http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1d9053bc/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HMobStore.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HMobStore.html
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HMobStore.html
index 45854b6..ae5e4b0 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HMobStore.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HMobStore.html
@@ -152,8 +152,8 @@
<span class="sourceLineNo">144</span> * the mob files should be performed
after the seek in HBase is done.<a name="line.144"></a>
<span class="sourceLineNo">145</span> */<a name="line.145"></a>
<span class="sourceLineNo">146</span> @Override<a name="line.146"></a>
-<span class="sourceLineNo">147</span> protected KeyValueScanner
createScanner(Scan scan, final NavigableSet<byte[]> targetCols,<a
name="line.147"></a>
-<span class="sourceLineNo">148</span> long readPt) throws IOException {<a
name="line.148"></a>
+<span class="sourceLineNo">147</span> protected KeyValueScanner
createScanner(Scan scan, ScanInfo scanInfo,<a name="line.147"></a>
+<span class="sourceLineNo">148</span> NavigableSet<byte[]>
targetCols, long readPt) throws IOException {<a name="line.148"></a>
<span class="sourceLineNo">149</span> if (MobUtils.isRefOnlyScan(scan)) {<a
name="line.149"></a>
<span class="sourceLineNo">150</span> Filter refOnlyFilter = new
MobReferenceOnlyFilter();<a name="line.150"></a>
<span class="sourceLineNo">151</span> Filter filter = scan.getFilter();<a
name="line.151"></a>
@@ -163,378 +163,377 @@
<span class="sourceLineNo">155</span> scan.setFilter(refOnlyFilter);<a
name="line.155"></a>
<span class="sourceLineNo">156</span> }<a name="line.156"></a>
<span class="sourceLineNo">157</span> }<a name="line.157"></a>
-<span class="sourceLineNo">158</span> return scan.isReversed()<a
name="line.158"></a>
-<span class="sourceLineNo">159</span> ? new
ReversedMobStoreScanner(this, getScanInfo(), scan, targetCols, readPt)<a
name="line.159"></a>
-<span class="sourceLineNo">160</span> : new MobStoreScanner(this,
getScanInfo(), scan, targetCols, readPt);<a name="line.160"></a>
-<span class="sourceLineNo">161</span> }<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> /**<a name="line.163"></a>
-<span class="sourceLineNo">164</span> * Creates the mob store engine.<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> protected StoreEngine<?, ?, ?, ?>
createStoreEngine(HStore store, Configuration conf,<a name="line.167"></a>
-<span class="sourceLineNo">168</span> CellComparator cellComparator)
throws IOException {<a name="line.168"></a>
-<span class="sourceLineNo">169</span> MobStoreEngine engine = new
MobStoreEngine();<a name="line.169"></a>
-<span class="sourceLineNo">170</span> engine.createComponents(conf, store,
cellComparator);<a name="line.170"></a>
-<span class="sourceLineNo">171</span> return engine;<a name="line.171"></a>
-<span class="sourceLineNo">172</span> }<a name="line.172"></a>
-<span class="sourceLineNo">173</span><a name="line.173"></a>
-<span class="sourceLineNo">174</span> /**<a name="line.174"></a>
-<span class="sourceLineNo">175</span> * Gets the temp directory.<a
name="line.175"></a>
-<span class="sourceLineNo">176</span> * @return The temp directory.<a
name="line.176"></a>
-<span class="sourceLineNo">177</span> */<a name="line.177"></a>
-<span class="sourceLineNo">178</span> private Path getTempDir() {<a
name="line.178"></a>
-<span class="sourceLineNo">179</span> return new Path(homePath,
MobConstants.TEMP_DIR_NAME);<a name="line.179"></a>
-<span class="sourceLineNo">180</span> }<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> * Creates the writer for the mob file
in temp directory.<a name="line.183"></a>
-<span class="sourceLineNo">184</span> * @param date The latest date of
written cells.<a name="line.184"></a>
-<span class="sourceLineNo">185</span> * @param maxKeyCount The key count.<a
name="line.185"></a>
-<span class="sourceLineNo">186</span> * @param compression The compression
algorithm.<a name="line.186"></a>
-<span class="sourceLineNo">187</span> * @param startKey The start key.<a
name="line.187"></a>
-<span class="sourceLineNo">188</span> * @param isCompaction If the writer is
used in compaction.<a name="line.188"></a>
-<span class="sourceLineNo">189</span> * @return The writer for the mob
file.<a name="line.189"></a>
-<span class="sourceLineNo">190</span> * @throws IOException<a
name="line.190"></a>
-<span class="sourceLineNo">191</span> */<a name="line.191"></a>
-<span class="sourceLineNo">192</span> public StoreFileWriter
createWriterInTmp(Date date, long maxKeyCount,<a name="line.192"></a>
-<span class="sourceLineNo">193</span> Compression.Algorithm compression,
byte[] startKey,<a name="line.193"></a>
-<span class="sourceLineNo">194</span> boolean isCompaction) throws
IOException {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> if (startKey == null) {<a
name="line.195"></a>
-<span class="sourceLineNo">196</span> startKey =
HConstants.EMPTY_START_ROW;<a name="line.196"></a>
-<span class="sourceLineNo">197</span> }<a name="line.197"></a>
-<span class="sourceLineNo">198</span> Path path = getTempDir();<a
name="line.198"></a>
-<span class="sourceLineNo">199</span> return
createWriterInTmp(MobUtils.formatDate(date), path, maxKeyCount, compression,
startKey,<a name="line.199"></a>
-<span class="sourceLineNo">200</span> isCompaction);<a
name="line.200"></a>
-<span class="sourceLineNo">201</span> }<a name="line.201"></a>
-<span class="sourceLineNo">202</span><a name="line.202"></a>
-<span class="sourceLineNo">203</span> /**<a name="line.203"></a>
-<span class="sourceLineNo">204</span> * Creates the writer for the del file
in temp directory.<a name="line.204"></a>
-<span class="sourceLineNo">205</span> * The del file keeps tracking the
delete markers. Its name has a suffix _del,<a name="line.205"></a>
-<span class="sourceLineNo">206</span> * the format is [0-9a-f]+(_del)?.<a
name="line.206"></a>
-<span class="sourceLineNo">207</span> * @param date The latest date of
written cells.<a name="line.207"></a>
-<span class="sourceLineNo">208</span> * @param maxKeyCount The key count.<a
name="line.208"></a>
-<span class="sourceLineNo">209</span> * @param compression The compression
algorithm.<a name="line.209"></a>
-<span class="sourceLineNo">210</span> * @param startKey The start key.<a
name="line.210"></a>
-<span class="sourceLineNo">211</span> * @return The writer for the del
file.<a name="line.211"></a>
-<span class="sourceLineNo">212</span> * @throws IOException<a
name="line.212"></a>
-<span class="sourceLineNo">213</span> */<a name="line.213"></a>
-<span class="sourceLineNo">214</span> public StoreFileWriter
