Repository: hbase-site Updated Branches: refs/heads/asf-site 7a00907bf -> 96e5e102a
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/96e5e102/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestScannerHeartbeatMessages.HeartbeatRegionScanner.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestScannerHeartbeatMessages.HeartbeatRegionScanner.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestScannerHeartbeatMessages.HeartbeatRegionScanner.html index 281c243..1a84ee1 100644 --- a/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestScannerHeartbeatMessages.HeartbeatRegionScanner.html +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestScannerHeartbeatMessages.HeartbeatRegionScanner.html @@ -152,433 +152,461 @@ <span class="sourceLineNo">144</span><a name="line.144"></a> <span class="sourceLineNo">145</span> /**<a name="line.145"></a> <span class="sourceLineNo">146</span> * Make puts to put the input value into each combination of row, family, and qualifier<a name="line.146"></a> -<span class="sourceLineNo">147</span> * @param rows<a name="line.147"></a> -<span class="sourceLineNo">148</span> * @param families<a name="line.148"></a> -<span class="sourceLineNo">149</span> * @param qualifiers<a name="line.149"></a> -<span class="sourceLineNo">150</span> * @param value<a name="line.150"></a> -<span class="sourceLineNo">151</span> * @return<a name="line.151"></a> -<span class="sourceLineNo">152</span> * @throws IOException<a name="line.152"></a> -<span class="sourceLineNo">153</span> */<a name="line.153"></a> -<span class="sourceLineNo">154</span> static ArrayList<Put> createPuts(byte[][] rows, byte[][] families, byte[][] qualifiers,<a name="line.154"></a> -<span class="sourceLineNo">155</span> byte[] value) throws IOException {<a name="line.155"></a> -<span class="sourceLineNo">156</span> Put put;<a name="line.156"></a> -<span class="sourceLineNo">157</span> ArrayList<Put> puts = new ArrayList<>();<a name="line.157"></a> -<span class="sourceLineNo">158</span><a name="line.158"></a> -<span class="sourceLineNo">159</span> for (int row = 0; row < rows.length; row++) {<a name="line.159"></a> -<span class="sourceLineNo">160</span> put = new Put(rows[row]);<a name="line.160"></a> -<span class="sourceLineNo">161</span> for (int fam = 0; fam < families.length; fam++) {<a name="line.161"></a> -<span class="sourceLineNo">162</span> for (int qual = 0; qual < qualifiers.length; qual++) {<a name="line.162"></a> -<span class="sourceLineNo">163</span> KeyValue kv = new KeyValue(rows[row], families[fam], qualifiers[qual], qual, value);<a name="line.163"></a> -<span class="sourceLineNo">164</span> put.add(kv);<a name="line.164"></a> -<span class="sourceLineNo">165</span> }<a name="line.165"></a> -<span class="sourceLineNo">166</span> }<a name="line.166"></a> -<span class="sourceLineNo">167</span> puts.add(put);<a name="line.167"></a> -<span class="sourceLineNo">168</span> }<a name="line.168"></a> -<span class="sourceLineNo">169</span><a name="line.169"></a> -<span class="sourceLineNo">170</span> return puts;<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> @AfterClass<a name="line.173"></a> -<span class="sourceLineNo">174</span> public static void tearDownAfterClass() throws Exception {<a name="line.174"></a> -<span class="sourceLineNo">175</span> TEST_UTIL.shutdownMiniCluster();<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> @Before<a name="line.178"></a> -<span class="sourceLineNo">179</span> public void setupBeforeTest() throws Exception {<a name="line.179"></a> -<span class="sourceLineNo">180</span> disableSleeping();<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> @After<a name="line.183"></a> -<span class="sourceLineNo">184</span> public void teardownAfterTest() throws Exception {<a name="line.184"></a> -<span class="sourceLineNo">185</span> disableSleeping();<a name="line.185"></a> -<span class="sourceLineNo">186</span> }<a name="line.186"></a> -<span class="sourceLineNo">187</span><a name="line.187"></a> -<span class="sourceLineNo">188</span> /**<a name="line.188"></a> -<span class="sourceLineNo">189</span> * Run the test callable when heartbeats are enabled/disabled. We expect all tests to only pass<a name="line.189"></a> -<span class="sourceLineNo">190</span> * when heartbeat messages are enabled (otherwise the test is pointless). When heartbeats are<a name="line.190"></a> -<span class="sourceLineNo">191</span> * disabled, the test should throw an exception.<a name="line.191"></a> -<span class="sourceLineNo">192</span> * @param testCallable<a name="line.192"></a> -<span class="sourceLineNo">193</span> * @throws InterruptedException<a name="line.193"></a> -<span class="sourceLineNo">194</span> */<a name="line.194"></a> -<span class="sourceLineNo">195</span> private void testImportanceOfHeartbeats(Callable<Void> testCallable) throws InterruptedException {<a name="line.195"></a> -<span class="sourceLineNo">196</span> HeartbeatRPCServices.heartbeatsEnabled = true;<a name="line.196"></a> -<span class="sourceLineNo">197</span><a name="line.197"></a> +<span class="sourceLineNo">147</span> */<a name="line.147"></a> +<span class="sourceLineNo">148</span> static ArrayList<Put> createPuts(byte[][] rows, byte[][] families, byte[][] qualifiers,<a name="line.148"></a> +<span class="sourceLineNo">149</span> byte[] value) throws IOException {<a name="line.149"></a> +<span class="sourceLineNo">150</span> Put put;<a name="line.150"></a> +<span class="sourceLineNo">151</span> ArrayList<Put> puts = new ArrayList<>();<a name="line.151"></a> +<span class="sourceLineNo">152</span><a name="line.152"></a> +<span class="sourceLineNo">153</span> for (int row = 0; row < rows.length; row++) {<a name="line.153"></a> +<span class="sourceLineNo">154</span> put = new Put(rows[row]);<a name="line.154"></a> +<span class="sourceLineNo">155</span> for (int fam = 0; fam < families.length; fam++) {<a name="line.155"></a> +<span class="sourceLineNo">156</span> for (int qual = 0; qual < qualifiers.length; qual++) {<a name="line.156"></a> +<span class="sourceLineNo">157</span> KeyValue kv = new KeyValue(rows[row], families[fam], qualifiers[qual], qual, value);<a name="line.157"></a> +<span class="sourceLineNo">158</span> put.add(kv);<a name="line.158"></a> +<span class="sourceLineNo">159</span> }<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span> puts.add(put);<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> return puts;<a name="line.164"></a> +<span class="sourceLineNo">165</span> }<a name="line.165"></a> +<span class="sourceLineNo">166</span><a name="line.166"></a> +<span class="sourceLineNo">167</span> @AfterClass<a name="line.167"></a> +<span class="sourceLineNo">168</span> public static void tearDownAfterClass() throws Exception {<a name="line.168"></a> +<span class="sourceLineNo">169</span> TEST_UTIL.shutdownMiniCluster();<a name="line.169"></a> +<span class="sourceLineNo">170</span> }<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> @Before<a name="line.172"></a> +<span class="sourceLineNo">173</span> public void setupBeforeTest() throws Exception {<a name="line.173"></a> +<span class="sourceLineNo">174</span> disableSleeping();<a name="line.174"></a> +<span class="sourceLineNo">175</span> }<a name="line.175"></a> +<span class="sourceLineNo">176</span><a name="line.176"></a> +<span class="sourceLineNo">177</span> @After<a name="line.177"></a> +<span class="sourceLineNo">178</span> public void teardownAfterTest() throws Exception {<a name="line.178"></a> +<span class="sourceLineNo">179</span> disableSleeping();<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> * Run the test callable when heartbeats are enabled/disabled. We expect all tests to only pass<a name="line.183"></a> +<span class="sourceLineNo">184</span> * when heartbeat messages are enabled (otherwise the test is pointless). When heartbeats are<a name="line.184"></a> +<span class="sourceLineNo">185</span> * disabled, the test should throw an exception.