http://git-wip-us.apache.org/repos/asf/hbase-site/blob/fd35fe02/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html index be437fe..003b75b 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReader.html @@ -67,7 +67,7 @@ <span class="sourceLineNo">059</span> private final WALEntryFilter filter;<a name="line.59"></a> <span class="sourceLineNo">060</span> private final ReplicationSource source;<a name="line.60"></a> <span class="sourceLineNo">061</span><a name="line.61"></a> -<span class="sourceLineNo">062</span> protected final BlockingQueue<WALEntryBatch> entryBatchQueue;<a name="line.62"></a> +<span class="sourceLineNo">062</span> private final BlockingQueue<WALEntryBatch> entryBatchQueue;<a name="line.62"></a> <span class="sourceLineNo">063</span> // max (heap) size of each batch - multiply by number of batches in queue to get total<a name="line.63"></a> <span class="sourceLineNo">064</span> private final long replicationBatchSizeCapacity;<a name="line.64"></a> <span class="sourceLineNo">065</span> // max count of each batch - multiply by number of batches in queue to get total<a name="line.65"></a> @@ -138,17 +138,17 @@ <span class="sourceLineNo">130</span> continue;<a name="line.130"></a> <span class="sourceLineNo">131</span> }<a name="line.131"></a> <span class="sourceLineNo">132</span> WALEntryBatch batch = readWALEntries(entryStream);<a name="line.132"></a> -<span class="sourceLineNo">133</span> if (batch != null) {<a name="line.133"></a> -<span class="sourceLineNo">134</span> // need to propagate the batch even it has no entries since it may carry the last<a name="line.134"></a> -<span class="sourceLineNo">135</span> // sequence id information for serial replication.<a name="line.135"></a> -<span class="sourceLineNo">136</span> LOG.trace("Read {} WAL entries eligible for replication", batch.getNbEntries());<a name="line.136"></a> -<span class="sourceLineNo">137</span> entryBatchQueue.put(batch);<a name="line.137"></a> -<span class="sourceLineNo">138</span> sleepMultiplier = 1;<a name="line.138"></a> -<span class="sourceLineNo">139</span> } else { // got no entries and didn't advance position in WAL<a name="line.139"></a> -<span class="sourceLineNo">140</span> handleEmptyWALEntryBatch(entryStream.getCurrentPath());<a name="line.140"></a> -<span class="sourceLineNo">141</span> }<a name="line.141"></a> -<span class="sourceLineNo">142</span> currentPosition = entryStream.getPosition();<a name="line.142"></a> -<span class="sourceLineNo">143</span> entryStream.reset(); // reuse stream<a name="line.143"></a> +<span class="sourceLineNo">133</span> currentPosition = entryStream.getPosition();<a name="line.133"></a> +<span class="sourceLineNo">134</span> if (batch != null) {<a name="line.134"></a> +<span class="sourceLineNo">135</span> // need to propagate the batch even it has no entries since it may carry the last<a name="line.135"></a> +<span class="sourceLineNo">136</span> // sequence id information for serial replication.<a name="line.136"></a> +<span class="sourceLineNo">137</span> LOG.trace("Read {} WAL entries eligible for replication", batch.getNbEntries());<a name="line.137"></a> +<span class="sourceLineNo">138</span> entryBatchQueue.put(batch);<a name="line.138"></a> +<span class="sourceLineNo">139</span> sleepMultiplier = 1;<a name="line.139"></a> +<span class="sourceLineNo">140</span> } else { // got no entries and didn't advance position in WAL<a name="line.140"></a> +<span class="sourceLineNo">141</span> handleEmptyWALEntryBatch(entryStream.getCurrentPath());<a name="line.141"></a> +<span class="sourceLineNo">142</span> entryStream.reset(); // reuse stream<a name="line.142"></a> +<span class="sourceLineNo">143</span> }<a name="line.143"></a> <span class="sourceLineNo">144</span> }<a name="line.144"></a> <span class="sourceLineNo">145</span> } catch (IOException e) { // stream related<a name="line.145"></a> <span class="sourceLineNo">146</span> if (sleepMultiplier < maxRetriesMultiplier) {<a name="line.146"></a> @@ -181,195 +181,229 @@ <span class="sourceLineNo">173</span> batch.getNbEntries() >= replicationBatchCountCapacity;<a name="line.173"></a> <span class="sourceLineNo">174</span> }<a name="line.174"></a> <span class="sourceLineNo">175</span><a name="line.175"></a> -<span class="sourceLineNo">176</span> protected WALEntryBatch readWALEntries(WALEntryStream entryStream)<a name="line.176"></a> -<span class="sourceLineNo">177</span> throws IOException, InterruptedException {<a name="line.177"></a> -<span class="sourceLineNo">178</span> if (!entryStream.hasNext()) {<a name="line.178"></a> -<span class="sourceLineNo">179</span> return null;<a name="line.179"></a> -<span class="sourceLineNo">180</span> }<a name="line.180"></a> -<span class="sourceLineNo">181</span> WALEntryBatch batch = createBatch(entryStream);<a name="line.181"></a> -<span class="sourceLineNo">182</span> do {<a name="line.182"></a> -<span class="sourceLineNo">183</span> Entry entry = entryStream.next();<a name="line.183"></a> -<span class="sourceLineNo">184</span> batch.setLastWalPosition(entryStream.getPosition());<a name="line.184"></a> -<span class="sourceLineNo">185</span> entry = filterEntry(entry);<a name="line.185"></a> -<span class="sourceLineNo">186</span> if (entry != null) {<a name="line.186"></a> -<span class="sourceLineNo">187</span> if (addEntryToBatch(batch, entry)) {<a name="line.187"></a> -<span class="sourceLineNo">188</span> break;<a name="line.188"></a> -<span class="sourceLineNo">189</span> }<a name="line.189"></a> -<span class="sourceLineNo">190</span> }<a name="line.190"></a> -<span class="sourceLineNo">191</span> } while (entryStream.hasNext());<a name="line.191"></a> -<span class="sourceLineNo">192</span> return batch;<a name="line.192"></a> -<span class="sourceLineNo">193</span> }<a name="line.193"></a> -<span class="sourceLineNo">194</span><a name="line.194"></a> -<span class="sourceLineNo">195</span> protected void handleEmptyWALEntryBatch(Path currentPath) throws InterruptedException {<a name="line.195"></a> -<span class="sourceLineNo">196</span> LOG.trace("Didn't read any new entries from WAL");<a name="line.196"></a> -<span class="sourceLineNo">197</span> Thread.sleep(sleepForRetries);<a name="line.197"></a> -<span class="sourceLineNo">198</span> }<a name="line.198"></a> -<span class="sourceLineNo">199</span><a name="line.199"></a> -<span class="sourceLineNo">200</span> // if we get an EOF due to a zero-length log, and there are other logs in queue<a name="line.200"></a> -<span class="sourceLineNo">201</span> // (highly likely we've closed the current log), we've hit the max retries, and autorecovery is<a name="line.201"></a> -<span class="sourceLineNo">202</span> // enabled, then dump the log<a name="line.202"></a> -<span class="sourceLineNo">203</span> private void handleEofException(IOException e) {<a