createDelFileWriterInTmp(Date date, long maxKeyCount,<a name="line.214"></a>
-<span class="sourceLineNo">215</span> Compression.Algorithm compression,
byte[] startKey) throws IOException {<a name="line.215"></a>
-<span class="sourceLineNo">216</span> if (startKey == null) {<a
name="line.216"></a>
-<span class="sourceLineNo">217</span> startKey =
HConstants.EMPTY_START_ROW;<a name="line.217"></a>
-<span class="sourceLineNo">218</span> }<a name="line.218"></a>
-<span class="sourceLineNo">219</span> Path path = getTempDir();<a
name="line.219"></a>
-<span class="sourceLineNo">220</span> String suffix = UUID<a
name="line.220"></a>
-<span class="sourceLineNo">221</span>
.randomUUID().toString().replaceAll("-", "") + "_del";<a name="line.221"></a>
-<span class="sourceLineNo">222</span> MobFileName mobFileName =
MobFileName.create(startKey, MobUtils.formatDate(date), suffix);<a
name="line.222"></a>
-<span class="sourceLineNo">223</span> return createWriterInTmp(mobFileName,
path, maxKeyCount, compression, true);<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> /**<a name="line.226"></a>
-<span class="sourceLineNo">227</span> * Creates the writer for the mob file
in temp directory.<a name="line.227"></a>
-<span class="sourceLineNo">228</span> * @param date The date string, its
format is yyyymmmdd.<a name="line.228"></a>
-<span class="sourceLineNo">229</span> * @param basePath The basic path for a
temp directory.<a name="line.229"></a>
-<span class="sourceLineNo">230</span> * @param maxKeyCount The key count.<a
name="line.230"></a>
-<span class="sourceLineNo">231</span> * @param compression The compression
algorithm.<a name="line.231"></a>
-<span class="sourceLineNo">232</span> * @param startKey The start key.<a
name="line.232"></a>
-<span class="sourceLineNo">233</span> * @param isCompaction If the writer is
used in compaction.<a name="line.233"></a>
-<span class="sourceLineNo">234</span> * @return The writer for the mob
file.<a name="line.234"></a>
-<span class="sourceLineNo">235</span> * @throws IOException<a
name="line.235"></a>
-<span class="sourceLineNo">236</span> */<a name="line.236"></a>
-<span class="sourceLineNo">237</span> public StoreFileWriter
createWriterInTmp(String date, Path basePath, long maxKeyCount,<a
name="line.237"></a>
-<span class="sourceLineNo">238</span> Compression.Algorithm compression,
byte[] startKey,<a name="line.238"></a>
-<span class="sourceLineNo">239</span> boolean isCompaction) throws
IOException {<a name="line.239"></a>
-<span class="sourceLineNo">240</span> MobFileName mobFileName =
MobFileName.create(startKey, date, UUID.randomUUID()<a name="line.240"></a>
-<span class="sourceLineNo">241</span> .toString().replaceAll("-",
""));<a name="line.241"></a>
-<span class="sourceLineNo">242</span> return createWriterInTmp(mobFileName,
basePath, maxKeyCount, compression, isCompaction);<a name="line.242"></a>
-<span class="sourceLineNo">243</span> }<a name="line.243"></a>
-<span class="sourceLineNo">244</span><a name="line.244"></a>
-<span class="sourceLineNo">245</span> /**<a name="line.245"></a>
-<span class="sourceLineNo">246</span> * Creates the writer for the mob file
in temp directory.<a name="line.246"></a>
-<span class="sourceLineNo">247</span> * @param mobFileName The mob file
name.<a name="line.247"></a>
-<span class="sourceLineNo">248</span> * @param basePath The basic path for a
temp directory.<a name="line.248"></a>
-<span class="sourceLineNo">249</span> * @param maxKeyCount The key count.<a
name="line.249"></a>
-<span class="sourceLineNo">250</span> * @param compression The compression
algorithm.<a name="line.250"></a>
-<span class="sourceLineNo">251</span> * @param isCompaction If the writer is
used in compaction.<a name="line.251"></a>
-<span class="sourceLineNo">252</span> * @return The writer for the mob
file.<a name="line.252"></a>
-<span class="sourceLineNo">253</span> * @throws IOException<a
name="line.253"></a>
-<span class="sourceLineNo">254</span> */<a name="line.254"></a>
-<span class="sourceLineNo">255</span> public StoreFileWriter
createWriterInTmp(MobFileName mobFileName, Path basePath,<a name="line.255"></a>
-<span class="sourceLineNo">256</span> long maxKeyCount,
Compression.Algorithm compression,<a name="line.256"></a>
-<span class="sourceLineNo">257</span> boolean isCompaction) throws
IOException {<a name="line.257"></a>
-<span class="sourceLineNo">258</span> return MobUtils.createWriter(conf,
region.getFilesystem(), family,<a name="line.258"></a>
-<span class="sourceLineNo">259</span> new Path(basePath,
mobFileName.getFileName()), maxKeyCount, compression, mobCacheConfig,<a
name="line.259"></a>
-<span class="sourceLineNo">260</span> cryptoContext, checksumType,
bytesPerChecksum, blocksize, BloomType.NONE, isCompaction);<a
name="line.260"></a>
-<span class="sourceLineNo">261</span> }<a name="line.261"></a>
-<span class="sourceLineNo">262</span><a name="line.262"></a>
-<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
-<span class="sourceLineNo">264</span> * Commits the mob file.<a
name="line.264"></a>
-<span class="sourceLineNo">265</span> * @param sourceFile The source file.<a
name="line.265"></a>
-<span class="sourceLineNo">266</span> * @param targetPath The directory path
where the source file is renamed to.<a name="line.266"></a>
-<span class="sourceLineNo">267</span> * @throws IOException<a
name="line.267"></a>
-<span class="sourceLineNo">268</span> */<a name="line.268"></a>
-<span class="sourceLineNo">269</span> public void commitFile(final Path
sourceFile, Path targetPath) throws IOException {<a name="line.269"></a>
-<span class="sourceLineNo">270</span> if (sourceFile == null) {<a
name="line.270"></a>
-<span class="sourceLineNo">271</span> return;<a name="line.271"></a>
-<span class="sourceLineNo">272</span> }<a name="line.272"></a>
-<span class="sourceLineNo">273</span> Path dstPath = new Path(targetPath,
sourceFile.getName());<a name="line.273"></a>
-<span class="sourceLineNo">274</span> validateMobFile(sourceFile);<a
name="line.274"></a>
-<span class="sourceLineNo">275</span> String msg = "Renaming flushed file
from " + sourceFile + " to " + dstPath;<a name="line.275"></a>
-<span class="sourceLineNo">276</span> LOG.info(msg);<a name="line.276"></a>
-<span class="sourceLineNo">277</span> Path parent = dstPath.getParent();<a
name="line.277"></a>
-<span class="sourceLineNo">278</span> if
(!region.getFilesystem().exists(parent)) {<a name="line.278"></a>
-<span class="sourceLineNo">279</span>
region.getFilesystem().mkdirs(parent);<a name="line.279"></a>
-<span class="sourceLineNo">280</span> }<a name="line.280"></a>
-<span class="sourceLineNo">281</span> if
(!region.getFilesystem().rename(sourceFile, dstPath)) {<a name="line.281"></a>