<a name="line.185"></a> +<span class="sourceLineNo">186</span> */<a name="line.186"></a> +<span class="sourceLineNo">187</span> private void testImportanceOfHeartbeats(Callable<Void> testCallable) throws InterruptedException {<a name="line.187"></a> +<span class="sourceLineNo">188</span> HeartbeatRPCServices.heartbeatsEnabled = true;<a name="line.188"></a> +<span class="sourceLineNo">189</span><a name="line.189"></a> +<span class="sourceLineNo">190</span> try {<a name="line.190"></a> +<span class="sourceLineNo">191</span> testCallable.call();<a name="line.191"></a> +<span class="sourceLineNo">192</span> } catch (Exception e) {<a name="line.192"></a> +<span class="sourceLineNo">193</span> fail("Heartbeat messages are enabled, exceptions should NOT be thrown. Exception trace:"<a name="line.193"></a> +<span class="sourceLineNo">194</span> + ExceptionUtils.getStackTrace(e));<a name="line.194"></a> +<span class="sourceLineNo">195</span> }<a name="line.195"></a> +<span class="sourceLineNo">196</span><a name="line.196"></a> +<span class="sourceLineNo">197</span> HeartbeatRPCServices.heartbeatsEnabled = false;<a name="line.197"></a> <span class="sourceLineNo">198</span> try {<a name="line.198"></a> <span class="sourceLineNo">199</span> testCallable.call();<a name="line.199"></a> <span class="sourceLineNo">200</span> } catch (Exception e) {<a name="line.200"></a> -<span class="sourceLineNo">201</span> fail("Heartbeat messages are enabled, exceptions should NOT be thrown. Exception trace:"<a name="line.201"></a> -<span class="sourceLineNo">202</span> + ExceptionUtils.getStackTrace(e));<a name="line.202"></a> -<span class="sourceLineNo">203</span> }<a name="line.203"></a> -<span class="sourceLineNo">204</span><a name="line.204"></a> -<span class="sourceLineNo">205</span> HeartbeatRPCServices.heartbeatsEnabled = false;<a name="line.205"></a> -<span class="sourceLineNo">206</span> try {<a name="line.206"></a> -<span class="sourceLineNo">207</span> testCallable.call();<a name="line.207"></a> -<span class="sourceLineNo">208</span> } catch (Exception e) {<a name="line.208"></a> -<span class="sourceLineNo">209</span> return;<a name="line.209"></a> -<span class="sourceLineNo">210</span> } finally {<a name="line.210"></a> -<span class="sourceLineNo">211</span> HeartbeatRPCServices.heartbeatsEnabled = true;<a name="line.211"></a> -<span class="sourceLineNo">212</span> }<a name="line.212"></a> -<span class="sourceLineNo">213</span> fail("Heartbeats messages are disabled, an exception should be thrown. If an exception "<a name="line.213"></a> -<span class="sourceLineNo">214</span> + " is not thrown, the test case is not testing the importance of heartbeat messages");<a name="line.214"></a> -<span class="sourceLineNo">215</span> }<a name="line.215"></a> +<span class="sourceLineNo">201</span> return;<a name="line.201"></a> +<span class="sourceLineNo">202</span> } finally {<a name="line.202"></a> +<span class="sourceLineNo">203</span> HeartbeatRPCServices.heartbeatsEnabled = true;<a name="line.203"></a> +<span class="sourceLineNo">204</span> }<a name="line.204"></a> +<span class="sourceLineNo">205</span> fail("Heartbeats messages are disabled, an exception should be thrown. If an exception "<a name="line.205"></a> +<span class="sourceLineNo">206</span> + " is not thrown, the test case is not testing the importance of heartbeat messages");<a name="line.206"></a> +<span class="sourceLineNo">207</span> }<a name="line.207"></a> +<span class="sourceLineNo">208</span><a name="line.208"></a> +<span class="sourceLineNo">209</span> /**<a name="line.209"></a> +<span class="sourceLineNo">210</span> * Test the case that the time limit for the scan is reached after each full row of cells is<a name="line.210"></a> +<span class="sourceLineNo">211</span> * fetched.<a name="line.211"></a> +<span class="sourceLineNo">212</span> */<a name="line.212"></a> +<span class="sourceLineNo">213</span> @Test<a name="line.213"></a> +<span class="sourceLineNo">214</span> public void testHeartbeatBetweenRows() throws Exception {<a name="line.214"></a> +<span class="sourceLineNo">215</span> testImportanceOfHeartbeats(new Callable<Void>() {<a name="line.215"></a> <span class="sourceLineNo">216</span><a name="line.216"></a> -<span class="sourceLineNo">217</span> /**<a name="line.217"></a> -<span class="sourceLineNo">218</span> * Test the case that the time limit for the scan is reached after each full row of cells is<a name="line.218"></a> -<span class="sourceLineNo">219</span> * fetched.<a name="line.219"></a> -<span class="sourceLineNo">220</span> * @throws Exception<a name="line.220"></a> -<span class="sourceLineNo">221</span> */<a name="line.221"></a> -<span class="sourceLineNo">222</span> @Test<a name="line.222"></a> -<span class="sourceLineNo">223</span> public void testHeartbeatBetweenRows() throws Exception {<a name="line.223"></a> -<span class="sourceLineNo">224</span> testImportanceOfHeartbeats(new Callable<Void>() {<a name="line.224"></a> -<span class="sourceLineNo">225</span><a name="line.225"></a> -<span class="sourceLineNo">226</span> @Override<a name="line.226"></a> -<span class="sourceLineNo">227</span> public Void call() throws Exception {<a name="line.227"></a> -<span class="sourceLineNo">228</span> // Configure the scan so that it can read the entire table in a single RPC. We want to test<a name="line.228"></a> -<span class="sourceLineNo">229</span> // the case where a scan stops on the server side due to a time limit<a name="line.229"></a> -<span class="sourceLineNo">230</span> Scan scan = new Scan();<a name="line.230"></a> -<span class="sourceLineNo">231</span> scan.setMaxResultSize(Long.MAX_VALUE);<a name="line.231"></a> -<span class="sourceLineNo">232</span> scan.setCaching(Integer.MAX_VALUE);<a name="line.232"></a> -<span class="sourceLineNo">233</span><a name="line.233"></a> -<span class="sourceLineNo">234</span> testEquivalenceOfScanWithHeartbeats(scan, DEFAULT_ROW_SLEEP_TIME, -1, false);<a name="line.234"></a> -<span class="sourceLineNo">235</span> return null;<a name="line.235"></a> -<span class="sourceLineNo">236</span> }<a name="line.236"></a> -<span class="sourceLineNo">237</span> });<a name="line.237"></a> -<span class="sourceLineNo">238</span> }<a name="line.238"></a> -<span class="sourceLineNo">239</span><a name="line.239"></a> -<span class="sourceLineNo">240</span> /**<a name="line.240"></a> -<span class="sourceLineNo">241</span> * Test the case that the time limit for scans is reached in between column families<a