name="line.203"></a> -<span class="sourceLineNo">204</span> if ((e instanceof EOFException || e.getCause() instanceof EOFException) &&<a name="line.204"></a> -<span class="sourceLineNo">205</span> logQueue.size() > 1 && this.eofAutoRecovery) {<a name="line.205"></a> -<span class="sourceLineNo">206</span> try {<a name="line.206"></a> -<span class="sourceLineNo">207</span> if (fs.getFileStatus(logQueue.peek()).getLen() == 0) {<a name="line.207"></a> -<span class="sourceLineNo">208</span> LOG.warn("Forcing removal of 0 length log in queue: " + logQueue.peek());<a name="line.208"></a> -<span class="sourceLineNo">209</span> logQueue.remove();<a name="line.209"></a> -<span class="sourceLineNo">210</span> currentPosition = 0;<a name="line.210"></a> -<span class="sourceLineNo">211</span> }<a name="line.211"></a> -<span class="sourceLineNo">212</span> } catch (IOException ioe) {<a name="line.212"></a> -<span class="sourceLineNo">213</span> LOG.warn("Couldn't get file length information about log " + logQueue.peek());<a name="line.213"></a> +<span class="sourceLineNo">176</span> protected static final boolean switched(WALEntryStream entryStream, Path path) {<a name="line.176"></a> +<span class="sourceLineNo">177</span> return !path.equals(entryStream.getCurrentPath());<a name="line.177"></a> +<span class="sourceLineNo">178</span> }<a name="line.178"></a> +<span class="sourceLineNo">179</span><a name="line.179"></a> +<span class="sourceLineNo">180</span> protected WALEntryBatch readWALEntries(WALEntryStream entryStream)<a name="line.180"></a> +<span class="sourceLineNo">181</span> throws IOException, InterruptedException {<a name="line.181"></a> +<span class="sourceLineNo">182</span> Path currentPath = entryStream.getCurrentPath();<a name="line.182"></a> +<span class="sourceLineNo">183</span> if (!entryStream.hasNext()) {<a name="line.183"></a> +<span class="sourceLineNo">184</span> // check whether we have switched a file<a name="line.184"></a> +<span class="sourceLineNo">185</span> if (currentPath != null && switched(entryStream, currentPath)) {<a name="line.185"></a> +<span class="sourceLineNo">186</span> return WALEntryBatch.endOfFile(currentPath);<a name="line.186"></a> +<span class="sourceLineNo">187</span> } else {<a name="line.187"></a> +<span class="sourceLineNo">188</span> return null;<a name="line.188"></a> +<span class="sourceLineNo">189</span> }<a name="line.189"></a> +<span class="sourceLineNo">190</span> }<a name="line.190"></a> +<span class="sourceLineNo">191</span> if (currentPath != null) {<a name="line.191"></a> +<span class="sourceLineNo">192</span> if (switched(entryStream, currentPath)) {<a name="line.192"></a> +<span class="sourceLineNo">193</span> return WALEntryBatch.endOfFile(currentPath);<a name="line.193"></a> +<span class="sourceLineNo">194</span> }<a name="line.194"></a> +<span class="sourceLineNo">195</span> } else {<a name="line.195"></a> +<span class="sourceLineNo">196</span> // when reading from the entry stream first time we will enter here<a name="line.196"></a> +<span class="sourceLineNo">197</span> currentPath = entryStream.getCurrentPath();<a name="line.197"></a> +<span class="sourceLineNo">198</span> }<a name="line.198"></a> +<span class="sourceLineNo">199</span> WALEntryBatch batch = createBatch(entryStream);<a name="line.199"></a> +<span class="sourceLineNo">200</span> for (;;) {<a name="line.200"></a> +<span class="sourceLineNo">201</span> Entry entry = entryStream.next();<a name="line.201"></a> +<span class="sourceLineNo">202</span> batch.setLastWalPosition(entryStream.getPosition());<a name="line.202"></a> +<span class="sourceLineNo">203</span> entry = filterEntry(entry);<a name="line.203"></a> +<span class="sourceLineNo">204</span> if (entry != null) {<a name="line.204"></a> +<span class="sourceLineNo">205</span> if (addEntryToBatch(batch, entry)) {<a name="line.205"></a> +<span class="sourceLineNo">206</span> break;<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> boolean hasNext = entryStream.hasNext();<a name="line.209"></a> +<span class="sourceLineNo">210</span> // always return if we have switched to a new file<a name="line.210"></a> +<span class="sourceLineNo">211</span> if (switched(entryStream, currentPath)) {<a name="line.211"></a> +<span class="sourceLineNo">212</span> batch.setEndOfFile(true);<a name="line.212"></a> +<span class="sourceLineNo">213</span> break;<a name="line.213"></a> <span class="sourceLineNo">214</span> }<a name="line.214"></a> -<span class="sourceLineNo">215</span> }<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> public Path getCurrentPath() {<a name="line.218"></a> -<span class="sourceLineNo">219</span> // if we've read some WAL entries, get the Path we read from<a name="line.219"></a> -<span class="sourceLineNo">220</span> WALEntryBatch batchQueueHead = entryBatchQueue.peek();<a name="line.220"></a> -<span class="sourceLineNo">221</span> if (batchQueueHead != null) {<a name="line.221"></a> -<span class="sourceLineNo">222</span> return batchQueueHead.getLastWalPath();<a name="line.222"></a> -<span class="sourceLineNo">223</span> }<a name="line.223"></a> -<span class="sourceLineNo">224</span> // otherwise, we must be currently reading from the head of the log queue<a name="line.224"></a> -<span class="sourceLineNo">225</span> return logQueue.peek();<a name="line.225"></a> -<span class="sourceLineNo">226</span> }<a name="line.226"></a> -<span class="sourceLineNo">227</span><a name="line.227"></a> -<span class="sourceLineNo">228</span> //returns false if we've already exceeded the global quota<a name="line.228"></a> -<span class="sourceLineNo">229</span> private boolean checkQuota() {<a name="line.229"></a> -<span class="sourceLineNo">230</span> // try not to go over total quota<a name="line.230"></a> -<span class="sourceLineNo">231</span> if (totalBufferUsed.get() > totalBufferQuota) {<a name="line.231"></a> -<span class="sourceLineNo">232</span> Threads.sleep(sleepForRetries);<a name="line.232"></a> -<span class="sourceLineNo">233</span> return false;<a name="line.233"></a> -<span class="sourceLineNo">234</span> }<a name="line.234"></a> -<span class="sourceLineNo">235</span> return true;<a name="line.235"></a> -<span class="sourceLineNo">236</span> }<a 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class="sourceLineNo">247</span> return filtered;<a name="line.247"></a> -<span class="sourceLineNo">248</span> }<a name="line.248"></a> -<span class="sourceLineNo">249</span><a name="line.249"></a> -<span class="sourceLineNo">250</span> /**<a name="line.250"></a> -<span class="sourceLineNo">251</span> * Retrieves the next batch of WAL entries from the queue, waiting up to the specified time for a<a name="line.251"></a> -<span class="sourceLineNo">252</span> * batch to become available<a name="line.252"></a> -<span class="sourceLineNo">253</span> * @return A batch of entries, along with the position in the log after reading the batch<a name="line.253"></a> -<span class="sourceLineNo">254</span> * @throws InterruptedException if interrupted while waiting<a name="line.254"></a> -<span class="sourceLineNo">255</span> */<a name="line.255"></a> -<span class="sourceLineNo">256</span> public WALEntryBatch take() throws InterruptedException {<a name="line.256"></a> -<span 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-<span class="sourceLineNo">268</span> Pair<Integer, Integer> nbRowsAndHFiles = countDistinctRowKeysAndHFiles(edit);<a name="line.268"></a> -<span class="sourceLineNo">269</span> batch.incrementNbRowKeys(nbRowsAndHFiles.getFirst());<a name="line.269"></a> -<span class="sourceLineNo">270</span> batch.incrementNbHFiles(nbRowsAndHFiles.getSecond());<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> * Count the number of different row keys in the given edit because of mini-batching. 