-<span class="sourceLineNo">282</span> throw new IOException("Failed
rename of " + sourceFile + " to " + dstPath);<a name="line.282"></a>
-<span class="sourceLineNo">283</span> }<a name="line.283"></a>
-<span class="sourceLineNo">284</span> }<a name="line.284"></a>
-<span class="sourceLineNo">285</span><a name="line.285"></a>
-<span class="sourceLineNo">286</span> /**<a name="line.286"></a>
-<span class="sourceLineNo">287</span> * Validates a mob file by opening and
closing it.<a name="line.287"></a>
-<span class="sourceLineNo">288</span> *<a name="line.288"></a>
-<span class="sourceLineNo">289</span> * @param path the path to the mob
file<a name="line.289"></a>
-<span class="sourceLineNo">290</span> */<a name="line.290"></a>
-<span class="sourceLineNo">291</span> private void validateMobFile(Path path)
throws IOException {<a name="line.291"></a>
-<span class="sourceLineNo">292</span> HStoreFile storeFile = null;<a
name="line.292"></a>
-<span class="sourceLineNo">293</span> try {<a name="line.293"></a>
-<span class="sourceLineNo">294</span> storeFile = new
HStoreFile(region.getFilesystem(), path, conf, this.mobCacheConfig,<a
name="line.294"></a>
-<span class="sourceLineNo">295</span> BloomType.NONE,
isPrimaryReplicaStore());<a name="line.295"></a>
-<span class="sourceLineNo">296</span> storeFile.initReader();<a
name="line.296"></a>
-<span class="sourceLineNo">297</span> } catch (IOException e) {<a
name="line.297"></a>
-<span class="sourceLineNo">298</span> LOG.error("Fail to open mob file["
+ path + "], keep it in temp directory.", e);<a name="line.298"></a>
-<span class="sourceLineNo">299</span> throw e;<a name="line.299"></a>
-<span class="sourceLineNo">300</span> } finally {<a name="line.300"></a>
-<span class="sourceLineNo">301</span> if (storeFile != null) {<a
name="line.301"></a>
-<span class="sourceLineNo">302</span>
storeFile.closeStoreFile(false);<a name="line.302"></a>
-<span class="sourceLineNo">303</span> }<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><a name="line.306"></a>
-<span class="sourceLineNo">307</span> /**<a name="line.307"></a>
-<span class="sourceLineNo">308</span> * Reads the cell from the mob file,
and the read point does not count.<a name="line.308"></a>
-<span class="sourceLineNo">309</span> * This is used for
DefaultMobStoreCompactor where we can read empty value for the missing cell.<a
name="line.309"></a>
-<span class="sourceLineNo">310</span> * @param reference The cell found in
the HBase, its value is a path to a mob file.<a name="line.310"></a>
-<span class="sourceLineNo">311</span> * @param cacheBlocks Whether the
scanner should cache blocks.<a name="line.311"></a>
-<span class="sourceLineNo">312</span> * @return The cell found in the mob
file.<a name="line.312"></a>
-<span class="sourceLineNo">313</span> * @throws IOException<a
name="line.313"></a>
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boolean cacheBlocks) throws IOException {<a name="line.315"></a>
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cacheBlocks, -1, true);<a name="line.316"></a>
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-<span class="sourceLineNo">318</span><a name="line.318"></a>
-<span class="sourceLineNo">319</span> /**<a name="line.319"></a>
-<span class="sourceLineNo">320</span> * Reads the cell from the mob file.<a
name="line.320"></a>
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the HBase, its value is a path to a mob file.<a name="line.321"></a>
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scanner should cache blocks.<a name="line.322"></a>
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name="line.323"></a>
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Whether return null value when the mob file is<a name="line.324"></a>
-<span class="sourceLineNo">325</span> * missing or corrupt.<a
name="line.325"></a>
-<span class="sourceLineNo">326</span> * @return The cell found in the mob
file.<a name="line.326"></a>
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name="line.327"></a>
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boolean cacheBlocks, long readPt,<a name="line.329"></a>
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throws IOException {<a name="line.330"></a>
-<span class="sourceLineNo">331</span> Cell result = null;<a
name="line.331"></a>
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(MobUtils.hasValidMobRefCellValue(reference)) {<a name="line.332"></a>
-<span class="sourceLineNo">333</span> String fileName =
MobUtils.getMobFileName(reference);<a name="line.333"></a>
-<span class="sourceLineNo">334</span> Tag tableNameTag =
MobUtils.getTableNameTag(reference);<a name="line.334"></a>
-<span class="sourceLineNo">335</span> if (tableNameTag != null) {<a
name="line.335"></a>
-<span class="sourceLineNo">336</span> String tableNameString =
TagUtil.getValueAsString(tableNameTag);<a name="line.336"></a>
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map.get(tableNameString);<a name="line.337"></a>
-<span class="sourceLineNo">338</span> if (locations == null) {<a
name="line.338"></a>
-<span class="sourceLineNo">339</span> IdLock.Entry lockEntry =
keyLock.getLockEntry(tableNameString.hashCode());<a name="line.339"></a>
-<span class="sourceLineNo">340</span> try {<a name="line.340"></a>
-<span class="sourceLineNo">341</span> locations =
map.get(tableNameString);<a name="line.341"></a>
-<span class="sourceLineNo">342</span> if (locations == null) {<a
name="line.342"></a>
-<span class="sourceLineNo">343</span> locations = new
ArrayList<>(2);<a name="line.343"></a>
-<span class="sourceLineNo">344</span> TableName tn =
TableName.valueOf(tableNameString);<a name="line.344"></a>
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locations.add(MobUtils.getMobFamilyPath(conf, tn, family.getNameAsString()));<a
name="line.345"></a>
-<span class="sourceLineNo">346</span>
locations.add(HFileArchiveUtil.getStoreArchivePath(conf, tn, MobUtils<a
name="line.346"></a>
-<span class="sourceLineNo">347</span>
.getMobRegionInfo(tn).getEncodedName(), family.getNameAsString()));<a
name="line.347"></a>
-<span class="sourceLineNo">348</span> map.put(tableNameString,
locations);<a name="line.348"></a>
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name="line.350"></a>
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keyLock.releaseLockEntry(lockEntry);<a name="line.351"></a>
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fileName, reference, cacheBlocks, readPt,<a name="line.354"></a>
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name="line.355"></a>
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-<span class="sourceLineNo">358</span> if (result == null) {<a