name="line.241"></a> -<span class="sourceLineNo">242</span> * @throws Exception<a name="line.242"></a> -<span class="sourceLineNo">243</span> */<a name="line.243"></a> -<span class="sourceLineNo">244</span> @Test<a name="line.244"></a> -<span class="sourceLineNo">245</span> public void testHeartbeatBetweenColumnFamilies() throws Exception {<a name="line.245"></a> -<span class="sourceLineNo">246</span> testImportanceOfHeartbeats(new Callable<Void>() {<a name="line.246"></a> -<span class="sourceLineNo">247</span> @Override<a name="line.247"></a> -<span class="sourceLineNo">248</span> public Void call() throws Exception {<a name="line.248"></a> -<span class="sourceLineNo">249</span> // Configure the scan so that it can read the entire table in a single RPC. We want to test<a name="line.249"></a> -<span class="sourceLineNo">250</span> // the case where a scan stops on the server side due to a time limit<a name="line.250"></a> -<span class="sourceLineNo">251</span> Scan baseScan = new Scan();<a name="line.251"></a> -<span class="sourceLineNo">252</span> baseScan.setMaxResultSize(Long.MAX_VALUE);<a name="line.252"></a> -<span class="sourceLineNo">253</span> baseScan.setCaching(Integer.MAX_VALUE);<a name="line.253"></a> -<span class="sourceLineNo">254</span><a name="line.254"></a> -<span class="sourceLineNo">255</span> // Copy the scan before each test. When a scan object is used by a scanner, some of its<a name="line.255"></a> -<span class="sourceLineNo">256</span> // fields may be changed such as start row<a name="line.256"></a> -<span class="sourceLineNo">257</span> Scan scanCopy = new Scan(baseScan);<a name="line.257"></a> -<span class="sourceLineNo">258</span> testEquivalenceOfScanWithHeartbeats(scanCopy, -1, DEFAULT_CF_SLEEP_TIME, false);<a name="line.258"></a> -<span class="sourceLineNo">259</span> scanCopy = new Scan(baseScan);<a name="line.259"></a> -<span class="sourceLineNo">260</span> testEquivalenceOfScanWithHeartbeats(scanCopy, -1, DEFAULT_CF_SLEEP_TIME, true);<a name="line.260"></a> -<span class="sourceLineNo">261</span> return null;<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> }<a name="line.264"></a> -<span class="sourceLineNo">265</span><a name="line.265"></a> -<span class="sourceLineNo">266</span> public static class SparseFilter extends FilterBase {<a name="line.266"></a> -<span class="sourceLineNo">267</span><a name="line.267"></a> -<span class="sourceLineNo">268</span> @Override<a name="line.268"></a> -<span class="sourceLineNo">269</span> public ReturnCode filterCell(final Cell v) throws IOException {<a name="line.269"></a> -<span class="sourceLineNo">270</span> try {<a name="line.270"></a> -<span class="sourceLineNo">271</span> Thread.sleep(CLIENT_TIMEOUT / 2 + 100);<a name="line.271"></a> -<span class="sourceLineNo">272</span> } catch (InterruptedException e) {<a name="line.272"></a> -<span class="sourceLineNo">273</span> Thread.currentThread().interrupt();<a name="line.273"></a> -<span class="sourceLineNo">274</span> }<a name="line.274"></a> -<span class="sourceLineNo">275</span> return Bytes.equals(CellUtil.cloneRow(v), ROWS[NUM_ROWS - 1]) ? ReturnCode.INCLUDE<a name="line.275"></a> -<span class="sourceLineNo">276</span> : ReturnCode.SKIP;<a name="line.276"></a> -<span class="sourceLineNo">277</span> }<a name="line.277"></a> -<span class="sourceLineNo">278</span><a name="line.278"></a> -<span class="sourceLineNo">279</span> public static Filter parseFrom(final byte[] pbBytes) {<a name="line.279"></a> -<span class="sourceLineNo">280</span> return new SparseFilter();<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><a name="line.283"></a> -<span class="sourceLineNo">284</span> /**<a name="line.284"></a> -<span class="sourceLineNo">285</span> * Test the case that there is a filter which filters most of cells<a name="line.285"></a> -<span class="sourceLineNo">286</span> * @throws Exception<a name="line.286"></a> -<span class="sourceLineNo">287</span> */<a name="line.287"></a> -<span class="sourceLineNo">288</span> @Test<a name="line.288"></a> -<span class="sourceLineNo">289</span> public void testHeartbeatWithSparseFilter() throws Exception {<a name="line.289"></a> -<span class="sourceLineNo">290</span> testImportanceOfHeartbeats(new Callable<Void>() {<a name="line.290"></a> -<span class="sourceLineNo">291</span> @Override<a name="line.291"></a> -<span class="sourceLineNo">292</span> public Void call() throws Exception {<a name="line.292"></a> -<span class="sourceLineNo">293</span> Scan scan = new Scan();<a name="line.293"></a> -<span class="sourceLineNo">294</span> scan.setMaxResultSize(Long.MAX_VALUE);<a name="line.294"></a> -<span class="sourceLineNo">295</span> scan.setCaching(Integer.MAX_VALUE);<a name="line.295"></a> -<span class="sourceLineNo">296</span> scan.setFilter(new SparseFilter());<a name="line.296"></a> -<span class="sourceLineNo">297</span> ResultScanner scanner = TABLE.getScanner(scan);<a name="line.297"></a> -<span class="sourceLineNo">298</span> int num = 0;<a name="line.298"></a> -<span class="sourceLineNo">299</span> while (scanner.next() != null) {<a name="line.299"></a> -<span class="sourceLineNo">300</span> num++;<a name="line.300"></a> -<span class="sourceLineNo">301</span> }<a name="line.301"></a> -<span class="sourceLineNo">302</span> assertEquals(1, num);<a name="line.302"></a> -<span class="sourceLineNo">303</span> scanner.close();<a name="line.303"></a> -<span class="sourceLineNo">304</span><a name="line.304"></a> -<span class="sourceLineNo">305</span> scan = new Scan();<a name="line.305"></a> -<span class="sourceLineNo">306</span> scan.setMaxResultSize(Long.MAX_VALUE);<a name="line.306"></a> -<span class="sourceLineNo">307</span> scan.setCaching(Integer.MAX_VALUE);<a name="line.307"></a> -<span class="sourceLineNo">308</span> scan.setFilter(new SparseFilter());<a name="line.308"></a> -<span class="sourceLineNo">309</span> scan.setAllowPartialResults(true);<a name="line.309"></a> -<span class="sourceLineNo">310</span> scanner = TABLE.getScanner(scan);<a name="line.310"></a> -<span class="sourceLineNo">311</span> num = 0;<a name="line.311"></a> -<span class="sourceLineNo">312</span> while (scanner.next() != null) {<a name="line.312"></a> -<span class="sourceLineNo">313</span> num++;<a name="line.313"></a> -<span class="sourceLineNo">314</span> }<a name="line.314"></a> -<span class="sourceLineNo">315</span> assertEquals(NUM_FAMILIES * NUM_QUALIFIERS, num);<a name="line.315"></a> -<span class="sourceLineNo">316</span> scanner.close();<a name="line.316"></a> -<span class="sourceLineNo">317</span><a name="line.317"></a> -<span class="sourceLineNo">318</span> return null;<a name="line.318"></a> -<span class="sourceLineNo">319</span> }<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><a name="line.322"></a> -<span class="sourceLineNo">323</span> /**<a name="line.323"></a> -<span class="sourceLineNo">324</span> * Test the equivalence of a scan versus the same scan executed when heartbeat messages are<a name="line.324"></a> -<span class="sourceLineNo">325</span> * necessary<a name="line.325"></a> -<span class="sourceLineNo">326</span> * @param scan The scan configuration being tested<a name="line.326"></a> -<span class="sourceLineNo">327</span> * @param rowSleepTime The time