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"<a name="line.297"></a> -<span class="sourceLineNo">298</span> + "Then its hfiles count will not be added into metric.");<a name="line.298"></a> -<span class="sourceLineNo">299</span> }<a name="line.299"></a> -<span class="sourceLineNo">300</span> }<a name="line.300"></a> -<span class="sourceLineNo">301</span><a name="line.301"></a> -<span class="sourceLineNo">302</span> if (!CellUtil.matchingRows(cells.get(i), lastCell)) {<a name="line.302"></a> -<span class="sourceLineNo">303</span> distinctRowKeys++;<a name="line.303"></a> -<span class="sourceLineNo">304</span> }<a name="line.304"></a> -<span class="sourceLineNo">305</span> lastCell = cells.get(i);<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> Pair<Integer, Integer> result = new Pair<>(distinctRowKeys, totalHFileEntries);<a name="line.308"></a> -<span class="sourceLineNo">309</span> return result;<a name="line.309"></a> -<span class="sourceLineNo">310</span> }<a name="line.310"></a> -<span class="sourceLineNo">311</span><a name="line.311"></a> -<span class="sourceLineNo">312</span> /**<a name="line.312"></a> -<span class="sourceLineNo">313</span> * Calculate the total size of all the store files<a name="line.313"></a> -<span class="sourceLineNo">314</span> * @param edit edit to count row keys from<a name="line.314"></a> -<span class="sourceLineNo">315</span> * @return the total size of the store files<a name="line.315"></a> -<span class="sourceLineNo">316</span> */<a name="line.316"></a> -<span class="sourceLineNo">317</span> private int calculateTotalSizeOfStoreFiles(WALEdit edit) {<a name="line.317"></a> -<span class="sourceLineNo">318</span> List<Cell> cells = edit.getCells();<a name="line.318"></a> -<span class="sourceLineNo">319</span> int totalStoreFilesSize = 0;<a name="line.319"></a> -<span class="sourceLineNo">320</span><a name="line.320"></a> -<span class="sourceLineNo">321</span> int totalCells = edit.size();<a name="line.321"></a> -<span class="sourceLineNo">322</span> for (int i = 0; i < totalCells; i++) {<a name="line.322"></a> -<span class="sourceLineNo">323</span> if (CellUtil.matchingQualifier(cells.get(i), WALEdit.BULK_LOAD)) {<a name="line.323"></a> -<span class="sourceLineNo">324</span> try {<a name="line.324"></a> -<span class="sourceLineNo">325</span> BulkLoadDescriptor bld = WALEdit.getBulkLoadDescriptor(cells.get(i));<a name="line.325"></a> -<span class="sourceLineNo">326</span> List<StoreDescriptor> stores = bld.getStoresList();<a name="line.326"></a> -<span class="sourceLineNo">327</span> int totalStores = stores.size();<a name="line.327"></a> -<span class="sourceLineNo">328</span> for (int j = 0; j < totalStores; j++) {<a name="line.328"></a> -<span class="sourceLineNo">329</span> totalStoreFilesSize =<a name="line.329"></a> -<span class="sourceLineNo">330</span> (int) (totalStoreFilesSize + stores.get(j).getStoreFileSizeBytes());<a name="line.330"></a> -<span class="sourceLineNo">331</span> }<a name="line.331"></a> -<span class="sourceLineNo">332</span> } catch (IOException e) {<a name="line.332"></a> -<span class="sourceLineNo">333</span> LOG.error("Failed to deserialize bulk load entry from wal edit. 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name="line.222"></a> +<span class="sourceLineNo">223</span> LOG.trace("Didn't read any new entries from WAL");<a name="line.223"></a> +<span class="sourceLineNo">224</span> if (source.isRecovered()) {<a name="line.224"></a> +<span class="sourceLineNo">225</span> // we're done with queue recovery, shut ourself down<a name="line.225"></a> +<span class="sourceLineNo">226</span> setReaderRunning(false);<a name="line.226"></a> +<span class="sourceLineNo">227</span> // shuts down shipper thread immediately<a name="line.227"></a> +<span class="sourceLineNo">228</span> entryBatchQueue.put(WALEntryBatch.NO_MORE_DATA);<a name="line.228"></a> +<span class="sourceLineNo">229</span> } else {<a name="line.229"></a> +<span class="sourceLineNo">230</span> Thread.sleep(sleepForRetries);<a name="line.230"></a> +<span class="sourceLineNo">231</span> }<a name="line.231"></a> +<span class="sourceLineNo">232</span> }<a name="line.232"></a> +<span class="sourceLineNo">233</span><a name="line.233"></a> +<span class="sourceLineNo">234</span> // if we get an EOF due to a zero-length log, and there are other logs in queue<a name="line.234"></a> +<span class="sourceLineNo">235</span> // (highly likely we've closed the current log), we've hit the max retries, and autorecovery is<a name="line.235"></a> +<span class="sourceLineNo">236</span> // enabled, then dump the log<a name="line.236"></a> +<span class="sourceLineNo">237</span> private void handleEofException(IOException e) {<a name="line.237"></a> +<span class="sourceLineNo">238</span> if ((e instanceof EOFException || e.getCause() instanceof EOFException) &&<a name="line.238"></a> +<span class="sourceLineNo">239</span> logQueue.size() > 1 && this.eofAutoRecovery) {<a name="line.239"></a> +<span class="sourceLineNo">240</span> try {<a name="line.240"></a> +<span class="sourceLineNo">241</span> if (fs.getFileStatus(logQueue.peek()).getLen() == 0) {<a name="line.241"></a> +<span class="sourceLineNo">242</span> LOG.warn("Forcing removal of 0 length log in queue: " + logQueue.peek());<a name="line.242"></a> +<span class="sourceLineNo">243</span> logQueue.remove();<a name="line.243"></a> +<span class="sourceLineNo">244</span> currentPosition = 0;<a name="line.244"></a> +<span class="sourceLineNo">245</span> }<a name="line.245"></a> +<span class="sourceLineNo">246</span> } catch (IOException ioe) {<a name="line.246"></a> +<span class="sourceLineNo">247</span> LOG.warn("Couldn't get file length information about log " + logQueue.peek());<a name="line.247"></a> +<span class="sourceLineNo">248</span> }<a name="line.248"></a> +<span class="sourceLineNo">249</span> }<a name="line.249"></a> +<span