name="line.358"></a>
-<span class="sourceLineNo">359</span> LOG.warn("The Cell result is null,
assemble a new Cell with the same row,family,"<a name="line.359"></a>
-<span class="sourceLineNo">360</span> + "qualifier,timestamp,type and
tags but with an empty value to return.");<a name="line.360"></a>
-<span class="sourceLineNo">361</span> result =
ExtendedCellBuilderFactory.create(CellBuilderType.DEEP_COPY)<a
name="line.361"></a>
-<span class="sourceLineNo">362</span>
.setRow(reference.getRowArray(), reference.getRowOffset(),
reference.getRowLength())<a name="line.362"></a>
-<span class="sourceLineNo">363</span>
.setFamily(reference.getFamilyArray(), reference.getFamilyOffset(),
reference.getFamilyLength())<a name="line.363"></a>
-<span class="sourceLineNo">364</span>
.setQualifier(reference.getQualifierArray(), reference.getQualifierOffset(),
reference.getQualifierLength())<a name="line.364"></a>
-<span class="sourceLineNo">365</span>
.setTimestamp(reference.getTimestamp())<a name="line.365"></a>
-<span class="sourceLineNo">366</span>
.setType(reference.getTypeByte())<a name="line.366"></a>
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.setValue(HConstants.EMPTY_BYTE_ARRAY)<a name="line.367"></a>
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name="line.400"></a>
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cell, the mob file " + path + " doesn't exist", e);<a name="line.406"></a>
-<span class="sourceLineNo">407</span> } else if (e instanceof
CorruptHFileException) {<a name="line.407"></a>
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path + " is corrupt", e);<a name="line.408"></a>
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// HDFS 1.x - DFSInputStream.getBlockAt()<a name="line.413"></a>
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mobCacheConfig.getMobFileCache().evictFile(fileName);<a name="line.414"></a>
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cell", e);<a name="line.415"></a>
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name="line.416"></a>
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mobCacheConfig.getMobFileCache().evictFile(fileName);<a name="line.418"></a>
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+ " could not be found in the locations " + locations<a name="line.427"></a>
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name="line.428"></a>
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FileNotFoundException)<a name="line.431"></a>
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files cannot be found, because the store files<a name="line.434"></a>
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references to MOB files and a re-open on a region<a name="line.435"></a>
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files.<a name="line.436"></a>
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count;<a name="line.462"></a>
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name="line.470"></a>
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name="line.478"></a>
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name="line.487"></a>
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name="line.495"></a>
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name="line.503"></a>
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{<a name="line.506"></a>
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updateMobScanCellsCount(long count) {<a name="line.510"></a>
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name="line.511"></a>
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name="line.515"></a>
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name="line.519"></a>
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name="line.523"></a>
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name="line.527"></a>
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-<span class="sourceLineNo">529</span>}<a name="line.529"></a>
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ReversedMobStoreScanner(this, scanInfo, scan, targetCols, readPt)<a
name="line.158"></a>
+<span class="sourceLineNo">159</span> : new MobStoreScanner(this,
scanInfo, scan, targetCols, readPt);<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> /**<a name="line.162"></a>
+<span class="sourceLineNo">163</span> * Creates the mob store engine.<a
name="line.163"></a>
+<span class="sourceLineNo">164</span> */<a name="line.164"></a>
+<span class="sourceLineNo">165</span> @Override<a name="line.165"></a>
+<span class="sourceLineNo">166</span> protected StoreEngine<?, ?, ?, ?>
createStoreEngine(HStore store, Configuration conf,<a name="line.166"></a>
+<span class="sourceLineNo">167</span> CellComparator cellComparator)
throws IOException {<a name="line.167"></a>
+<span class="sourceLineNo">168</span> MobStoreEngine engine = new
MobStoreEngine();<a name="line.168"></a>
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cellComparator);<a name="line.169"></a>
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+<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> /**<a name="line.173"></a>
+<span class="sourceLineNo">174</span> * Gets the temp directory.<a
name="line.174"></a>
+<span class="sourceLineNo">175</span> * @return The temp directory.<a
name="line.175"></a>
+<span class="sourceLineNo">176</span> */<a name="line.176"></a>
+<span class="sourceLineNo">177</span> private Path getTempDir() {<a
name="line.177"></a>
+<span class="sourceLineNo">178</span> return new Path(homePath,
MobConstants.TEMP_DIR_NAME);<a name="line.178"></a>
+<span class="sourceLineNo">179</span> }<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> /**<a name="line.181"></a>
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in temp directory.<a name="line.182"></a>
+<span class="sourceLineNo">183</span> * @param date The latest date of
written cells.<a name="line.183"></a>
+<span class="sourceLineNo">184</span> * @param maxKeyCount The key count.<a
name="line.184"></a>
+<span class="sourceLineNo">185</span> * @param compression The compression
algorithm.<a name="line.185"></a>
+<span class="sourceLineNo">186</span> * @param startKey The start key.<a
name="line.186"></a>
+<span class="sourceLineNo">187</span> * @param isCompaction If the writer is
used in compaction.<a name="line.187"></a>
+<span class="sourceLineNo">188</span> * @return The writer for the mob
file.<a name="line.188"></a>
+<span class="sourceLineNo">189</span> * @throws IOException<a
name="line.189"></a>
+<span class="sourceLineNo">190</span> */<a name="line.190"></a>
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createWriterInTmp(Date date, long maxKeyCount,<a name="line.191"></a>