to sleep between fetches of row cells<a name="line.327"></a> -<span class="sourceLineNo">328</span> * @param cfSleepTime The time to sleep between fetches of column family cells<a name="line.328"></a> -<span class="sourceLineNo">329</span> * @param sleepBeforeCf set to true when column family sleeps should occur before the cells for<a name="line.329"></a> -<span class="sourceLineNo">330</span> * that column family are fetched<a name="line.330"></a> -<span class="sourceLineNo">331</span> * @throws Exception<a name="line.331"></a> -<span class="sourceLineNo">332</span> */<a name="line.332"></a> -<span class="sourceLineNo">333</span> private void testEquivalenceOfScanWithHeartbeats(final Scan scan, int rowSleepTime,<a name="line.333"></a> -<span class="sourceLineNo">334</span> int cfSleepTime, boolean sleepBeforeCf) throws Exception {<a name="line.334"></a> -<span class="sourceLineNo">335</span> disableSleeping();<a name="line.335"></a> -<span class="sourceLineNo">336</span> final ResultScanner scanner = TABLE.getScanner(scan);<a name="line.336"></a> -<span class="sourceLineNo">337</span> final ResultScanner scannerWithHeartbeats = TABLE.getScanner(scan);<a name="line.337"></a> -<span class="sourceLineNo">338</span><a name="line.338"></a> -<span class="sourceLineNo">339</span> Result r1 = null;<a name="line.339"></a> -<span class="sourceLineNo">340</span> Result r2 = null;<a name="line.340"></a> -<span class="sourceLineNo">341</span><a name="line.341"></a> -<span class="sourceLineNo">342</span> while ((r1 = scanner.next()) != null) {<a name="line.342"></a> -<span class="sourceLineNo">343</span> // Enforce the specified sleep conditions during calls to the heartbeat scanner<a name="line.343"></a> -<span class="sourceLineNo">344</span> configureSleepTime(rowSleepTime, cfSleepTime, sleepBeforeCf);<a name="line.344"></a> -<span class="sourceLineNo">345</span> r2 = scannerWithHeartbeats.next();<a name="line.345"></a> -<span class="sourceLineNo">346</span> disableSleeping();<a name="line.346"></a> -<span class="sourceLineNo">347</span><a name="line.347"></a> -<span class="sourceLineNo">348</span> assertTrue(r2 != null);<a name="line.348"></a> -<span class="sourceLineNo">349</span> try {<a name="line.349"></a> -<span class="sourceLineNo">350</span> Result.compareResults(r1, r2);<a name="line.350"></a> -<span class="sourceLineNo">351</span> } catch (Exception e) {<a name="line.351"></a> -<span class="sourceLineNo">352</span> fail(e.getMessage());<a name="line.352"></a> -<span class="sourceLineNo">353</span> }<a name="line.353"></a> -<span class="sourceLineNo">354</span> }<a name="line.354"></a> -<span class="sourceLineNo">355</span><a name="line.355"></a> -<span class="sourceLineNo">356</span> assertTrue(scannerWithHeartbeats.next() == null);<a name="line.356"></a> -<span class="sourceLineNo">357</span> scanner.close();<a name="line.357"></a> -<span class="sourceLineNo">358</span> scannerWithHeartbeats.close();<a name="line.358"></a> -<span class="sourceLineNo">359</span> }<a name="line.359"></a> -<span class="sourceLineNo">360</span><a name="line.360"></a> -<span class="sourceLineNo">361</span> /**<a name="line.361"></a> -<span class="sourceLineNo">362</span> * Helper method for setting the time to sleep between rows and column families. If a sleep time<a name="line.362"></a> -<span class="sourceLineNo">363</span> * is negative then that sleep will be disabled<a name="line.363"></a> -<span class="sourceLineNo">364</span> * @param rowSleepTime<a name="line.364"></a> -<span class="sourceLineNo">365</span> * @param cfSleepTime<a name="line.365"></a> -<span class="sourceLineNo">366</span> */<a name="line.366"></a> -<span class="sourceLineNo">367</span> private static void configureSleepTime(int rowSleepTime, int cfSleepTime, boolean sleepBeforeCf) {<a name="line.367"></a> -<span class="sourceLineNo">368</span> HeartbeatHRegion.sleepBetweenRows = rowSleepTime > 0;<a name="line.368"></a> -<span class="sourceLineNo">369</span> HeartbeatHRegion.rowSleepTime = rowSleepTime;<a name="line.369"></a> -<span class="sourceLineNo">370</span><a name="line.370"></a> -<span class="sourceLineNo">371</span> HeartbeatHRegion.sleepBetweenColumnFamilies = cfSleepTime > 0;<a name="line.371"></a> -<span class="sourceLineNo">372</span> HeartbeatHRegion.columnFamilySleepTime = cfSleepTime;<a name="line.372"></a> -<span class="sourceLineNo">373</span> HeartbeatHRegion.sleepBeforeColumnFamily = sleepBeforeCf;<a name="line.373"></a> -<span class="sourceLineNo">374</span> }<a name="line.374"></a> -<span class="sourceLineNo">375</span><a name="line.375"></a> -<span class="sourceLineNo">376</span> /**<a name="line.376"></a> -<span class="sourceLineNo">377</span> * Disable the sleeping mechanism server side.<a name="line.377"></a> -<span class="sourceLineNo">378</span> */<a name="line.378"></a> -<span class="sourceLineNo">379</span> private static void disableSleeping() {<a name="line.379"></a> -<span class="sourceLineNo">380</span> HeartbeatHRegion.sleepBetweenRows = false;<a name="line.380"></a> -<span class="sourceLineNo">381</span> HeartbeatHRegion.sleepBetweenColumnFamilies = false;<a name="line.381"></a> -<span class="sourceLineNo">382</span> }<a name="line.382"></a> -<span class="sourceLineNo">383</span><a name="line.383"></a> -<span class="sourceLineNo">384</span> /**<a name="line.384"></a> -<span class="sourceLineNo">385</span> * Custom HRegionServer instance that instantiates {@link HeartbeatRPCServices} in place of<a name="line.385"></a> -<span class="sourceLineNo">386</span> * {@link RSRpcServices} to allow us to toggle support for heartbeat messages<a name="line.386"></a> -<span class="sourceLineNo">387</span> */<a name="line.387"></a> -<span class="sourceLineNo">388</span> private static class HeartbeatHRegionServer extends HRegionServer {<a name="line.388"></a> -<span class="sourceLineNo">389</span> public HeartbeatHRegionServer(Configuration conf) throws IOException, InterruptedException {<a name="line.389"></a> -<span class="sourceLineNo">390</span> super(conf);<a name="line.390"></a> -<span class="sourceLineNo">391</span> }<a name="line.391"></a> -<span class="sourceLineNo">392</span><a name="line.392"></a> -<span class="sourceLineNo">393</span> @Override<a name="line.393"></a> -<span class="sourceLineNo">394</span> protected RSRpcServices createRpcServices() throws IOException {<a name="line.394"></a> -<span class="sourceLineNo">395</span> return new HeartbeatRPCServices(this);<a name="line.395"></a> -<span class="sourceLineNo">396</span> }<a name="line.396"></a> -<span class="sourceLineNo">397</span> }<a name="line.397"></a> +<span class="sourceLineNo">217</span> @Override<a name="line.217"></a> +<span class="sourceLineNo">218</span> public Void call() throws Exception {<a name="line.218"></a> +<span class="sourceLineNo">219</span> // Configure the scan so that it can read the entire table in a single RPC. We want to test<a name="line.219"></a> +<span class="sourceLineNo">220</span> // the case where a scan stops on the server side due to a time limit<a name="line.220"></a> +<span class="sourceLineNo">221</span> Scan scan = new Scan();<a name="line.221"></a> +<span class="sourceLineNo">222</span> scan.setMaxResultSize(Long.MAX_VALUE);<a