class="sourceLineNo">250</span> }<a name="line.250"></a> +<span class="sourceLineNo">251</span><a name="line.251"></a> +<span class="sourceLineNo">252</span> public Path getCurrentPath() {<a name="line.252"></a> +<span class="sourceLineNo">253</span> // if we've read some WAL entries, get the Path we read from<a name="line.253"></a> 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class="sourceLineNo">276</span> protected final Entry filterEntry(Entry entry) {<a name="line.276"></a> +<span class="sourceLineNo">277</span> Entry filtered = filter.filter(entry);<a name="line.277"></a> +<span class="sourceLineNo">278</span> if (entry != null && filtered == null) {<a name="line.278"></a> +<span class="sourceLineNo">279</span> source.getSourceMetrics().incrLogEditsFiltered();<a name="line.279"></a> +<span class="sourceLineNo">280</span> }<a name="line.280"></a> +<span class="sourceLineNo">281</span> return filtered;<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> * Retrieves the next batch of WAL entries from the queue, waiting up to the specified time for a<a name="line.285"></a> +<span class="sourceLineNo">286</span> * batch to become available<a name="line.286"></a> +<span class="sourceLineNo">287</span> * @return A batch of entries, along with the position in the log after reading the batch<a name="line.287"></a> +<span class="sourceLineNo">288</span> * @throws InterruptedException if interrupted while waiting<a name="line.288"></a> +<span class="sourceLineNo">289</span> */<a name="line.289"></a> +<span class="sourceLineNo">290</span> public WALEntryBatch take() throws InterruptedException {<a name="line.290"></a> +<span class="sourceLineNo">291</span> return entryBatchQueue.take();<a name="line.291"></a> +<span class="sourceLineNo">292</span> }<a name="line.292"></a> +<span class="sourceLineNo">293</span><a name="line.293"></a> +<span class="sourceLineNo">294</span> private long getEntrySize(Entry entry) {<a name="line.294"></a> +<span class="sourceLineNo">295</span> WALEdit edit = entry.getEdit();<a name="line.295"></a> +<span class="sourceLineNo">296</span> return edit.heapSize() + calculateTotalSizeOfStoreFiles(edit);<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a name="line.297"></a> +<span class="sourceLineNo">298</span><a name="line.298"></a> +<span class="sourceLineNo">299</span> private void updateBatchStats(WALEntryBatch batch, Entry entry, long entrySize) {<a name="line.299"></a> +<span class="sourceLineNo">300</span> WALEdit edit = entry.getEdit();<a name="line.300"></a> +<span class="sourceLineNo">301</span> batch.incrementHeapSize(entrySize);<a name="line.301"></a> +<span class="sourceLineNo">302</span> Pair<Integer, Integer> nbRowsAndHFiles = countDistinctRowKeysAndHFiles(edit);<a name="line.302"></a> +<span class="sourceLineNo">303</span> batch.incrementNbRowKeys(nbRowsAndHFiles.getFirst());<a name="line.303"></a> +<span class="sourceLineNo">304</span> batch.incrementNbHFiles(nbRowsAndHFiles.getSecond());<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> * Count the number of different row keys in the given edit because of mini-batching. We assume<a name="line.308"></a> +<span class="sourceLineNo">309</span> * that there's at least one Cell in the WALEdit.<a name="line.309"></a> +<span class="sourceLineNo">310</span> * @param edit edit to count row keys from<a name="line.310"></a> +<span class="sourceLineNo">311</span> * @return number of different row keys and HFiles<a name="line.311"></a> +<span class="sourceLineNo">312</span> */<a name="line.312"></a> +<span class="sourceLineNo">313</span> private Pair<Integer, Integer> countDistinctRowKeysAndHFiles(WALEdit edit) {<a name="line.313"></a> +<span class="sourceLineNo">314</span> List<Cell> cells = edit.getCells();<a name="line.314"></a> +<span class="sourceLineNo">315</span> int distinctRowKeys = 1;<a name="line.315"></a> +<span class="sourceLineNo">316</span> int totalHFileEntries = 0;<a name="line.316"></a> +<span class="sourceLineNo">317</span> Cell lastCell = cells.get(0);<a name="line.317"></a> +<span class="sourceLineNo">318</span><a name="line.318"></a> +<span class="sourceLineNo">319</span> int totalCells = edit.size();<a name="line.319"></a> +<span class="sourceLineNo">320</span> for (int i = 0; i < totalCells; i++) {<a name="line.320"></a> +<span class="sourceLineNo">321</span> // Count HFiles to be replicated<a name="line.321"></a> +<span class="sourceLineNo">322</span> if (CellUtil.matchingQualifier(cells.get(i), WALEdit.BULK_LOAD)) {<a name="line.322"></a> +<span class="sourceLineNo">323</span> try {<a name="line.323"></a> +<span class="sourceLineNo">324</span> BulkLoadDescriptor bld = WALEdit.getBulkLoadDescriptor(cells.get(i));<a name="line.324"></a> +<span class="sourceLineNo">325</span> List<StoreDescriptor> stores = bld.getStoresList();<a name="line.325"></a> +<span class="sourceLineNo">326</span> int totalStores = stores.size();<a name="line.326"></a> +<span class="sourceLineNo">327</span> for (int j = 0; j < totalStores; j++) {<a name="line.327"></a> +<span class="sourceLineNo">328</span> totalHFileEntries += stores.get(j).getStoreFileList().size();<a name="line.328"></a> +<span class="sourceLineNo">329</span> }<a name="line.329"></a> +<span class="sourceLineNo">330</span> } catch (IOException e) {<a name="line.330"></a> +<span class="sourceLineNo">331</span> LOG.error("Failed to deserialize bulk load entry from wal edit. "<a name="line.331"></a> +<span class="sourceLineNo">332</span> + "Then its hfiles count will not be added into metric.");<a name="line.332"></a> +<span class="sourceLineNo">333</span> }<a name="line.333"></a> +<span class="sourceLineNo">334</span> }<a name="line.334"></a> +<span class="sourceLineNo">335</span><a name="line.335"></a> +<span class="sourceLineNo">336</span> if (!CellUtil.matchingRows(cells.get(i), lastCell)) {<a name="line.336"></a> +<span class="sourceLineNo">337</span> distinctRowKeys++;<a name="line.337"></a> <span class="sourceLineNo">338</span> }<a name="line.338"></a> -<span class="sourceLineNo">339</span> }<a name="line.339"></a> -<span class="sourceLineNo">340</span> return totalStoreFilesSize;<a name="line.340"></a> -<span class="sourceLineNo">341</span> }<a name="line.341"></a> -<span class="sourceLineNo">342</span><a name="line.342"></a> -<span class="sourceLineNo">343</span> /**<a name="line.343"></a> -<span class="sourceLineNo">344</span> * @param size delta size for grown buffer<a name="line.344"></a> -<span class="sourceLineNo">345</span> * @return true if we should clear buffer and push all<a name="line.345"></a> -<span class="sourceLineNo">346</span> */<a name="line.346"></a> -<span class="sourceLineNo">347</span> private boolean acquireBufferQuota(long size) {<a name="line.347"></a> -<span class="sourceLineNo">348</span> return totalBufferUsed.addAndGet(size) >= totalBufferQuota;<a