+<span class="sourceLineNo">192</span> Compression.Algorithm compression,
byte[] startKey,<a name="line.192"></a>
+<span class="sourceLineNo">193</span> boolean isCompaction) throws
IOException {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> if (startKey == null) {<a
name="line.194"></a>
+<span class="sourceLineNo">195</span> startKey =
HConstants.EMPTY_START_ROW;<a name="line.195"></a>
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+<span class="sourceLineNo">197</span> Path path = getTempDir();<a
name="line.197"></a>
+<span class="sourceLineNo">198</span> return
createWriterInTmp(MobUtils.formatDate(date), path, maxKeyCount, compression,
startKey,<a name="line.198"></a>
+<span class="sourceLineNo">199</span> isCompaction);<a
name="line.199"></a>
+<span class="sourceLineNo">200</span> }<a name="line.200"></a>
+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span> /**<a name="line.202"></a>
+<span class="sourceLineNo">203</span> * Creates the writer for the del file
in temp directory.<a name="line.203"></a>
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delete markers. Its name has a suffix _del,<a name="line.204"></a>
+<span class="sourceLineNo">205</span> * the format is [0-9a-f]+(_del)?.<a
name="line.205"></a>
+<span class="sourceLineNo">206</span> * @param date The latest date of
written cells.<a name="line.206"></a>
+<span class="sourceLineNo">207</span> * @param maxKeyCount The key count.<a
name="line.207"></a>
+<span class="sourceLineNo">208</span> * @param compression The compression
algorithm.<a name="line.208"></a>
+<span class="sourceLineNo">209</span> * @param startKey The start key.<a
name="line.209"></a>
+<span class="sourceLineNo">210</span> * @return The writer for the del
file.<a name="line.210"></a>
+<span class="sourceLineNo">211</span> * @throws IOException<a
name="line.211"></a>
+<span class="sourceLineNo">212</span> */<a name="line.212"></a>
+<span class="sourceLineNo">213</span> public StoreFileWriter
createDelFileWriterInTmp(Date date, long maxKeyCount,<a name="line.213"></a>
+<span class="sourceLineNo">214</span> Compression.Algorithm compression,
byte[] startKey) throws IOException {<a name="line.214"></a>
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name="line.215"></a>
+<span class="sourceLineNo">216</span> startKey =
HConstants.EMPTY_START_ROW;<a name="line.216"></a>
+<span class="sourceLineNo">217</span> }<a name="line.217"></a>
+<span class="sourceLineNo">218</span> Path path = getTempDir();<a
name="line.218"></a>
+<span class="sourceLineNo">219</span> String suffix = UUID<a
name="line.219"></a>
+<span class="sourceLineNo">220</span>
.randomUUID().toString().replaceAll("-", "") + "_del";<a name="line.220"></a>
+<span class="sourceLineNo">221</span> MobFileName mobFileName =
MobFileName.create(startKey, MobUtils.formatDate(date), suffix);<a
name="line.221"></a>
+<span class="sourceLineNo">222</span> return createWriterInTmp(mobFileName,
path, maxKeyCount, compression, true);<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>
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in temp directory.<a name="line.226"></a>
+<span class="sourceLineNo">227</span> * @param date The date string, its
format is yyyymmmdd.<a name="line.227"></a>
+<span class="sourceLineNo">228</span> * @param basePath The basic path for a
temp directory.<a name="line.228"></a>
+<span class="sourceLineNo">229</span> * @param maxKeyCount The key count.<a
name="line.229"></a>
+<span class="sourceLineNo">230</span> * @param compression The compression
algorithm.<a name="line.230"></a>
+<span class="sourceLineNo">231</span> * @param startKey The start key.<a
name="line.231"></a>
+<span class="sourceLineNo">232</span> * @param isCompaction If the writer is
used in compaction.<a name="line.232"></a>
+<span class="sourceLineNo">233</span> * @return The writer for the mob
file.<a name="line.233"></a>
+<span class="sourceLineNo">234</span> * @throws IOException<a
name="line.234"></a>
+<span class="sourceLineNo">235</span> */<a name="line.235"></a>
+<span class="sourceLineNo">236</span> public StoreFileWriter
createWriterInTmp(String date, Path basePath, long maxKeyCount,<a
name="line.236"></a>
+<span class="sourceLineNo">237</span> Compression.Algorithm compression,
byte[] startKey,<a name="line.237"></a>
+<span class="sourceLineNo">238</span> boolean isCompaction) throws
IOException {<a name="line.238"></a>
+<span class="sourceLineNo">239</span> MobFileName mobFileName =
MobFileName.create(startKey, date, UUID.randomUUID()<a name="line.239"></a>
+<span class="sourceLineNo">240</span> .toString().replaceAll("-",
""));<a name="line.240"></a>
+<span class="sourceLineNo">241</span> return createWriterInTmp(mobFileName,
basePath, maxKeyCount, compression, isCompaction);<a name="line.241"></a>
+<span class="sourceLineNo">242</span> }<a name="line.242"></a>
+<span class="sourceLineNo">243</span><a name="line.243"></a>
+<span class="sourceLineNo">244</span> /**<a name="line.244"></a>
+<span class="sourceLineNo">245</span> * Creates the writer for the mob file
in temp directory.<a name="line.245"></a>
+<span class="sourceLineNo">246</span> * @param mobFileName The mob file
name.<a name="line.246"></a>
+<span class="sourceLineNo">247</span> * @param basePath The basic path for a
temp directory.<a name="line.247"></a>
+<span class="sourceLineNo">248</span> * @param maxKeyCount The key count.<a
name="line.248"></a>
+<span class="sourceLineNo">249</span> * @param compression The compression
algorithm.<a name="line.249"></a>
+<span class="sourceLineNo">250</span> * @param isCompaction If the writer is
used in compaction.<a name="line.250"></a>
+<span class="sourceLineNo">251</span> * @return The writer for the mob
file.<a name="line.251"></a>
+<span class="sourceLineNo">252</span> * @throws IOException<a
name="line.252"></a>
+<span class="sourceLineNo">253</span> */<a name="line.253"></a>
+<span class="sourceLineNo">254</span> public StoreFileWriter
createWriterInTmp(MobFileName mobFileName, Path basePath,<a name="line.254"></a>
+<span class="sourceLineNo">255</span> long maxKeyCount,
Compression.Algorithm compression,<a name="line.255"></a>
+<span class="sourceLineNo">256</span> boolean isCompaction) throws
IOException {<a name="line.256"></a>
+<span class="sourceLineNo">257</span> return MobUtils.createWriter(conf,
region.getFilesystem(), family,<a name="line.257"></a>
+<span class="sourceLineNo">258</span> new Path(basePath,
mobFileName.getFileName()), maxKeyCount, compression, mobCacheConfig,<a
name="line.258"></a>
+<span class="sourceLineNo">259</span> cryptoContext, checksumType,
bytesPerChecksum, blocksize, BloomType.NONE, isCompaction);<a