name="line.222"></a> +<span class="sourceLineNo">223</span> scan.setCaching(Integer.MAX_VALUE);<a name="line.223"></a> +<span class="sourceLineNo">224</span><a name="line.224"></a> +<span class="sourceLineNo">225</span> testEquivalenceOfScanWithHeartbeats(scan, DEFAULT_ROW_SLEEP_TIME, -1, false);<a name="line.225"></a> +<span class="sourceLineNo">226</span> return null;<a name="line.226"></a> +<span class="sourceLineNo">227</span> }<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> /**<a name="line.231"></a> +<span class="sourceLineNo">232</span> * Test the case that the time limit for scans is reached in between column families<a name="line.232"></a> +<span class="sourceLineNo">233</span> */<a name="line.233"></a> +<span class="sourceLineNo">234</span> @Test<a name="line.234"></a> +<span class="sourceLineNo">235</span> public void testHeartbeatBetweenColumnFamilies() throws Exception {<a name="line.235"></a> +<span class="sourceLineNo">236</span> testImportanceOfHeartbeats(new Callable<Void>() {<a name="line.236"></a> +<span class="sourceLineNo">237</span> @Override<a name="line.237"></a> +<span class="sourceLineNo">238</span> public Void call() throws Exception {<a name="line.238"></a> +<span class="sourceLineNo">239</span> // Configure the scan so that it can read the entire table in a single RPC. We want to test<a name="line.239"></a> +<span class="sourceLineNo">240</span> // the case where a scan stops on the server side due to a time limit<a name="line.240"></a> +<span class="sourceLineNo">241</span> Scan baseScan = new Scan();<a name="line.241"></a> +<span class="sourceLineNo">242</span> baseScan.setMaxResultSize(Long.MAX_VALUE);<a name="line.242"></a> +<span class="sourceLineNo">243</span> baseScan.setCaching(Integer.MAX_VALUE);<a name="line.243"></a> +<span class="sourceLineNo">244</span><a name="line.244"></a> +<span class="sourceLineNo">245</span> // Copy the scan before each test. When a scan object is used by a scanner, some of its<a name="line.245"></a> +<span class="sourceLineNo">246</span> // fields may be changed such as start row<a name="line.246"></a> +<span class="sourceLineNo">247</span> Scan scanCopy = new Scan(baseScan);<a name="line.247"></a> +<span class="sourceLineNo">248</span> testEquivalenceOfScanWithHeartbeats(scanCopy, -1, DEFAULT_CF_SLEEP_TIME, false);<a name="line.248"></a> +<span class="sourceLineNo">249</span> scanCopy = new Scan(baseScan);<a name="line.249"></a> +<span class="sourceLineNo">250</span> testEquivalenceOfScanWithHeartbeats(scanCopy, -1, DEFAULT_CF_SLEEP_TIME, true);<a name="line.250"></a> +<span class="sourceLineNo">251</span> return null;<a name="line.251"></a> +<span class="sourceLineNo">252</span> }<a name="line.252"></a> +<span class="sourceLineNo">253</span> });<a name="line.253"></a> +<span class="sourceLineNo">254</span> }<a name="line.254"></a> +<span class="sourceLineNo">255</span><a name="line.255"></a> +<span class="sourceLineNo">256</span> public static class SparseCellFilter extends FilterBase {<a name="line.256"></a> +<span class="sourceLineNo">257</span><a name="line.257"></a> +<span class="sourceLineNo">258</span> @Override<a name="line.258"></a> +<span class="sourceLineNo">259</span> public ReturnCode filterCell(final Cell v) throws IOException {<a name="line.259"></a> +<span class="sourceLineNo">260</span> try {<a name="line.260"></a> +<span class="sourceLineNo">261</span> Thread.sleep(CLIENT_TIMEOUT / 2 + 100);<a name="line.261"></a> +<span class="sourceLineNo">262</span> } catch (InterruptedException e) {<a name="line.262"></a> +<span class="sourceLineNo">263</span> Thread.currentThread().interrupt();<a name="line.263"></a> +<span class="sourceLineNo">264</span> }<a name="line.264"></a> +<span class="sourceLineNo">265</span> return Bytes.equals(CellUtil.cloneRow(v), ROWS[NUM_ROWS - 1]) ? ReturnCode.INCLUDE<a name="line.265"></a> +<span class="sourceLineNo">266</span> : ReturnCode.SKIP;<a name="line.266"></a> +<span class="sourceLineNo">267</span> }<a name="line.267"></a> +<span class="sourceLineNo">268</span><a name="line.268"></a> +<span class="sourceLineNo">269</span> public static Filter parseFrom(final byte[] pbBytes) {<a name="line.269"></a> +<span class="sourceLineNo">270</span> return new SparseCellFilter();<a name="line.270"></a> +<span class="sourceLineNo">271</span> }<a name="line.271"></a> +<span class="sourceLineNo">272</span> }<a name="line.272"></a> +<span class="sourceLineNo">273</span><a name="line.273"></a> +<span class="sourceLineNo">274</span> public static class SparseRowFilter extends FilterBase {<a name="line.274"></a> +<span class="sourceLineNo">275</span><a name="line.275"></a> +<span class="sourceLineNo">276</span> @Override<a name="line.276"></a> +<span class="sourceLineNo">277</span> public boolean filterRowKey(Cell cell) throws IOException {<a name="line.277"></a> +<span class="sourceLineNo">278</span> try {<a name="line.278"></a> +<span class="sourceLineNo">279</span> Thread.sleep(CLIENT_TIMEOUT / 2 - 100);<a name="line.279"></a> +<span class="sourceLineNo">280</span> } catch (InterruptedException e) {<a name="line.280"></a> +<span class="sourceLineNo">281</span> Thread.currentThread().interrupt();<a name="line.281"></a> +<span class="sourceLineNo">282</span> }<a name="line.282"></a> +<span class="sourceLineNo">283</span> return !Bytes.equals(CellUtil.cloneRow(cell), ROWS[NUM_ROWS - 1]);<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> public static Filter parseFrom(final byte[] pbBytes) {<a name="line.286"></a> +<span class="sourceLineNo">287</span> return new SparseRowFilter();<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><a name="line.290"></a> +<span class="sourceLineNo">291</span> /**<a name="line.291"></a> +<span class="sourceLineNo">292</span> * Test the case that there is a filter which filters most of cells<a name="line.292"></a> +<span class="sourceLineNo">293</span> */<a name="line.293"></a> +<span class="sourceLineNo">294</span> @Test<a name="line.294"></a> +<span class="sourceLineNo">295</span> public void testHeartbeatWithSparseCellFilter() throws Exception {<a name="line.295"></a> +<span class="sourceLineNo">296</span> testImportanceOfHeartbeats(new Callable<Void>() {<a name="line.296"></a> +<span class="sourceLineNo">297</span> @Override<a name="line.297"></a> +<span class="sourceLineNo">298</span> public Void call() throws Exception {<a name="line.298"></a> +<span class="sourceLineNo">299</span> Scan scan = new Scan();<a name="line.299"></a> +<span class="sourceLineNo">300</span> scan.setMaxResultSize(Long.MAX_VALUE);<a name="line.300"></a> +<span class="sourceLineNo">301</span> scan.setCaching(Integer.MAX_VALUE);<a name="line.301"></a> +<span class="sourceLineNo">302</span> scan.setFilter(new SparseCellFilter());<a name="line.302"></a> +<span class="sourceLineNo">303</span> ResultScanner scanner = TABLE.getScanner(scan);<a name="line.303"></a> +<span class="sourceLineNo">304</span> int num = 0;<a name="line.304"></a> +<span class="sourceLineNo">305</span> while (scanner.next() != null) {<a name="line.305"></a> +<span class="sourceLineNo">306</span> num++;<a name="line.306"></a> +<span class="sourceLineNo">307</span> }<a name="line.307"></a> +<span class="sourceLineNo">308</span> assertEquals(1, num);<a