name="line.348"></a> -<span class="sourceLineNo">349</span> }<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> * @return whether the reader thread is running<a name="line.352"></a> -<span class="sourceLineNo">353</span> */<a name="line.353"></a> -<span class="sourceLineNo">354</span> public boolean isReaderRunning() {<a name="line.354"></a> -<span class="sourceLineNo">355</span> return isReaderRunning && !isInterrupted();<a name="line.355"></a> -<span class="sourceLineNo">356</span> }<a name="line.356"></a> -<span class="sourceLineNo">357</span><a name="line.357"></a> -<span class="sourceLineNo">358</span> /**<a name="line.358"></a> -<span class="sourceLineNo">359</span> * @param readerRunning the readerRunning to set<a name="line.359"></a> -<span class="sourceLineNo">360</span> */<a name="line.360"></a> -<span class="sourceLineNo">361</span> public void setReaderRunning(boolean readerRunning) {<a name="line.361"></a> -<span class="sourceLineNo">362</span> this.isReaderRunning = readerRunning;<a name="line.362"></a> -<span class="sourceLineNo">363</span> }<a name="line.363"></a> -<span class="sourceLineNo">364</span>}<a name="line.364"></a> +<span class="sourceLineNo">339</span> lastCell = cells.get(i);<a name="line.339"></a> +<span class="sourceLineNo">340</span> }<a name="line.340"></a> +<span class="sourceLineNo">341</span><a name="line.341"></a> +<span class="sourceLineNo">342</span> Pair<Integer, Integer> result = new Pair<>(distinctRowKeys, totalHFileEntries);<a name="line.342"></a> +<span class="sourceLineNo">343</span> return result;<a name="line.343"></a> +<span class="sourceLineNo">344</span> }<a name="line.344"></a> +<span class="sourceLineNo">345</span><a name="line.345"></a> +<span class="sourceLineNo">346</span> /**<a name="line.346"></a> +<span class="sourceLineNo">347</span> * Calculate the total size of all the store files<a name="line.347"></a> +<span class="sourceLineNo">348</span> * @param edit edit to count row keys from<a name="line.348"></a> +<span class="sourceLineNo">349</span> * @return the total size of the store files<a name="line.349"></a> +<span class="sourceLineNo">350</span> */<a name="line.350"></a> +<span class="sourceLineNo">351</span> private int calculateTotalSizeOfStoreFiles(WALEdit edit) {<a name="line.351"></a> +<span class="sourceLineNo">352</span> List<Cell> cells = edit.getCells();<a name="line.352"></a> +<span class="sourceLineNo">353</span> int totalStoreFilesSize = 0;<a name="line.353"></a> +<span class="sourceLineNo">354</span><a name="line.354"></a> +<span class="sourceLineNo">355</span> int totalCells = edit.size();<a name="line.355"></a> +<span class="sourceLineNo">356</span> for (int i = 0; i < totalCells; i++) {<a name="line.356"></a> +<span class="sourceLineNo">357</span> if (CellUtil.matchingQualifier(cells.get(i), WALEdit.BULK_LOAD)) {<a name="line.357"></a> +<span class="sourceLineNo">358</span> try {<a name="line.358"></a> +<span class="sourceLineNo">359</span> BulkLoadDescriptor bld = WALEdit.getBulkLoadDescriptor(cells.get(i));<a name="line.359"></a> +<span class="sourceLineNo">360</span> List<StoreDescriptor> stores = bld.getStoresList();<a name="line.360"></a> +<span class="sourceLineNo">361</span> int totalStores = stores.size();<a name="line.361"></a> +<span class="sourceLineNo">362</span> for (int j = 0; j < totalStores; j++) {<a name="line.362"></a> +<span class="sourceLineNo">363</span> totalStoreFilesSize =<a name="line.363"></a> +<span class="sourceLineNo">364</span> (int) (totalStoreFilesSize + stores.get(j).getStoreFileSizeBytes());<a name="line.364"></a> +<span class="sourceLineNo">365</span> }<a name="line.365"></a> +<span class="sourceLineNo">366</span> } catch (IOException e) {<a name="line.366"></a> +<span class="sourceLineNo">367</span> LOG.error("Failed to deserialize bulk load entry from wal edit. "<a name="line.367"></a> +<span class="sourceLineNo">368</span> + "Size of HFiles part of cell will not be considered in replication "<a name="line.368"></a> +<span class="sourceLineNo">369</span> + "request size calculation.",<a name="line.369"></a> +<span class="sourceLineNo">370</span> e);<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> return totalStoreFilesSize;<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> /**<a name="line.377"></a> +<span class="sourceLineNo">378</span> * @param size delta size for grown buffer<a name="line.378"></a> +<span class="sourceLineNo">379</span> * @return true if we should clear buffer and push all<a name="line.379"></a> +<span class="sourceLineNo">380</span> */<a name="line.380"></a> +<span class="sourceLineNo">381</span> private boolean acquireBufferQuota(long size) {<a name="line.381"></a> +<span class="sourceLineNo">382</span> return totalBufferUsed.addAndGet(size) >= totalBufferQuota;<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> * @return whether the reader thread is running<a name="line.386"></a> +<span class="sourceLineNo">387</span> */<a name="line.387"></a> +<span class="sourceLineNo">388</span> public boolean isReaderRunning() {<a name="line.388"></a> +<span class="sourceLineNo">389</span> return isReaderRunning && !isInterrupted();<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> /**<a name="line.392"></a> +<span class="sourceLineNo">393</span> * @param readerRunning the readerRunning to set<a name="line.393"></a> +<span class="sourceLineNo">394</span> */<a name="line.394"></a> +<span class="sourceLineNo">395</span> public void setReaderRunning(boolean readerRunning) {<a name="line.395"></a> +<span class="sourceLineNo">396</span> this.isReaderRunning = readerRunning;<a name="line.396"></a> +<span class="sourceLineNo">397</span> }<a name="line.397"></a> +<span class="sourceLineNo">398</span>}<a name="line.398"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/fd35fe02/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/SerialReplicationSourceWALReader.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/SerialReplicationSourceWALReader.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/SerialReplicationSourceWALReader.html index ea32535..3608a52 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/SerialReplicationSourceWALReader.