name="line.259"></a>
+<span class="sourceLineNo">260</span> }<a name="line.260"></a>
+<span class="sourceLineNo">261</span><a name="line.261"></a>
+<span class="sourceLineNo">262</span> /**<a name="line.262"></a>
+<span class="sourceLineNo">263</span> * Commits the mob file.<a
name="line.263"></a>
+<span class="sourceLineNo">264</span> * @param sourceFile The source file.<a
name="line.264"></a>
+<span class="sourceLineNo">265</span> * @param targetPath The directory path
where the source file is renamed to.<a name="line.265"></a>
+<span class="sourceLineNo">266</span> * @throws IOException<a
name="line.266"></a>
+<span class="sourceLineNo">267</span> */<a name="line.267"></a>
+<span class="sourceLineNo">268</span> public void commitFile(final Path
sourceFile, Path targetPath) throws IOException {<a name="line.268"></a>
+<span class="sourceLineNo">269</span> if (sourceFile == null) {<a
name="line.269"></a>
+<span class="sourceLineNo">270</span> return;<a name="line.270"></a>
+<span class="sourceLineNo">271</span> }<a name="line.271"></a>
+<span class="sourceLineNo">272</span> Path dstPath = new Path(targetPath,
sourceFile.getName());<a name="line.272"></a>
+<span class="sourceLineNo">273</span> validateMobFile(sourceFile);<a
name="line.273"></a>
+<span class="sourceLineNo">274</span> String msg = "Renaming flushed file
from " + sourceFile + " to " + dstPath;<a name="line.274"></a>
+<span class="sourceLineNo">275</span> LOG.info(msg);<a name="line.275"></a>
+<span class="sourceLineNo">276</span> Path parent = dstPath.getParent();<a
name="line.276"></a>
+<span class="sourceLineNo">277</span> if
(!region.getFilesystem().exists(parent)) {<a name="line.277"></a>
+<span class="sourceLineNo">278</span>
region.getFilesystem().mkdirs(parent);<a name="line.278"></a>
+<span class="sourceLineNo">279</span> }<a name="line.279"></a>
+<span class="sourceLineNo">280</span> if
(!region.getFilesystem().rename(sourceFile, dstPath)) {<a name="line.280"></a>
+<span class="sourceLineNo">281</span> throw new IOException("Failed
rename of " + sourceFile + " to " + dstPath);<a name="line.281"></a>
+<span class="sourceLineNo">282</span> }<a name="line.282"></a>
+<span class="sourceLineNo">283</span> }<a name="line.283"></a>
+<span class="sourceLineNo">284</span><a name="line.284"></a>
+<span class="sourceLineNo">285</span> /**<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * Validates a mob file by opening and
closing it.<a name="line.286"></a>
+<span class="sourceLineNo">287</span> *<a name="line.287"></a>
+<span class="sourceLineNo">288</span> * @param path the path to the mob
file<a name="line.288"></a>
+<span class="sourceLineNo">289</span> */<a name="line.289"></a>
+<span class="sourceLineNo">290</span> private void validateMobFile(Path path)
throws IOException {<a name="line.290"></a>
+<span class="sourceLineNo">291</span> HStoreFile storeFile = null;<a
name="line.291"></a>
+<span class="sourceLineNo">292</span> try {<a name="line.292"></a>
+<span class="sourceLineNo">293</span> storeFile = new
HStoreFile(region.getFilesystem(), path, conf, this.mobCacheConfig,<a
name="line.293"></a>
+<span class="sourceLineNo">294</span> BloomType.NONE,
isPrimaryReplicaStore());<a name="line.294"></a>
+<span class="sourceLineNo">295</span> storeFile.initReader();<a
name="line.295"></a>
+<span class="sourceLineNo">296</span> } catch (IOException e) {<a
name="line.296"></a>
+<span class="sourceLineNo">297</span> LOG.error("Fail to open mob file["
+ path + "], keep it in temp directory.", e);<a name="line.297"></a>
+<span class="sourceLineNo">298</span> throw e;<a name="line.298"></a>
+<span class="sourceLineNo">299</span> } finally {<a name="line.299"></a>
+<span class="sourceLineNo">300</span> if (storeFile != null) {<a
name="line.300"></a>
+<span class="sourceLineNo">301</span>
storeFile.closeStoreFile(false);<a name="line.301"></a>
+<span class="sourceLineNo">302</span> }<a name="line.302"></a>
+<span class="sourceLineNo">303</span> }<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> /**<a name="line.306"></a>
+<span class="sourceLineNo">307</span> * Reads the cell from the mob file,
and the read point does not count.<a name="line.307"></a>
+<span class="sourceLineNo">308</span> * This is used for
DefaultMobStoreCompactor where we can read empty value for the missing cell.<a
name="line.308"></a>
+<span class="sourceLineNo">309</span> * @param reference The cell found in
the HBase, its value is a path to a mob file.<a name="line.309"></a>
+<span class="sourceLineNo">310</span> * @param cacheBlocks Whether the
scanner should cache blocks.<a name="line.310"></a>
+<span class="sourceLineNo">311</span> * @return The cell found in the mob
file.<a name="line.311"></a>
+<span class="sourceLineNo">312</span> * @throws IOException<a
name="line.312"></a>
+<span class="sourceLineNo">313</span> */<a name="line.313"></a>
+<span class="sourceLineNo">314</span> public Cell resolve(Cell reference,
boolean cacheBlocks) throws IOException {<a name="line.314"></a>
+<span class="sourceLineNo">315</span> return resolve(reference,
cacheBlocks, -1, true);<a name="line.315"></a>
+<span class="sourceLineNo">316</span> }<a name="line.316"></a>
+<span class="sourceLineNo">317</span><a name="line.317"></a>
+<span class="sourceLineNo">318</span> /**<a name="line.318"></a>
+<span class="sourceLineNo">319</span> * Reads the cell from the mob file.<a
name="line.319"></a>
+<span class="sourceLineNo">320</span> * @param reference The cell found in
the HBase, its value is a path to a mob file.<a name="line.320"></a>
+<span class="sourceLineNo">321</span> * @param cacheBlocks Whether the
scanner should cache blocks.<a name="line.321"></a>
+<span class="sourceLineNo">322</span> * @param readPt the read point.<a
name="line.322"></a>
+<span class="sourceLineNo">323</span> * @param readEmptyValueOnMobCellMiss
Whether return null value when the mob file is<a name="line.323"></a>
+<span class="sourceLineNo">324</span> * missing or corrupt.<a
name="line.324"></a>
+<span class="sourceLineNo">325</span> * @return The cell found in the mob
file.<a name="line.325"></a>
+<span class="sourceLineNo">326</span> * @throws IOException<a
name="line.326"></a>
+<span class="sourceLineNo">327</span> */<a name="line.327"></a>
+<span class="sourceLineNo">328</span> public Cell resolve(Cell reference,
boolean cacheBlocks, long readPt,<a name="line.328"></a>
+<span class="sourceLineNo">329</span> boolean readEmptyValueOnMobCellMiss)
throws IOException {<a name="line.329"></a>
+<span class="sourceLineNo">330</span> Cell result = null;<a
name="line.330"></a>
+<span class="sourceLineNo">331</span> if