name="line.308"></a> +<span class="sourceLineNo">309</span> scanner.close();<a name="line.309"></a> +<span class="sourceLineNo">310</span><a name="line.310"></a> +<span class="sourceLineNo">311</span> scan = new Scan();<a name="line.311"></a> +<span class="sourceLineNo">312</span> scan.setMaxResultSize(Long.MAX_VALUE);<a name="line.312"></a> +<span class="sourceLineNo">313</span> scan.setCaching(Integer.MAX_VALUE);<a name="line.313"></a> +<span class="sourceLineNo">314</span> scan.setFilter(new SparseCellFilter());<a name="line.314"></a> +<span class="sourceLineNo">315</span> scan.setAllowPartialResults(true);<a name="line.315"></a> +<span class="sourceLineNo">316</span> scanner = TABLE.getScanner(scan);<a name="line.316"></a> +<span class="sourceLineNo">317</span> num = 0;<a name="line.317"></a> +<span class="sourceLineNo">318</span> while (scanner.next() != null) {<a name="line.318"></a> +<span class="sourceLineNo">319</span> num++;<a name="line.319"></a> +<span class="sourceLineNo">320</span> }<a name="line.320"></a> +<span class="sourceLineNo">321</span> assertEquals(NUM_FAMILIES * NUM_QUALIFIERS, num);<a name="line.321"></a> +<span class="sourceLineNo">322</span> scanner.close();<a name="line.322"></a> +<span class="sourceLineNo">323</span><a name="line.323"></a> +<span class="sourceLineNo">324</span> return null;<a name="line.324"></a> +<span class="sourceLineNo">325</span> }<a name="line.325"></a> +<span class="sourceLineNo">326</span> });<a name="line.326"></a> +<span class="sourceLineNo">327</span> }<a name="line.327"></a> +<span class="sourceLineNo">328</span><a name="line.328"></a> +<span class="sourceLineNo">329</span> /**<a name="line.329"></a> +<span class="sourceLineNo">330</span> * Test the case that there is a filter which filters most of rows<a name="line.330"></a> +<span class="sourceLineNo">331</span> */<a name="line.331"></a> +<span class="sourceLineNo">332</span> @Test<a name="line.332"></a> +<span class="sourceLineNo">333</span> public void testHeartbeatWithSparseRowFilter() throws Exception {<a name="line.333"></a> +<span class="sourceLineNo">334</span> testImportanceOfHeartbeats(new Callable<Void>() {<a name="line.334"></a> +<span class="sourceLineNo">335</span> @Override<a name="line.335"></a> +<span class="sourceLineNo">336</span> public Void call() throws Exception {<a name="line.336"></a> +<span class="sourceLineNo">337</span> Scan scan = new Scan();<a name="line.337"></a> +<span class="sourceLineNo">338</span> scan.setMaxResultSize(Long.MAX_VALUE);<a name="line.338"></a> +<span class="sourceLineNo">339</span> scan.setCaching(Integer.MAX_VALUE);<a name="line.339"></a> +<span class="sourceLineNo">340</span> scan.setFilter(new SparseRowFilter());<a name="line.340"></a> +<span class="sourceLineNo">341</span> ResultScanner scanner = TABLE.getScanner(scan);<a name="line.341"></a> +<span class="sourceLineNo">342</span> int num = 0;<a name="line.342"></a> +<span class="sourceLineNo">343</span> while (scanner.next() != null) {<a name="line.343"></a> +<span class="sourceLineNo">344</span> num++;<a name="line.344"></a> +<span class="sourceLineNo">345</span> }<a name="line.345"></a> +<span class="sourceLineNo">346</span> assertEquals(1, num);<a name="line.346"></a> +<span class="sourceLineNo">347</span> scanner.close();<a name="line.347"></a> +<span class="sourceLineNo">348</span><a name="line.348"></a> +<span class="sourceLineNo">349</span> return null;<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> }<a name="line.352"></a> +<span class="sourceLineNo">353</span><a name="line.353"></a> +<span class="sourceLineNo">354</span> /**<a name="line.354"></a> +<span class="sourceLineNo">355</span> * Test the equivalence of a scan versus the same scan executed when heartbeat messages are<a name="line.355"></a> +<span class="sourceLineNo">356</span> * necessary<a name="line.356"></a> +<span class="sourceLineNo">357</span> * @param scan The scan configuration being tested<a name="line.357"></a> +<span class="sourceLineNo">358</span> * @param rowSleepTime The time to sleep between fetches of row cells<a name="line.358"></a> +<span class="sourceLineNo">359</span> * @param cfSleepTime The time to sleep between fetches of column family cells<a name="line.359"></a> +<span class="sourceLineNo">360</span> * @param sleepBeforeCf set to true when column family sleeps should occur before the cells for<a name="line.360"></a> +<span class="sourceLineNo">361</span> * that column family are fetched<a name="line.361"></a> +<span class="sourceLineNo">362</span> */<a name="line.362"></a> +<span class="sourceLineNo">363</span> private void testEquivalenceOfScanWithHeartbeats(final Scan scan, int rowSleepTime,<a name="line.363"></a> +<span class="sourceLineNo">364</span> int cfSleepTime, boolean sleepBeforeCf) throws Exception {<a name="line.364"></a> +<span class="sourceLineNo">365</span> disableSleeping();<a name="line.365"></a> +<span class="sourceLineNo">366</span> final ResultScanner scanner = TABLE.getScanner(scan);<a name="line.366"></a> +<span class="sourceLineNo">367</span> final ResultScanner scannerWithHeartbeats = TABLE.getScanner(scan);<a name="line.367"></a> +<span class="sourceLineNo">368</span><a name="line.368"></a> +<span class="sourceLineNo">369</span> Result r1 = null;<a name="line.369"></a> +<span class="sourceLineNo">370</span> Result r2 = null;<a name="line.370"></a> +<span class="sourceLineNo">371</span><a name="line.371"></a> +<span class="sourceLineNo">372</span> while ((r1 = scanner.next()) != null) {<a name="line.372"></a> +<span class="sourceLineNo">373</span> // Enforce the specified sleep conditions during calls to the heartbeat scanner<a name="line.373"></a> +<span class="sourceLineNo">374</span> configureSleepTime(rowSleepTime, cfSleepTime, sleepBeforeCf);<a name="line.374"></a> +<span class="sourceLineNo">375</span> r2 = scannerWithHeartbeats.next();<a name="line.375"></a> +<span class="sourceLineNo">376</span> disableSleeping();<a name="line.376"></a> +<span class="sourceLineNo">377</span><a name="line.377"></a> +<span class="sourceLineNo">378</span> assertTrue(r2 != null);<a name="line.378"></a> +<span class="sourceLineNo">379</span> try {<a name="line.379"></a> +<span class="sourceLineNo">380</span> Result.compareResults(r1, r2);<a name="line.380"></a> +<span class="sourceLineNo">381</span> } catch (Exception e) {<a name="line.381"></a> +<span class="sourceLineNo">382</span> fail(e.getMessage());<a name="line.382"></a> +<span class="sourceLineNo">383</span> }<a name="line.383"></a> +<span class="sourceLineNo">384</span> }<a name="line.384"></a> +<span class="sourceLineNo">385</span><a name="line.385"></a> +<span class="sourceLineNo">386</span> assertTrue(scannerWithHeartbeats.next() == null);<a name="line.386"></a> +<span class="sourceLineNo">387</span> scanner.close();<a name="line.387"></a> +<span class="sourceLineNo">388</span> scannerWithHeartbeats.close();<a name="line.388"></a> +<span class="sourceLineNo">389</span> }<a name="line.389"></a> +<span class="sourceLineNo">390</span><a name="line.390"></a> +<span class="sourceLineNo">391</span> /**<a name="line.391"></a> +<span class="sourceLineNo">392</span> * Helper method for setting the time to sleep between rows and column families. 