Piotr Kolaczkowski created CASSANDRA-17552: ----------------------------------------------
Summary: LongBufferPoolTest failing, several data races in BufferPool Key: CASSANDRA-17552 URL: https://issues.apache.org/jira/browse/CASSANDRA-17552 Project: Cassandra Issue Type: Bug Reporter: Piotr Kolaczkowski LongBufferPoolTest fails pretty consistently on my local laptop. I identified 3 different failure modes: {noformat} ERROR [test:1] 2022-04-13 16:29:03,064 LongBufferPoolTest.java:588 - Got throwable null, current chunk [slab java.nio.DirectByteBuffer[pos=0 lim=131072 cap=131072], slots bitmap 1111111111111111111111111111111111111111111111111111111111111111, capacity 131072, free 131072] java.lang.AssertionError at org.apache.cassandra.utils.memory.BufferPool$Chunk.get(BufferPool.java:1315) at org.apache.cassandra.utils.memory.BufferPool$MicroQueueOfChunks.get(BufferPool.java:576) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.tryGetInternal(BufferPool.java:900) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.lambda$new$0(BufferPool.java:739) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.addChunkFromParent(BufferPool.java:952) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.tryGetInternal(BufferPool.java:907) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.tryGet(BufferPool.java:893) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.access$000(BufferPool.java:710) at org.apache.cassandra.utils.memory.BufferPool.tryGet(BufferPool.java:205) at org.apache.cassandra.utils.memory.LongBufferPoolTest$2.testOne(LongBufferPoolTest.java:513) at org.apache.cassandra.utils.memory.LongBufferPoolTest$TestUntil.call(LongBufferPoolTest.java:575) at org.apache.cassandra.utils.memory.LongBufferPoolTest$TestUntil.call(LongBufferPoolTest.java:553) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:748) {noformat} {noformat} ERROR [main] 2022-04-13 16:30:27,139 LongBufferPoolTest.java:614 - Test failed - null java.lang.AssertionError: null at org.apache.cassandra.utils.memory.LongBufferPoolTest$Debug.check(LongBufferPoolTest.java:106) at org.apache.cassandra.utils.memory.LongBufferPoolTest.testAllocate(LongBufferPoolTest.java:288) at org.apache.cassandra.utils.memory.LongBufferPoolTest.main(LongBufferPoolTest.java:607) {noformat} {noformat} ERROR [test:1] 2022-04-13 16:36:54,093 LongBufferPoolTest.java:580 - Got exception null, current chunk null java.lang.NullPointerException at org.apache.cassandra.utils.memory.BufferPool$MicroQueueOfChunks.add(BufferPool.java:513) at org.apache.cassandra.utils.memory.BufferPool$MicroQueueOfChunks.access$2200(BufferPool.java:480) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.addChunk(BufferPool.java:963) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.addChunkFromParent(BufferPool.java:956) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.tryGetInternal(BufferPool.java:907) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.tryGet(BufferPool.java:893) at org.apache.cassandra.utils.memory.BufferPool$LocalPool.access$000(BufferPool.java:710) at org.apache.cassandra.utils.memory.BufferPool.tryGet(BufferPool.java:205) at org.apache.cassandra.utils.memory.LongBufferPoolTest$2.testOne(LongBufferPoolTest.java:512) at org.apache.cassandra.utils.memory.LongBufferPoolTest$TestUntil.call(LongBufferPoolTest.java:575) at org.apache.cassandra.utils.memory.LongBufferPoolTest$TestUntil.call(LongBufferPoolTest.java:553) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:748) {noformat} Branch: cassadra 4.0, commit d1270c204f31578212bfca5860ab46abeaec22b9 -- This message was sent by Atlassian Jira (v8.20.1#820001) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org