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/SerialReplicationSourceWALReader.html @@ -61,63 +61,86 @@ <span class="sourceLineNo">053</span> @Override<a name="line.53"></a> <span class="sourceLineNo">054</span> protected WALEntryBatch readWALEntries(WALEntryStream entryStream)<a name="line.54"></a> <span class="sourceLineNo">055</span> throws IOException, InterruptedException {<a name="line.55"></a> -<span class="sourceLineNo">056</span> if (!entryStream.hasNext()) {<a name="line.56"></a> -<span class="sourceLineNo">057</span> return null;<a name="line.57"></a> -<span class="sourceLineNo">058</span> }<a name="line.58"></a> -<span class="sourceLineNo">059</span> long positionBefore = entryStream.getPosition();<a name="line.59"></a> -<span class="sourceLineNo">060</span> WALEntryBatch batch = createBatch(entryStream);<a name="line.60"></a> -<span class="sourceLineNo">061</span> do {<a name="line.61"></a> -<span class="sourceLineNo">062</span> Entry entry = entryStream.peek();<a name="line.62"></a> -<span class="sourceLineNo">063</span> boolean doFiltering = true;<a name="line.63"></a> -<span class="sourceLineNo">064</span> if (firstCellInEntryBeforeFiltering == null) {<a name="line.64"></a> -<span class="sourceLineNo">065</span> assert !entry.getEdit().isEmpty() : "should not write empty edits";<a name="line.65"></a> -<span class="sourceLineNo">066</span> // Used to locate the region record in meta table. In WAL we only have the table name and<a name="line.66"></a> -<span class="sourceLineNo">067</span> // encoded region name which can not be mapping to region name without scanning all the<a name="line.67"></a> -<span class="sourceLineNo">068</span> // records for a table, so we need a start key, just like what we have done at client side<a name="line.68"></a> -<span class="sourceLineNo">069</span> // when locating a region. For the markers, we will use the start key of the region as the<a name="line.69"></a> -<span class="sourceLineNo">070</span> // row key for the edit. 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class="sourceLineNo">081</span> if (entry != null) {<a name="line.81"></a> -<span class="sourceLineNo">082</span> if (!checker.canPush(entry, firstCellInEntryBeforeFiltering)) {<a name="line.82"></a> -<span class="sourceLineNo">083</span> if (batch.getLastWalPosition() > positionBefore) {<a name="line.83"></a> -<span class="sourceLineNo">084</span> // we have something that can push, break<a name="line.84"></a> -<span class="sourceLineNo">085</span> break;<a name="line.85"></a> -<span class="sourceLineNo">086</span> } else {<a name="line.86"></a> -<span class="sourceLineNo">087</span> checker.waitUntilCanPush(entry, firstCellInEntryBeforeFiltering);<a name="line.87"></a> -<span class="sourceLineNo">088</span> }<a name="line.88"></a> -<span class="sourceLineNo">089</span> }<a name="line.89"></a> -<span class="sourceLineNo">090</span> // arrive here means we can push the entry, record the last sequence id<a name="line.90"></a> -<span class="sourceLineNo">091</span> batch.setLastSeqId(Bytes.toString(entry.getKey().getEncodedRegionName()),<a name="line.91"></a> -<span class="sourceLineNo">092</span> entry.getKey().getSequenceId());<a name="line.92"></a> -<span class="sourceLineNo">093</span> // actually remove the entry.<a name="line.93"></a> -<span class="sourceLineNo">094</span> removeEntryFromStream(entryStream, batch);<a name="line.94"></a> -<span class="sourceLineNo">095</span> if (addEntryToBatch(batch, entry)) {<a name="line.95"></a> -<span class="sourceLineNo">096</span> break;<a name="line.96"></a> -<span class="sourceLineNo">097</span> }<a name="line.97"></a> -<span class="sourceLineNo">098</span> } else {<a name="line.98"></a> -<span class="sourceLineNo">099</span> // actually remove the entry.<a name="line.99"></a> -<span class="sourceLineNo">100</span> removeEntryFromStream(entryStream, batch);<a name="line.100"></a> -<span class="sourceLineNo">101</span> }<a name="line.101"></a> -<span class="sourceLineNo">102</span> } while (entryStream.hasNext());<a name="line.102"></a> -<span class="sourceLineNo">103</span> return batch;<a name="line.103"></a> -<span class="sourceLineNo">104</span> }<a name="line.104"></a> -<span class="sourceLineNo">105</span><a name="line.105"></a> -<span class="sourceLineNo">106</span> private void removeEntryFromStream(WALEntryStream entryStream, WALEntryBatch batch)<a name="line.106"></a> -<span class="sourceLineNo">107</span> throws IOException {<a name="line.107"></a> -<span class="sourceLineNo">108</span> entryStream.next();<a name="line.108"></a> -<span class="sourceLineNo">109</span> firstCellInEntryBeforeFiltering = null;<a name="line.109"></a> -<span class="sourceLineNo">110</span> batch.setLastWalPosition(entryStream.getPosition());<a name="line.110"></a> -<span class="sourceLineNo">111</span> }<a name="line.111"></a> -<span class="sourceLineNo">112</span>}<a name="line.112"></a> +<span class="sourceLineNo">056</span> Path currentPath = entryStream.getCurrentPath();<a name="line.56"></a> +<span class="sourceLineNo">057</span> if (!entryStream.hasNext()) {<a name="line.57"></a> +<span class="sourceLineNo">058</span> // check whether we have switched a file<a name="line.58"></a> +<span class="sourceLineNo">059</span> if (currentPath != null && switched(entryStream, currentPath)) {<a name="line.59"></a> +<span class="sourceLineNo">060</span> return WALEntryBatch.endOfFile(currentPath);<a name="line.60"></a> +<span class="sourceLineNo">061</span> } else {<a name="line.61"></a> +<span class="sourceLineNo">062</span> return null;<a name="line.62"></a> +<span class="sourceLineNo">063</span> }<a name="line.63"></a> +<span class="sourceLineNo">064</span> }<a name="line.64"></a> +<span class="sourceLineNo">065</span> if (currentPath != null) {<a name="line.65"></a> +<span class="sourceLineNo">066</span> if (switched(entryStream, currentPath)) {<a name="line.66"></a> +<span class="sourceLineNo">067</span> return WALEntryBatch.endOfFile(currentPath);<a name="line.67"></a> +<span class="sourceLineNo">068</span> }<a name="line.68"></a> +<span class="sourceLineNo">069</span> } else {<a name="line.69"></a> +<span class="sourceLineNo">070</span> // when reading from the entry stream first time we will enter here<a name="line.70"></a> +<span class="sourceLineNo">071</span> currentPath = entryStream.getCurrentPath();<a name="line.71"></a> +<span class="sourceLineNo">072</span> }<a name="line.72"></a> +<span class="sourceLineNo">073</span> long positionBefore = entryStream.getPosition();<a name="line.73"></a> +<span class="sourceLineNo">074</span> WALEntryBatch batch = createBatch(entryStream);<a name="line.74"></a> +<span class="sourceLineNo">075</span> for (;;) {<a name="line.75"></a> +<span class="sourceLineNo">076</span> Entry entry = entryStream.peek();<a name="line.76"></a> +<span class="sourceLineNo">077</span> boolean doFiltering = true;<a name="line.77"></a> +<span class="sourceLineNo">078</span> if (firstCellInEntryBeforeFiltering == null) {<a name="line.78"></a> +<span class="sourceLineNo">079</span> assert !entry.getEdit().isEmpty() : "should not write empty edits";<a name="line.79"></a> +<span class="sourceLineNo">080</span> // Used to locate the region record in meta table. In WAL we only have the table name and<a name="line.80"></a> +<span class="sourceLineNo">081</span> // encoded region name which can not be mapping to region name without scanning all the<a name="line.81"></a> +<span class="sourceLineNo">082</span> // records for a table, so we need a start key, just like what we have done at client side<a name="line.82"></a> +<span class="sourceLineNo">083</span> // when locating a region. For the markers, we will use the start key of the region as the<a name="line.83"></a> +<span class="sourceLineNo">084</span> // row key for the edit. And we need to do this before filtering since all the cells may<a name="line.84"></a> +<span class="sourceLineNo">085</span> // be filtered out, especially that for the markers.