(MobUtils.hasValidMobRefCellValue(reference)) {<a name="line.331"></a>
+<span class="sourceLineNo">332</span> String fileName =
MobUtils.getMobFileName(reference);<a name="line.332"></a>
+<span class="sourceLineNo">333</span> Tag tableNameTag =
MobUtils.getTableNameTag(reference);<a name="line.333"></a>
+<span class="sourceLineNo">334</span> if (tableNameTag != null) {<a
name="line.334"></a>
+<span class="sourceLineNo">335</span> String tableNameString =
TagUtil.getValueAsString(tableNameTag);<a name="line.335"></a>
+<span class="sourceLineNo">336</span> List<Path> locations =
map.get(tableNameString);<a name="line.336"></a>
+<span class="sourceLineNo">337</span> if (locations == null) {<a
name="line.337"></a>
+<span class="sourceLineNo">338</span> IdLock.Entry lockEntry =
keyLock.getLockEntry(tableNameString.hashCode());<a name="line.338"></a>
+<span class="sourceLineNo">339</span> try {<a name="line.339"></a>
+<span class="sourceLineNo">340</span> locations =
map.get(tableNameString);<a name="line.340"></a>
+<span class="sourceLineNo">341</span> if (locations == null) {<a
name="line.341"></a>
+<span class="sourceLineNo">342</span> locations = new
ArrayList<>(2);<a name="line.342"></a>
+<span class="sourceLineNo">343</span> TableName tn =
TableName.valueOf(tableNameString);<a name="line.343"></a>
+<span class="sourceLineNo">344</span>
locations.add(MobUtils.getMobFamilyPath(conf, tn, family.getNameAsString()));<a
name="line.344"></a>
+<span class="sourceLineNo">345</span>
locations.add(HFileArchiveUtil.getStoreArchivePath(conf, tn, MobUtils<a
name="line.345"></a>
+<span class="sourceLineNo">346</span>
.getMobRegionInfo(tn).getEncodedName(), family.getNameAsString()));<a
name="line.346"></a>
+<span class="sourceLineNo">347</span> map.put(tableNameString,
locations);<a name="line.347"></a>
+<span class="sourceLineNo">348</span> }<a name="line.348"></a>
+<span class="sourceLineNo">349</span> } finally {<a
name="line.349"></a>
+<span class="sourceLineNo">350</span>
keyLock.releaseLockEntry(lockEntry);<a name="line.350"></a>
+<span class="sourceLineNo">351</span> }<a name="line.351"></a>
+<span class="sourceLineNo">352</span> }<a name="line.352"></a>
+<span class="sourceLineNo">353</span> result = readCell(locations,
fileName, reference, cacheBlocks, readPt,<a name="line.353"></a>
+<span class="sourceLineNo">354</span> readEmptyValueOnMobCellMiss);<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> if (result == null) {<a
name="line.357"></a>
+<span class="sourceLineNo">358</span> LOG.warn("The Cell result is null,
assemble a new Cell with the same row,family,"<a name="line.358"></a>
+<span class="sourceLineNo">359</span> + "qualifier,timestamp,type and
tags but with an empty value to return.");<a name="line.359"></a>
+<span class="sourceLineNo">360</span> result =
ExtendedCellBuilderFactory.create(CellBuilderType.DEEP_COPY)<a
name="line.360"></a>
+<span class="sourceLineNo">361</span>
.setRow(reference.getRowArray(), reference.getRowOffset(),
reference.getRowLength())<a name="line.361"></a>
+<span class="sourceLineNo">362</span>
.setFamily(reference.getFamilyArray(), reference.getFamilyOffset(),
reference.getFamilyLength())<a name="line.362"></a>
+<span class="sourceLineNo">363</span>
.setQualifier(reference.getQualifierArray(), reference.getQualifierOffset(),
reference.getQualifierLength())<a name="line.363"></a>
+<span class="sourceLineNo">364</span>
.setTimestamp(reference.getTimestamp())<a name="line.364"></a>
+<span class="sourceLineNo">365</span>
.setType(reference.getTypeByte())<a name="line.365"></a>
+<span class="sourceLineNo">366</span>
.setValue(HConstants.EMPTY_BYTE_ARRAY)<a name="line.366"></a>
+<span class="sourceLineNo">367</span>
.setTags(reference.getTagsArray(), reference.getTagsOffset(),
reference.getTagsLength())<a name="line.367"></a>
+<span class="sourceLineNo">368</span> .build();<a
name="line.368"></a>
+<span class="sourceLineNo">369</span> }<a name="line.369"></a>
+<span class="sourceLineNo">370</span> return result;<a name="line.370"></a>
+<span class="sourceLineNo">371</span> }<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> * Reads the cell from a mob file.<a
name="line.374"></a>
+<span class="sourceLineNo">375</span> * The mob file might be located in
different directories.<a name="line.375"></a>
+<span class="sourceLineNo">376</span> * 1. The working directory.<a
name="line.376"></a>
+<span class="sourceLineNo">377</span> * 2. The archive directory.<a
name="line.377"></a>
+<span class="sourceLineNo">378</span> * Reads the cell from the files
located in both of the above directories.<a name="line.378"></a>
+<span class="sourceLineNo">379</span> * @param locations The possible
locations where the mob files are saved.<a name="line.379"></a>
+<span class="sourceLineNo">380</span> * @param fileName The file to be
read.<a name="line.380"></a>
+<span class="sourceLineNo">381</span> * @param search The cell to be
searched.<a name="line.381"></a>
+<span class="sourceLineNo">382</span> * @param cacheMobBlocks Whether the
scanner should cache blocks.<a name="line.382"></a>
+<span class="sourceLineNo">383</span> * @param readPt the read point.<a
name="line.383"></a>
+<span class="sourceLineNo">384</span> * @param readEmptyValueOnMobCellMiss
Whether return null value when the mob file is<a name="line.384"></a>
+<span class="sourceLineNo">385</span> * missing or corrupt.<a
name="line.385"></a>
+<span class="sourceLineNo">386</span> * @return The found cell. Null if
there's no such a cell.<a name="line.386"></a>
+<span class="sourceLineNo">387</span> * @throws IOException<a
name="line.387"></a>
+<span class="sourceLineNo">388</span> */<a name="line.388"></a>
+<span class="sourceLineNo">389</span> private Cell readCell(List<Path>
locations, String fileName, Cell search, boolean cacheMobBlocks,<a
name="line.389"></a>
+<span class="sourceLineNo">390</span> long readPt, boolean
readEmptyValueOnMobCellMiss) throws IOException {<a name="line.390"></a>
+<span class="sourceLineNo">391</span> FileSystem fs = getFileSystem();<a
name="line.391"></a>
+<span class="sourceLineNo">392</span> Throwable throwable = null;<a
name="line.392"></a>
+<span class="sourceLineNo">393</span> for (Path location : locations) {<a
name="line.393"></a>
+<span class="sourceLineNo">394</span> MobFile file = null;<a
name="line.394"></a>
+<span class="sourceLineNo">395</span> Path path = new Path(location,
fileName);<a name="line.395"></a>
+<span class="sourceLineNo">396</span> try {<a name="line.396"></a>
+<span class="sourceLineNo">397</span> file =
mobCacheConfig.getMobFileCache().openFile(fs, path, mobCacheConfig);<a
name="line.397"></a>
+<span class="sourceLineNo">398</span> return readPt != -1 ?
