530</span> + TraditionalBinaryPrefix.long2String(<a name="line.530"></a> -<span class="sourceLineNo">531</span> StripeCompactionPolicy.getTotalFileSize(state.stripeFiles.get(i)), "", 1) + ";");<a name="line.531"></a> -<span class="sourceLineNo">532</span> }<a name="line.532"></a> -<span class="sourceLineNo">533</span> sb.append("\n").append(state.stripeFiles.size()).append(" stripes total.");<a name="line.533"></a> -<span class="sourceLineNo">534</span> sb.append("\n").append(getStorefileCount()).append(" files total.");<a name="line.534"></a> -<span class="sourceLineNo">535</span> LOG.debug(sb.toString());<a name="line.535"></a> -<span class="sourceLineNo">536</span> }<a name="line.536"></a> -<span class="sourceLineNo">537</span><a name="line.537"></a> -<span class="sourceLineNo">538</span> /**<a name="line.538"></a> -<span class="sourceLineNo">539</span> * Checks whether the key indicates an open interval boundary (i.e. infinity).<a name="line.539"></a> -<span class="sourceLineNo">540</span> */<a name="line.540"></a> -<span class="sourceLineNo">541</span> private static final boolean isOpen(byte[] key) {<a name="line.541"></a> -<span class="sourceLineNo">542</span> return key != null && key.length == 0;<a name="line.542"></a> -<span class="sourceLineNo">543</span> }<a name="line.543"></a> -<span class="sourceLineNo">544</span><a name="line.544"></a> -<span class="sourceLineNo">545</span> private static final boolean isOpen(Cell key) {<a name="line.545"></a> -<span class="sourceLineNo">546</span> return key != null && key.getRowLength() == 0;<a name="line.546"></a> -<span class="sourceLineNo">547</span> }<a name="line.547"></a> -<span class="sourceLineNo">548</span><a name="line.548"></a> -<span class="sourceLineNo">549</span> /**<a name="line.549"></a> -<span class="sourceLineNo">550</span> * Checks whether the key is invalid (e.g. from an L0 file, or non-stripe-compacted files).<a name="line.550"></a> -<span class="sourceLineNo">551</span> */<a name="line.551"></a> -<span class="sourceLineNo">552</span> private static final boolean isInvalid(byte[] key) {<a name="line.552"></a> -<span class="sourceLineNo">553</span> // No need to use Arrays.equals because INVALID_KEY is null<a name="line.553"></a> -<span class="sourceLineNo">554</span> return key == INVALID_KEY;<a name="line.554"></a> -<span class="sourceLineNo">555</span> }<a name="line.555"></a> -<span class="sourceLineNo">556</span><a name="line.556"></a> -<span class="sourceLineNo">557</span> /**<a name="line.557"></a> -<span class="sourceLineNo">558</span> * Compare two keys for equality.<a name="line.558"></a> -<span class="sourceLineNo">559</span> */<a name="line.559"></a> -<span class="sourceLineNo">560</span> private final boolean rowEquals(byte[] k1, byte[] k2) {<a name="line.560"></a> -<span class="sourceLineNo">561</span> return Bytes.equals(k1, 0, k1.length, k2, 0, k2.length);<a name="line.561"></a> -<span class="sourceLineNo">562</span> }<a name="line.562"></a> -<span class="sourceLineNo">563</span><a name="line.563"></a> -<span class="sourceLineNo">564</span> /**<a name="line.564"></a> -<span class="sourceLineNo">565</span> * Compare two keys. Keys must not be open (isOpen(row) == false).<a name="line.565"></a> -<span class="sourceLineNo">566</span> */<a name="line.566"></a> -<span class="sourceLineNo">567</span> private final int nonOpenRowCompare(byte[] k1, byte[] k2) {<a name="line.567"></a> -<span class="sourceLineNo">568</span> assert !isOpen(k1) && !isOpen(k2);<a name="line.568"></a> -<span class="sourceLineNo">569</span> return Bytes.compareTo(k1, k2);<a name="line.569"></a> -<span class="sourceLineNo">570</span> }<a name="line.570"></a> -<span class="sourceLineNo">571</span><a name="line.571"></a> -<span class="sourceLineNo">572</span> private final int nonOpenRowCompare(Cell k1, byte[] k2) {<a name="line.572"></a> +<span class="sourceLineNo">511</span> private void ensureLevel0Metadata(StoreFile sf) {<a name="line.511"></a> +<span class="sourceLineNo">512</span> if (!isInvalid(startOf(sf))) this.fileStarts.put(sf, INVALID_KEY_IN_MAP);<a name="line.512"></a> +<span class="sourceLineNo">513</span> if (!isInvalid(endOf(sf))) this.fileEnds.put(sf, INVALID_KEY_IN_MAP);<a name="line.513"></a> +<span class="sourceLineNo">514</span> }<a name="line.514"></a> +<span class="sourceLineNo">515</span><a name="line.515"></a> +<span class="sourceLineNo">516</span> private void debugDumpState(String string) {<a name="line.516"></a> +<span class="sourceLineNo">517</span> if (!LOG.isDebugEnabled()) return;<a name="line.517"></a> +<span class="sourceLineNo">518</span> StringBuilder sb = new StringBuilder();<a name="line.518"></a> +<span class="sourceLineNo">519</span> sb.append("\n" + string + "; current stripe state is as such:");<a name="line.519"></a> +<span class="sourceLineNo">520</span> sb.append("\n level 0 with ")<a name="line.520"></a> +<span class="sourceLineNo">521</span> .append(state.level0Files.size())<a name="line.521"></a> +<span class="sourceLineNo">522</span> .append(<a name="line.522"></a> +<span