<a name="line.85"></a> +<span class="sourceLineNo">086</span> firstCellInEntryBeforeFiltering = entry.getEdit().getCells().get(0);<a name="line.86"></a> +<span class="sourceLineNo">087</span> } else {<a name="line.87"></a> +<span class="sourceLineNo">088</span> // if this is not null then we know that the entry has already been filtered.<a name="line.88"></a> +<span class="sourceLineNo">089</span> doFiltering = false;<a name="line.89"></a> +<span class="sourceLineNo">090</span> }<a name="line.90"></a> +<span class="sourceLineNo">091</span><a name="line.91"></a> +<span class="sourceLineNo">092</span> if (doFiltering) {<a name="line.92"></a> +<span class="sourceLineNo">093</span> entry = filterEntry(entry);<a name="line.93"></a> +<span class="sourceLineNo">094</span> }<a name="line.94"></a> +<span class="sourceLineNo">095</span> if (entry != null) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> if (!checker.canPush(entry, firstCellInEntryBeforeFiltering)) {<a name="line.96"></a> +<span class="sourceLineNo">097</span> if (batch.getLastWalPosition() > positionBefore) {<a name="line.97"></a> +<span class="sourceLineNo">098</span> // we have something that can push, break<a name="line.98"></a> +<span class="sourceLineNo">099</span> break;<a name="line.99"></a> +<span class="sourceLineNo">100</span> } else {<a name="line.100"></a> +<span class="sourceLineNo">101</span> checker.waitUntilCanPush(entry, firstCellInEntryBeforeFiltering);<a name="line.101"></a> +<span class="sourceLineNo">102</span> }<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span> // arrive here means we can push the entry, record the last sequence id<a name="line.104"></a> +<span class="sourceLineNo">105</span> batch.setLastSeqId(Bytes.toString(entry.getKey().getEncodedRegionName()),<a name="line.105"></a> +<span class="sourceLineNo">106</span> entry.getKey().getSequenceId());<a name="line.106"></a> +<span class="sourceLineNo">107</span> // actually remove the entry.<a name="line.107"></a> +<span class="sourceLineNo">108</span> removeEntryFromStream(entryStream, batch);<a name="line.108"></a> +<span class="sourceLineNo">109</span> if (addEntryToBatch(batch, entry)) {<a name="line.109"></a> +<span class="sourceLineNo">110</span> break;<a name="line.110"></a> +<span class="sourceLineNo">111</span> }<a name="line.111"></a> +<span class="sourceLineNo">112</span> } else {<a name="line.112"></a> +<span class="sourceLineNo">113</span> // actually remove the entry.<a name="line.113"></a> +<span class="sourceLineNo">114</span> removeEntryFromStream(entryStream, batch);<a name="line.114"></a> +<span class="sourceLineNo">115</span> }<a name="line.115"></a> +<span class="sourceLineNo">116</span> boolean hasNext = entryStream.hasNext();<a name="line.116"></a> +<span class="sourceLineNo">117</span> // always return if we have switched to a new file.<a name="line.117"></a> +<span class="sourceLineNo">118</span> if (switched(entryStream, currentPath)) {<a name="line.118"></a> +<span class="sourceLineNo">119</span> batch.setEndOfFile(true);<a name="line.119"></a> +<span class="sourceLineNo">120</span> break;<a name="line.120"></a> +<span class="sourceLineNo">121</span> }<a name="line.121"></a> +<span class="sourceLineNo">122</span> if (!hasNext) {<a name="line.122"></a> +<span class="sourceLineNo">123</span> break;<a name="line.123"></a> +<span class="sourceLineNo">124</span> }<a name="line.124"></a> +<span class="sourceLineNo">125</span> }<a name="line.125"></a> +<span class="sourceLineNo">126</span> return batch;<a name="line.126"></a> +<span class="sourceLineNo">127</span> }<a name="line.127"></a> +<span class="sourceLineNo">128</span><a name="line.128"></a> +<span class="sourceLineNo">129</span> private void removeEntryFromStream(WALEntryStream entryStream, WALEntryBatch batch)<a name="line.129"></a> +<span class="sourceLineNo">130</span> throws IOException {<a name="line.130"></a> +<span class="sourceLineNo">131</span> entryStream.next();<a name="line.131"></a> +<span class="sourceLineNo">132</span> firstCellInEntryBeforeFiltering = null;<a name="line.132"></a> +<span class="sourceLineNo">133</span> batch.setLastWalPosition(entryStream.getPosition());<a name="line.133"></a> +<span class="sourceLineNo">134</span> }<a name="line.134"></a> +<span class="sourceLineNo">135</span>}<a name="line.135"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/fd35fe02/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html index 9462344..5c7b55d 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryBatch.html @@ -38,112 +38,134 @@ <span class="sourceLineNo">030</span> */<a name="line.30"></a> <span class="sourceLineNo">031</span>@InterfaceAudience.Private<a name="line.31"></a> <span class="sourceLineNo">032</span>class WALEntryBatch {<a name="line.32"></a> -<span class="sourceLineNo">033</span> private List<Entry> walEntries;<a name="line.33"></a> -<span class="sourceLineNo">034</span> // last WAL that was read<a name="line.34"></a> -<span class="sourceLineNo">035</span> private Path lastWalPath;<a name="line.35"></a> -<span class="sourceLineNo">036</span> // position in WAL of last entry in this batch<a name="line.36"></a> -<span class="sourceLineNo">037</span> private long lastWalPosition = 0;<a name="line.37"></a> -<span class="sourceLineNo">038</span> // number of distinct row keys in this batch<a name="line.38"></a> -<span class="sourceLineNo">039</span> private int nbRowKeys = 0;<a name="line.39"></a> -<span class="sourceLineNo">040</span> // number of HFiles<a name="line.40"></a> -<span class="sourceLineNo">041</span> private int nbHFiles = 0;<a name="line.41"></a> -<span class="sourceLineNo">042</span> // heap size of data we need to replicate<a name="line.42"></a> -<span class="sourceLineNo">043</span> private long heapSize = 0;<a name="line.43"></a> -<span class="sourceLineNo">044</span> // save the last sequenceid for each region if the table has serial-replication scope<a name="line.44"></a> -<span class="sourceLineNo">045</span> private Map<String, Long> lastSeqIds = new HashMap<>();<a name="line.45"></a> -<span class="sourceLineNo">046</span><a name="line.46"></a> -<span class="sourceLineNo">047</span> /**<a name="line.47"></a> -<span class="sourceLineNo">048</span> * @param lastWalPath Path of the WAL the last entry in this batch was read from<a name="line.48"></a> -<span class="sourceLineNo">049</span> */<a name="line.49"></a> -<span class="sourceLineNo">050</span> WALEntryBatch(int maxNbEntries, Path lastWalPath) {<a name="line.50"></a> -<span class="sourceLineNo">051</span> this.walEntries = new ArrayList<>(maxNbEntries);<a name="line.51"></a> -<span class="sourceLineNo">052</span> this.lastWalPath = lastWalPath;<a name="line.52"></a> -<span class="sourceLineNo">053</span> }<a name="line.53"></a> -<span class="sourceLineNo">054</span><a name="line.54"></a> -<span class="sourceLineNo">055</span> public void addEntry(Entry entry) {<a name="line.55"></a> -<span class="sourceLineNo">056</span> walEntries.add(entry);<a name="line.56"></a> -<span class="sourceLineNo">057</span> }<a name="line.57"></a> -<span class="sourceLineNo">058</span><a name="line.58"></a> -<span class="sourceLineNo">059</span> /**<a name="line.59"></a> -<span class="sourceLineNo">060</span> * @return the WAL Entries.