Bryan Beaudreault created HBASE-28390: -----------------------------------------
Summary: WAL compression fails for cells with large values when combined with WAL value compression Key: HBASE-28390 URL: https://issues.apache.org/jira/browse/HBASE-28390 Project: HBase Issue Type: Bug Reporter: Bryan Beaudreault We are testing out WAL compression and noticed that it fails for large values when both features (wal compression and wal value compression) are enabled. It works fine with either feature independently, but not when combined. It seems to fail for all of the value compressor types, and the failure is in the LRUDictionary of wal key compression: {code:java} java.io.IOException: Error while reading 2 WAL KVs; started reading at 230 and read up to 396 at org.apache.hadoop.hbase.regionserver.wal.ProtobufWALStreamReader.next(ProtobufWALStreamReader.java:94) ~[classes/:?] at org.apache.hadoop.hbase.wal.CompressedWALTestBase.doTest(CompressedWALTestBase.java:181) ~[test-classes/:?] at org.apache.hadoop.hbase.wal.CompressedWALTestBase.testForSize(CompressedWALTestBase.java:129) ~[test-classes/:?] at org.apache.hadoop.hbase.wal.CompressedWALTestBase.testLarge(CompressedWALTestBase.java:94) ~[test-classes/:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?] at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59) ~[junit-4.13.2.jar:4.13.2] at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56) ~[junit-4.13.2.jar:4.13.2] at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) ~[junit-4.13.2.jar:4.13.2] at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) ~[junit-4.13.2.jar:4.13.2] at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) ~[junit-4.13.2.jar:4.13.2] at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) ~[junit-4.13.2.jar:4.13.2] at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299) ~[junit-4.13.2.jar:4.13.2] at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293) ~[junit-4.13.2.jar:4.13.2] at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at java.lang.Thread.run(Thread.java:829) ~[?:?] Caused by: java.lang.IndexOutOfBoundsException: index (21) must be less than size (1) at org.apache.hbase.thirdparty.com.google.common.base.Preconditions.checkElementIndex(Preconditions.java:1371) ~[hbase-shaded-miscellaneous-4.1.5.jar:4.1.5] at org.apache.hbase.thirdparty.com.google.common.base.Preconditions.checkElementIndex(Preconditions.java:1353) ~[hbase-shaded-miscellaneous-4.1.5.jar:4.1.5] at org.apache.hadoop.hbase.io.util.LRUDictionary$BidirectionalLRUMap.get(LRUDictionary.java:153) ~[classes/:?] at org.apache.hadoop.hbase.io.util.LRUDictionary$BidirectionalLRUMap.access$000(LRUDictionary.java:79) ~[classes/:?] at org.apache.hadoop.hbase.io.util.LRUDictionary.getEntry(LRUDictionary.java:43) ~[classes/:?] at org.apache.hadoop.hbase.regionserver.wal.WALCellCodec$CompressedKvDecoder.readIntoArray(WALCellCodec.java:366) ~[classes/:?] at org.apache.hadoop.hbase.regionserver.wal.WALCellCodec$CompressedKvDecoder.parseCell(WALCellCodec.java:307) ~[classes/:?] at org.apache.hadoop.hbase.codec.BaseDecoder.advance(BaseDecoder.java:66) ~[classes/:?] at org.apache.hadoop.hbase.wal.WALEdit.readFromCells(WALEdit.java:313) ~[classes/:?] at org.apache.hadoop.hbase.regionserver.wal.ProtobufWALStreamReader.next(ProtobufWALStreamReader.java:84) ~[classes/:?] ... 27 more {code} We've created a unit test which reproduces for each compressor type. It seems to fail around the 200kb value size for each. -- This message was sent by Atlassian Jira (v8.20.10#820010)