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Useful for emulating an instance<a name="line.448"></a> +<span class="sourceLineNo">449</span> * where the server is taking a long time to process a client's scan request<a name="line.449"></a> +<span class="sourceLineNo">450</span> */<a name="line.450"></a> +<span class="sourceLineNo">451</span> private static class HeartbeatHRegion extends HRegion {<a name="line.451"></a> +<span class="sourceLineNo">452</span> // Row sleeps occur AFTER each row worth of cells is retrieved.<a name="line.452"></a> +<span class="sourceLineNo">453</span> private static volatile int rowSleepTime = DEFAULT_ROW_SLEEP_TIME;<a name="line.453"></a> +<span class="sourceLineNo">454</span> private static volatile boolean sleepBetweenRows = false;<a name="line.454"></a> +<span class="sourceLineNo">455</span><a name="line.455"></a> +<span class="sourceLineNo">456</span> // The sleep for column families can be initiated before or after we fetch the cells for the<a name="line.456"></a> +<span class="sourceLineNo">457</span> // column family. If the sleep occurs BEFORE then the time limits will be reached inside<a name="line.457"></a> +<span class="sourceLineNo">458</span> // StoreScanner while we are fetching individual cells. If the sleep occurs AFTER then the time<a name="line.458"></a> +<span class="sourceLineNo">459</span> // limit will be reached inside RegionScanner after all the cells for a column family have been<a name="line.459"></a> +<span class="sourceLineNo">460</span> // retrieved.<a name="line.460"></a> +<span class="sourceLineNo">461</span> private static volatile boolean sleepBeforeColumnFamily = false;<a name="line.461"></a> +<span class="sourceLineNo">462</span> private static volatile int columnFamilySleepTime = DEFAULT_CF_SLEEP_TIME;<a name="line.462"></a> +<span class="sourceLineNo">463</span> private static volatile boolean sleepBetweenColumnFamilies = false;<a name="line.463"></a> +<span class="sourceLineNo">464</span><a name="line.464"></a> +<span class="sourceLineNo">465</span> public HeartbeatHRegion(Path tableDir, WAL wal, FileSystem fs, Configuration confParam,<a name="line.465"></a> +<span class="sourceLineNo">466</span> RegionInfo regionInfo, TableDescriptor htd, RegionServerServices rsServices) {<a name="line.466"></a> +<span class="sourceLineNo">467</span> super(tableDir, wal, fs, confParam, regionInfo, htd, rsServices);<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span><a name="line.469"></a> +<span class="sourceLineNo">470</span> public HeartbeatHRegion(HRegionFileSystem fs, WAL wal, Configuration confParam,<a name="line.470"></a> +<span class="sourceLineNo">471</span> TableDescriptor htd, RegionServerServices rsServices) {<a name="line.471"></a> +<span class="sourceLineNo">472</span> super(fs, wal, confParam, htd, rsServices);<a name="line.472"></a> +<span class="sourceLineNo">473</span> }<a name="line.473"></a> +<span class="sourceLineNo">474</span><a name="line.474"></a> +<span class="sourceLineNo">475</span> private static void columnFamilySleep() {<a name="line.475"></a> +<span class="sourceLineNo">476</span> if (sleepBetweenColumnFamilies) {<a name="line.476"></a> +<span class="sourceLineNo">477</span> Threads.sleepWithoutInterrupt(columnFamilySleepTime);<a name="line.477"></a> +<span class="sourceLineNo">478</span> }<a name="line.478"></a> +<span class="sourceLineNo">479</span> }<a name="line.479"></a> +<span class="sourceLineNo">480</span><a name="line.480"></a> +<span class="sourceLineNo">481</span> private static void rowSleep() {<a name="line.481"></a> +<span class="sourceLineNo">482</span> if (sleepBetweenRows) {<a name="line.482"></a> +<span class="sourceLineNo">483</span> Threads.sleepWithoutInterrupt(rowSleepTime);<a name="line.483"></a> +<span class="sourceLineNo">484</span> }<a name="line.484"></a> +<span class="sourceLineNo">485</span> }<a name="line.485"></a> +<span class="sourceLineNo">486</span><a name="line.486"></a> +<span class="sourceLineNo">487</span> // Instantiate the custom heartbeat region scanners<a name="line.487"></a> +<span class="sourceLineNo">488</span> @Override<a name="line.488"></a> +<span class="sourceLineNo">489</span> protected RegionScannerImpl instantiateRegionScanner(Scan scan,<a name="line.489"></a> +<span class="sourceLineNo">490</span> List<KeyValueScanner> additionalScanners, long nonceGroup, long nonce) throws IOException {<a name="line.490"></a> +<span class="sourceLineNo">491</span> if (scan.isReversed()) {<a name="line.491"></a> +<span class="sourceLineNo">492</span> if (scan.getFilter() != null) {<a name="line.492"></a> +<span class="sourceLineNo">493</span> scan.getFilter().setReversed(true);<a name="line.493"></a> +<span class="sourceLineNo">494</span> }<a name="line.494"></a> +<span class="sourceLineNo">495</span> return new HeartbeatReversedRegionScanner(scan, additionalScanners, this);<a name="line.495"></a> +<span class="sourceLineNo">496</span> }<a name="line.496"></a> +<span class="sourceLineNo">497</span> return new HeartbeatRegionScanner(scan, additionalScanners, this);<a name="line.497"></a> +<span class="sourceLineNo">498</span> }<a name="line.498"></a> +<span class="sourceLineNo">499</span> }<a name="line.499"></a> +<span class="sourceLineNo">500</span><a name="line.500"></a> +<span class="sourceLineNo">501</span> /**<a name="line.501"></a> +<span class="sourceLineNo">502</span> * Custom ReversedRegionScanner that can be configured to sleep between retrievals of row Results<a name="line.502"></a> +<span class="sourceLineNo">503</span> * and/or column family cells<a name="line.503"></a> +<span class="sourceLineNo">504</span> */<a name="line.504"></a> +<span class="sourceLineNo">505</span> private static class HeartbeatReversedRegionScanner extends ReversedRegionScannerImpl {<a name="line.505"></a> +<span class="sourceLineNo">506</span> HeartbeatReversedRegionScanner(Scan scan, List<KeyValueScanner> additionalScanners,<a name="line.506"></a> +<span class="sourceLineNo">507</span> HRegion region) throws IOException {<a name="line.507"></a> +<span class="sourceLineNo">508</span> super(scan, additionalScanners, region);<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> @Override<a name="line.511"></a> +<span class="sourceLineNo">512</span> public boolean nextRaw(List<Cell> outResults, ScannerContext context) throws IOException {<a name="line.512"></a> +<span class="sourceLineNo">513</span> boolean moreRows = super.nextRaw(outResults, context);<a name="line.513"></a> +<span class="sourceLineNo">514</span> HeartbeatHRegion.rowSleep();<a name="line.514"></a> +<span class="sourceLineNo">515</span> return moreRows;<a name="line.515"></a> +<span class="sourceLineNo">516</span> }<a name="line.516"></a> +<span class="sourceLineNo">517</span><a name="line.517"></a> +<span class="sourceLineNo">518</span> @Override<a name="line.518"></a> +<span class="sourceLineNo">519</span> protected void initializeKVHeap(List<KeyValueScanner> scanners,<a name="line.519"></a> +<span class="sourceLineNo">520</span> List<KeyValueScanner> joinedScanners, HRegion region) throws IOException {<a name="line.520"></a> +<span class="sourceLineNo">521</span> this.storeHeap =<a name="line.521"></a> +<span