class="sourceLineNo">523</span> " files: "<a name="line.523"></a> +<span class="sourceLineNo">524</span> + TraditionalBinaryPrefix.long2String(<a name="line.524"></a> +<span class="sourceLineNo">525</span> StripeCompactionPolicy.getTotalFileSize(state.level0Files), "", 1) + ";");<a name="line.525"></a> +<span class="sourceLineNo">526</span> for (int i = 0; i < state.stripeFiles.size(); ++i) {<a name="line.526"></a> +<span class="sourceLineNo">527</span> String endRow = (i == state.stripeEndRows.length)<a name="line.527"></a> +<span class="sourceLineNo">528</span> ? "(end)" : "[" + Bytes.toString(state.stripeEndRows[i]) + "]";<a name="line.528"></a> +<span class="sourceLineNo">529</span> sb.append("\n stripe ending in ")<a name="line.529"></a> +<span class="sourceLineNo">530</span> .append(endRow)<a name="line.530"></a> +<span class="sourceLineNo">531</span> .append(" with ")<a name="line.531"></a> +<span class="sourceLineNo">532</span> .append(state.stripeFiles.get(i).size())<a name="line.532"></a> +<span class="sourceLineNo">533</span> .append(<a name="line.533"></a> +<span class="sourceLineNo">534</span> " files: "<a name="line.534"></a> +<span class="sourceLineNo">535</span> + TraditionalBinaryPrefix.long2String(<a name="line.535"></a> +<span class="sourceLineNo">536</span> StripeCompactionPolicy.getTotalFileSize(state.stripeFiles.get(i)), "", 1) + ";");<a name="line.536"></a> +<span class="sourceLineNo">537</span> }<a name="line.537"></a> +<span class="sourceLineNo">538</span> sb.append("\n").append(state.stripeFiles.size()).append(" stripes total.");<a name="line.538"></a> +<span class="sourceLineNo">539</span> sb.append("\n").append(getStorefileCount()).append(" files total.");<a name="line.539"></a> +<span class="sourceLineNo">540</span> LOG.debug(sb.toString());<a name="line.540"></a> +<span class="sourceLineNo">541</span> }<a name="line.541"></a> +<span class="sourceLineNo">542</span><a name="line.542"></a> +<span class="sourceLineNo">543</span> /**<a name="line.543"></a> +<span class="sourceLineNo">544</span> * Checks whether the key indicates an open interval boundary (i.e. infinity).<a name="line.544"></a> +<span class="sourceLineNo">545</span> */<a name="line.545"></a> +<span class="sourceLineNo">546</span> private static final boolean isOpen(byte[] key) {<a name="line.546"></a> +<span class="sourceLineNo">547</span> return key != null && key.length == 0;<a name="line.547"></a> +<span class="sourceLineNo">548</span> }<a name="line.548"></a> +<span class="sourceLineNo">549</span><a name="line.549"></a> +<span class="sourceLineNo">550</span> private static final boolean isOpen(Cell key) {<a name="line.550"></a> +<span class="sourceLineNo">551</span> return key != null && key.getRowLength() == 0;<a name="line.551"></a> +<span class="sourceLineNo">552</span> }<a name="line.552"></a> +<span class="sourceLineNo">553</span><a name="line.553"></a> +<span class="sourceLineNo">554</span> /**<a name="line.554"></a> +<span class="sourceLineNo">555</span> * Checks whether the key is invalid (e.g. from an L0 file, or non-stripe-compacted files).<a name="line.555"></a> +<span class="sourceLineNo">556</span> */<a name="line.556"></a> +<span class="sourceLineNo">557</span> private static final boolean isInvalid(byte[] key) {<a name="line.557"></a> +<span class="sourceLineNo">558</span> // No need to use Arrays.equals because INVALID_KEY is null<a name="line.558"></a> +<span class="sourceLineNo">559</span> return key == INVALID_KEY;<a name="line.559"></a> +<span class="sourceLineNo">560</span> }<a name="line.560"></a> +<span class="sourceLineNo">561</span><a name="line.561"></a> +<span class="sourceLineNo">562</span> /**<a name="line.562"></a> +<span class="sourceLineNo">563</span> * Compare two keys for equality.<a name="line.563"></a> +<span class="sourceLineNo">564</span> */<a name="line.564"></a> +<span class="sourceLineNo">565</span> private final boolean rowEquals(byte[] k1, byte[] k2) {<a name="line.565"></a> +<span class="sourceLineNo">566</span> return Bytes.equals(k1, 0, k1.length, k2, 0, k2.length);<a name="line.566"></a> +<span class="sourceLineNo">567</span> }<a name="line.567"></a> +<span class="sourceLineNo">568</span><a name="line.568"></a> +<span class="sourceLineNo">569</span> /**<a name="line.569"></a> +<span class="sourceLineNo">570</span> * Compare two keys. Keys must not be open (isOpen(row) == false).<a name="line.570"></a> +<span class="sourceLineNo">571</span> */<a name="line.571"></a> +<span class="sourceLineNo">572</span> private final int nonOpenRowCompare(byte[] k1, byte[] k2) {<a name="line.572"></a> <span class="sourceLineNo">573</span> assert !isOpen(k1) && !isOpen(k2);<a name="line.573"></a> -<span class="sourceLineNo">574</span> return cellComparator.compareRows(k1, k2, 0, k2.length);<a name="line.574"></a> +<span class="sourceLineNo">574</span> return Bytes.compareTo(k1, k2);<a name="line.574"></a> <span class="sourceLineNo">575</span> }<a name="line.575"></a> <span class="sourceLineNo">576</span><a name="line.576"></a> -<span class="sou
<TRUNCATED>
