Guanghao Zhang created HBASE-16012: -------------------------------------- Summary: Major compaction can't work because left scanner read point in RegionServer Key: HBASE-16012 URL: https://issues.apache.org/jira/browse/HBASE-16012 Project: HBase Issue Type: Bug Components: Compaction, Scanners Affects Versions: 0.94.27, 2.0.0 Reporter: Guanghao Zhang
When new RegionScanner, it will add a scanner read point in scannerReadPoints. But if we got a exception after add read point, the read point will keep in regions server and the delete after this mvcc number will never be compacted. Our hbase version is base 0.94. If it throws other exception when initialize RegionScanner, the master branch has this bug, too. ERROR org.apache.hadoop.hbase.regionserver.HRegionServer: Failed openScanner java.io.IOException: Could not seek StoreFileScanner at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:160) at org.apache.hadoop.hbase.regionserver.StoreScanner.seekScanners(StoreScanner.java:268) at org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:168) at org.apache.hadoop.hbase.regionserver.Store.getScanner(Store.java:2232) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.<init>(HRegion.java:4026) at org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:1895) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1879) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1854) at org.apache.hadoop.hbase.regionserver.HRegionServer.internalOpenScanner(HRegionServer.java:3032) at org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:2995) at sun.reflect.GeneratedMethodAccessor67.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.hbase.ipc.SecureRpcEngine$Server.call(SecureRpcEngine.java:338) at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1595) Caused by: org.apache.hadoop.hbase.ipc.CallerDisconnectedException: Aborting call openScanner, since caller disconnected at org.apache.hadoop.hbase.ipc.HBaseServer$Call.throwExceptionIfCallerDisconnected(HBaseServer.java:475) at org.apache.hadoop.hbase.io.hfile.HFileBlock$AbstractFSReader.readAtOffset(HFileBlock.java:1443) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockDataInternal(HFileBlock.java:1902) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockData(HFileBlock.java:1766) at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:345) at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:254) at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:499) at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:520) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:235) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:148) ... 14 more -- This message was sent by Atlassian JIRA (v6.3.4#6332)