<a name="line.60"></a> -<span class="sourceLineNo">061</span> */<a name="line.61"></a> -<span class="sourceLineNo">062</span> public List<Entry> getWalEntries() {<a name="line.62"></a> -<span class="sourceLineNo">063</span> return walEntries;<a name="line.63"></a> -<span class="sourceLineNo">064</span> }<a name="line.64"></a> -<span class="sourceLineNo">065</span><a name="line.65"></a> -<span class="sourceLineNo">066</span> /**<a name="line.66"></a> -<span class="sourceLineNo">067</span> * @return the path of the last WAL that was read.<a name="line.67"></a> -<span class="sourceLineNo">068</span> */<a name="line.68"></a> -<span class="sourceLineNo">069</span> public Path getLastWalPath() {<a name="line.69"></a> -<span class="sourceLineNo">070</span> return lastWalPath;<a name="line.70"></a> +<span class="sourceLineNo">033</span><a name="line.33"></a> +<span class="sourceLineNo">034</span> // used by recovered replication queue to indicate that all the entries have been read.<a name="line.34"></a> +<span class="sourceLineNo">035</span> public static final WALEntryBatch NO_MORE_DATA = new WALEntryBatch(0, null);<a name="line.35"></a> +<span class="sourceLineNo">036</span><a name="line.36"></a> +<span class="sourceLineNo">037</span> private List<Entry> walEntries;<a name="line.37"></a> +<span class="sourceLineNo">038</span> // last WAL that was read<a name="line.38"></a> +<span class="sourceLineNo">039</span> private Path lastWalPath;<a name="line.39"></a> +<span class="sourceLineNo">040</span> // position in WAL of last entry in this batch<a name="line.40"></a> +<span class="sourceLineNo">041</span> private long lastWalPosition = 0;<a name="line.41"></a> +<span class="sourceLineNo">042</span> // number of distinct row keys in this batch<a name="line.42"></a> +<span class="sourceLineNo">043</span> private int nbRowKeys = 0;<a name="line.43"></a> +<span class="sourceLineNo">044</span> // number of HFiles<a name="line.44"></a> +<span class="sourceLineNo">045</span> private int nbHFiles = 0;<a name="line.45"></a> +<span class="sourceLineNo">046</span> // heap size of data we need to replicate<a name="line.46"></a> +<span class="sourceLineNo">047</span> private long heapSize = 0;<a name="line.47"></a> +<span class="sourceLineNo">048</span> // save the last sequenceid for each region if the table has serial-replication scope<a name="line.48"></a> +<span class="sourceLineNo">049</span> private Map<String, Long> lastSeqIds = new HashMap<>();<a name="line.49"></a> +<span class="sourceLineNo">050</span> // indicate that this is the end of the current file<a name="line.50"></a> +<span class="sourceLineNo">051</span> private boolean endOfFile;<a name="line.51"></a> +<span class="sourceLineNo">052</span><a name="line.52"></a> +<span class="sourceLineNo">053</span> /**<a name="line.53"></a> +<span class="sourceLineNo">054</span> * @param lastWalPath Path of the WAL the last entry in this batch was read from<a name="line.54"></a> +<span class="sourceLineNo">055</span> */<a name="line.55"></a> +<span class="sourceLineNo">056</span> WALEntryBatch(int maxNbEntries, Path lastWalPath) {<a name="line.56"></a> +<span class="sourceLineNo">057</span> this.walEntries = new ArrayList<>(maxNbEntries);<a name="line.57"></a> +<span class="sourceLineNo">058</span> this.lastWalPath = lastWalPath;<a name="line.58"></a> +<span class="sourceLineNo">059</span> }<a name="line.59"></a> +<span class="sourceLineNo">060</span><a name="line.60"></a> +<span class="sourceLineNo">061</span><a name="line.61"></a> +<span class="sourceLineNo">062</span> static WALEntryBatch endOfFile(Path lastWalPath) {<a name="line.62"></a> +<span class="sourceLineNo">063</span> WALEntryBatch batch = new WALEntryBatch(0, lastWalPath);<a name="line.63"></a> +<span class="sourceLineNo">064</span> batch.setLastWalPosition(-1L);<a name="line.64"></a> +<span class="sourceLineNo">065</span> batch.setEndOfFile(true);<a name="line.65"></a> +<span class="sourceLineNo">066</span> return batch;<a name="line.66"></a> +<span class="sourceLineNo">067</span> }<a name="line.67"></a> +<span class="sourceLineNo">068</span><a name="line.68"></a> +<span class="sourceLineNo">069</span> public void addEntry(Entry entry) {<a name="line.69"></a> +<span class="sourceLineNo">070</span> walEntries.add(entry);<a name="line.70"></a> <span class="sourceLineNo">071</span> }<a name="line.71"></a> <span class="sourceLineNo">072</span><a name="line.72"></a> <span class="sourceLineNo">073</span> /**<a name="line.73"></a> -<span class="sourceLineNo">074</span> * @return the position in the last WAL that was read.<a name="line.74"></a> +<span class="sourceLineNo">074</span> * @return the WAL Entries.<a name="line.74"></a> <span class="sourceLineNo">075</span> */<a name="line.75"></a> -<span class="sourceLineNo">076</span> public long getLastWalPosition() {<a name="line.76"></a> -<span class="sourceLineNo">077</span> return lastWalPosition;<a name="line.77"></a> +<span class="sourceLineNo">076</span> public List<Entry> getWalEntries() {<a name="line.76"></a> +<span class="sourceLineNo">077</span> return walEntries;<a name="line.77"></a> <span class="sourceLineNo">078</span> }<a name="line.78"></a> <span class="sourceLineNo">079</span><a name="line.79"></a> -<span class="sourceLineNo">080</span> public void setLastWalPosition(long lastWalPosition) {<a name="line.80"></a> -<span class="sourceLineNo">081</span> this.lastWalPosition = lastWalPosition;<a name="line.81"></a> -<span class="sourceLineNo">082</span> }<a name="line.82"></a> -<span class="sourceLineNo">083</span><a name="line.83"></a> -<span class="sourceLineNo">084</span> public int getNbEntries() {<a name="line.84"></a> -<span class="sourceLineNo">085</span> return walEntries.size();<a name="line.85"></a> -<span class="sourceLineNo">086</span> }<a name="line.86"></a> -<span class="sourceLineNo">087</span><a 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