wchevreuil commented on a change in pull request #749: HBASE-23205 Correctly update the position of WALs currently being replicated URL: https://github.com/apache/hbase/pull/749#discussion_r348087671
########## File path: hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceWALReaderThread.java ########## @@ -135,59 +127,46 @@ public void run() { try (WALEntryStream entryStream = new WALEntryStream(logQueue, fs, conf, currentPosition, metrics)) { while (isReaderRunning()) { // loop here to keep reusing stream while we can - if (!checkQuota()) { + if (manager.isBufferQuotaReached()) { + Threads.sleep(sleepForRetries); continue; } - WALEntryBatch batch = null; - while (entryStream.hasNext()) { - if (batch == null) { - batch = new WALEntryBatch(replicationBatchCountCapacity, entryStream.getCurrentPath()); - } + WALEntryBatch batch = + new WALEntryBatch(replicationBatchCountCapacity, replicationBatchSizeCapacity); + boolean hasNext; + while ((hasNext = entryStream.hasNext()) == true) { Entry entry = entryStream.next(); entry = filterEntry(entry); if (entry != null) { WALEdit edit = entry.getEdit(); if (edit != null && !edit.isEmpty()) { - long entrySize = getEntrySizeIncludeBulkLoad(entry); - long entrySizeExlucdeBulkLoad = getEntrySizeExcludeBulkLoad(entry); - batch.addEntry(entry); - replicationSourceManager.setPendingShipment(true); - updateBatchStats(batch, entry, entryStream.getPosition(), entrySize); - boolean totalBufferTooLarge = acquireBufferQuota(entrySizeExlucdeBulkLoad); + long entrySizeExcludeBulkLoad = batch.addEntry(entry); + boolean totalBufferTooLarge = manager.acquireBufferQuota(entrySizeExcludeBulkLoad); // Stop if too many entries or too big - if (totalBufferTooLarge || batch.getHeapSize() >= replicationBatchSizeCapacity - || batch.getNbEntries() >= replicationBatchCountCapacity) { + if (totalBufferTooLarge || batch.isLimitReached()) { break; } } - } else { Review comment: > If some use cases means "no mutations come for a long time, but a batch has entries" What if the whole WAL section read got no entries for replication? In this case, batch would be empty, so _ReplicationSourceManager.logPositionAndCleanOldLogs_ does not ever get called (at least, I guess, until the log is rolled). ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services