class="sourceLineNo">522</span> new HeartbeatReversedKVHeap(scanners, (CellComparatorImpl) region.getCellComparator());<a name="line.522"></a> +<span class="sourceLineNo">523</span> if (!joinedScanners.isEmpty()) {<a name="line.523"></a> +<span class="sourceLineNo">524</span> this.joinedHeap = new HeartbeatReversedKVHeap(joinedScanners,<a name="line.524"></a> +<span class="sourceLineNo">525</span> (CellComparatorImpl) region.getCellComparator());<a name="line.525"></a> +<span class="sourceLineNo">526</span> }<a name="line.526"></a> +<span class="sourceLineNo">527</span> }<a name="line.527"></a> +<span class="sourceLineNo">528</span> }<a name="line.528"></a> +<span class="sourceLineNo">529</span><a name="line.529"></a> +<span class="sourceLineNo">530</span> /**<a name="line.530"></a> +<span class="sourceLineNo">531</span> * Custom RegionScanner that can be configured to sleep between retrievals of row Results and/or<a name="line.531"></a> +<span class="sourceLineNo">532</span> * column family cells<a name="line.532"></a> +<span class="sourceLineNo">533</span> */<a name="line.533"></a> +<span class="sourceLineNo">534</span> private static class HeartbeatRegionScanner extends RegionScannerImpl {<a name="line.534"></a> +<span class="sourceLineNo">535</span> HeartbeatRegionScanner(Scan scan, List<KeyValueScanner> additionalScanners, HRegion region)<a name="line.535"></a> +<span class="sourceLineNo">536</span> throws IOException {<a name="line.536"></a> +<span class="sourceLineNo">537</span> region.super(scan, additionalScanners, region);<a name="line.537"></a> +<span class="sourceLineNo">538</span> }<a name="line.538"></a> +<span class="sourceLineNo">539</span><a name="line.539"></a> +<span class="sourceLineNo">540</span> @Override<a name="line.540"></a> +<span class="sourceLineNo">541</span> public boolean nextRaw(List<Cell> outResults, ScannerContext context) throws IOException {<a name="line.541"></a> +<span class="sourceLineNo">542</span> boolean moreRows = super.nextRaw(outResults, context);<a name="line.542"></a> +<span class="sourceLineNo">543</span> HeartbeatHRegion.rowSleep();<a name="line.543"></a> +<span class="sourceLineNo">544</span> return moreRows;<a name="line.544"></a> +<span class="sourceLineNo">545</span> }<a name="line.545"></a> +<span class="sourceLineNo">546</span><a name="line.546"></a> +<span class="sourceLineNo">547</span> @Override<a name="line.547"></a> +<span class="sourceLineNo">548</span> protected void initializeKVHeap(List<KeyValueScanner> scanners,<a name="line.548"></a> +<span class="sourceLineNo">549</span> List<KeyValueScanner> joinedScanners, HRegion region) throws IOException {<a name="line.549"></a> +<span class="sourceLineNo">550</span> this.storeHeap =<a name="line.550"></a> +<span class="sourceLineNo">551</span> new HeartbeatKVHeap(scanners, region.getCellComparator());<a name="line.551"></a> +<span class="sourceLineNo">552</span> if (!joinedScanners.isEmpty()) {<a name="line.552"></a> +<span class="sourceLineNo">553</span> this.joinedHeap =<a name="line.553"></a> +<span class="sourceLineNo">554</span> new HeartbeatKVHeap(joinedScanners, region.getCellComparator());<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><a name="line.558"></a> +<span class="sourceLineNo">559</span> /**<a name="line.559"></a> +<span class="sourceLineNo">560</span> * Custom KV Heap that can be configured to sleep/wait in between retrievals of column family<a name="line.560"></a> +<span class="sourceLineNo">561</span> * cells. Useful for testing<a name="line.561"></a> +<span class="sourceLineNo">562</span> */<a name="line.562"></a> +<span class="sourceLineNo">563</span> private static final class HeartbeatKVHeap extends KeyValueHeap {<a name="line.563"></a> +<span class="sourceLineNo">564</span> public HeartbeatKVHeap(List<? extends KeyValueScanner> scanners, CellComparator comparator)<a name="line.564"></a> +<span class="sourceLineNo">565</span> throws IOException {<a name="line.565"></a> +<span class="sourceLineNo">566</span> super(scanners, comparator);<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> HeartbeatKVHeap(List<? extends KeyValueScanner> scanners, KVScannerComparator comparator)<a name="line.569"></a> +<span class="sourceLineNo">570</span> throws IOException {<a name="line.570"></a> +<span class="sourceLineNo">571</span> super(scanners, comparator);<a name="line.571"></a> +<span class="sourceLineNo">572</span> }<a name="line.572"></a> +<span class="sourceLineNo">573</span><a name="line.573"></a> +<span class="sourceLineNo">574</span> @Override<a name="line.574"></a> +<span class="sourceLineNo">575</span> public boolean next(List<Cell> result, ScannerContext context) throws IOException {<a name="line.575"></a> +<span class="sourceLineNo">576</span> if (HeartbeatHRegion.sleepBeforeColumnFamily) HeartbeatHRegion.columnFamilySleep();<a name="line.576"></a> +<span class="sourceLineNo">577</span> boolean moreRows = super.next(result, context);<a name="line.577"></a> +<span class="sourceLineNo">578</span> if (!HeartbeatHRegion.sleepBeforeColumnFamily) HeartbeatHRegion.columnFamilySleep();<a name="line.578"></a> +<span class="sourceLineNo">579</span> return moreRows;<a name="line.579"></a> +<span class="sourceLineNo">580</span> }<a name="line.580"></a> +<span class="sourceLineNo">581</span> }<a name="line.581"></a> +<span class="sourceLineNo">582</span><a name="line.582"></a> +<span class="sourceLineNo">583</span> /**<a name="line.583"></a> +<span class="sourceLineNo">584</span> * Custom reversed KV Heap that can be configured to sleep in between retrievals of column family<a name="line.584"></a> +<span class="sourceLineNo">585</span> * cells.<a name="line.585"></a> +<span class="sourceLineNo">586</span> */<a name="line.586"></a> +<span class="sourceLineNo">587</span> private static final class HeartbeatReversedKVHeap extends ReversedKeyValueHeap {<a name="line.587"></a> +<span class="sourceLineNo">588</span> public HeartbeatReversedKVHeap(List<? extends KeyValueScanner> scanners,<a name="line.588"></a> +<span class="sourceLineNo">589</span> CellComparatorImpl comparator) throws IOException {<a name="line.589"></a> +<span class="sourceLineNo">590</span> super(scanners, comparator);<a name="line.590"></a> +<span class="sourceLineNo">591</span> }<a name="line.591"></a> +<span class="sourceLineNo">592</span><a name="line.592"></a> +<span class="sourceLineNo">593</span> @Override<a name="line.593"></a> +<span class="sourceLineNo">594</span> public boolean next(List<Cell> result, ScannerContext context) throws IOException {<a name="line.594"></a> +<span class="sourceLineNo">595</span> if (HeartbeatHRegion.sleepBeforeColumnFamily) HeartbeatHRegion.columnFamilySleep();<a name="line.595"></a> +<span class="sourceLineNo">596</span> boolean moreRows = super.next(result, context);<a name="line.596"></a> +<span class="sourceLineNo">597</span> if (!HeartbeatHRegion.sleepBeforeColumnFamily) HeartbeatHRegion.columnFamilySleep();<a name="line.597"></a> +<span class="sourceLineNo">598</span> return moreRows;<a name="line.598"></a> +<span class="sourceLineNo">599</span> }<a name="line.599"></a> +<span class="sourceLineNo">600</span> }<a name="line.600"></a> +<span class="sourceLineNo">601</span>}<a name="line.601"></a>