file.readCell(search, cacheMobBlocks, readPt) : file.readCell(search,<a
name="line.398"></a>
+<span class="sourceLineNo">399</span> cacheMobBlocks);<a
name="line.399"></a>
+<span class="sourceLineNo">400</span> } catch (IOException e) {<a
name="line.400"></a>
+<span class="sourceLineNo">401</span>
mobCacheConfig.getMobFileCache().evictFile(fileName);<a name="line.401"></a>
+<span class="sourceLineNo">402</span> throwable = e;<a
name="line.402"></a>
+<span class="sourceLineNo">403</span> if ((e instanceof
FileNotFoundException) ||<a name="line.403"></a>
+<span class="sourceLineNo">404</span> (e.getCause() instanceof
FileNotFoundException)) {<a name="line.404"></a>
+<span class="sourceLineNo">405</span> LOG.debug("Fail to read the
cell, the mob file " + path + " doesn't exist", e);<a name="line.405"></a>
+<span class="sourceLineNo">406</span> } else if (e instanceof
CorruptHFileException) {<a name="line.406"></a>
+<span class="sourceLineNo">407</span> LOG.error("The mob file " +
path + " is corrupt", e);<a name="line.407"></a>
+<span class="sourceLineNo">408</span> break;<a name="line.408"></a>
+<span class="sourceLineNo">409</span> } else {<a name="line.409"></a>
+<span class="sourceLineNo">410</span> throw e;<a name="line.410"></a>
+<span class="sourceLineNo">411</span> }<a name="line.411"></a>
+<span class="sourceLineNo">412</span> } catch (NullPointerException e) {
// HDFS 1.x - DFSInputStream.getBlockAt()<a name="line.412"></a>
+<span class="sourceLineNo">413</span>
mobCacheConfig.getMobFileCache().evictFile(fileName);<a name="line.413"></a>
+<span class="sourceLineNo">414</span> LOG.debug("Fail to read the
cell", e);<a name="line.414"></a>
+<span class="sourceLineNo">415</span> throwable = e;<a
name="line.415"></a>
+<span class="sourceLineNo">416</span> } catch (AssertionError e) { //
assert in HDFS 1.x - DFSInputStream.getBlockAt()<a name="line.416"></a>
+<span class="sourceLineNo">417</span>
mobCacheConfig.getMobFileCache().evictFile(fileName);<a name="line.417"></a>
+<span class="sourceLineNo">418</span> LOG.debug("Fail to read the
cell", e);<a name="line.418"></a>
+<span class="sourceLineNo">419</span> throwable = e;<a
name="line.419"></a>
+<span class="sourceLineNo">420</span> } finally {<a name="line.420"></a>
+<span class="sourceLineNo">421</span> if (file != null) {<a
name="line.421"></a>
+<span class="sourceLineNo">422</span>
mobCacheConfig.getMobFileCache().closeFile(file);<a name="line.422"></a>
+<span class="sourceLineNo">423</span> }<a name="line.423"></a>
+<span class="sourceLineNo">424</span> }<a name="line.424"></a>
+<span class="sourceLineNo">425</span> }<a name="line.425"></a>
+<span class="sourceLineNo">426</span> LOG.error("The mob file " + fileName
+ " could not be found in the locations " + locations<a name="line.426"></a>
+<span class="sourceLineNo">427</span> + " or it is corrupt");<a
name="line.427"></a>
+<span class="sourceLineNo">428</span> if (readEmptyValueOnMobCellMiss) {<a
name="line.428"></a>
+<span class="sourceLineNo">429</span> return null;<a name="line.429"></a>
+<span class="sourceLineNo">430</span> } else if ((throwable instanceof
FileNotFoundException)<a name="line.430"></a>
+<span class="sourceLineNo">431</span> || (throwable.getCause()
instanceof FileNotFoundException)) {<a name="line.431"></a>
+<span class="sourceLineNo">432</span> // The region is re-opened when
FileNotFoundException is thrown.<a name="line.432"></a>
+<span class="sourceLineNo">433</span> // This is not necessary when MOB
files cannot be found, because the store files<a name="line.433"></a>
+<span class="sourceLineNo">434</span> // in a region only contain the
references to MOB files and a re-open on a region<a name="line.434"></a>
+<span class="sourceLineNo">435</span> // doesn't help fix the lost MOB
files.<a name="line.435"></a>
+<span class="sourceLineNo">436</span> throw new
DoNotRetryIOException(throwable);<a name="line.436"></a>
+<span class="sourceLineNo">437</span> } else if (throwable instanceof
IOException) {<a name="line.437"></a>
+<span class="sourceLineNo">438</span> throw (IOException) throwable;<a
name="line.438"></a>
+<span class="sourceLineNo">439</span> } else {<a name="line.439"></a>
+<span class="sourceLineNo">440</span> throw new IOException(throwable);<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><a name="line.443"></a>
+<span class="sourceLineNo">444</span> /**<a name="line.444"></a>
+<span class="sourceLineNo">445</span> * Gets the mob file path.<a
name="line.445"></a>
+<span class="sourceLineNo">446</span> * @return The mob file path.<a
name="line.446"></a>
+<span class="sourceLineNo">447</span> */<a name="line.447"></a>
+<span class="sourceLineNo">448</span> public Path getPath() {<a
name="line.448"></a>
+<span class="sourceLineNo">449</span> return mobFamilyPath;<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> public void
updateCellsCountCompactedToMob(long count) {<a name="line.452"></a>
+<span class="sourceLineNo">453</span> cellsCountCompactedToMob += count;<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> public long
getCellsCountCompactedToMob() {<a name="line.456"></a>
+<span class="sourceLineNo">457</span> return cellsCountCompactedToMob;<a
name="line.457"></a>
+<span class="sourceLineNo">458</span> }<a name="line.458"></a>
+<span class="sourceLineNo">459</span><a name="line.459"></a>
+<span class="sourceLineNo">460</span> public void
updateCellsCountCompactedFromMob(long count) {<a name="line.460"></a>
+<span class="sourceLineNo">461</span> cellsCountCompactedFromMob +=
count;<a name="line.461"></a>
+<span class="sourceLineNo">462</span> }<a name="line.462"></a>
+<span class="sourceLineNo">463</span><a name="line.463"></a>
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updateCellsSizeCompactedToMob(long size) {<a name="line.468"></a>
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getCellsSizeCompactedToMob() {<a name="line.472"></a>
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updateMobFlushedCellsCount(long count) {<a name="line.493"></a>
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updateMobFlushedCellsSize(long size) {<a name="line.501"></a>
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