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Posted to commits@cassandra.apache.org by "Michael Shuler (JIRA)" <ji...@apache.org> on 2019/07/08 15:49:00 UTC
[jira] [Updated] (CASSANDRA-14369) infinite loop when decommission
a node
[ https://issues.apache.org/jira/browse/CASSANDRA-14369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Shuler updated CASSANDRA-14369:
---------------------------------------
Fix Version/s: (was: 3.11.1)
3.11.x
> infinite loop when decommission a node
> --------------------------------------
>
> Key: CASSANDRA-14369
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14369
> Project: Cassandra
> Issue Type: Bug
> Reporter: Daniel Woo
> Priority: Normal
> Fix For: 3.11.x
>
>
> I have 6 nodes (N1 to N6)， N2 to N6 are new hardwares with two SSDs on each, N1 is an old box with spinning disks, and I am trying to decommission N1. Then I see two nodes are trying to receive streaming from N1 infinitely. The log rotates so quickly that I can only see this:
>
> {{INFO [CompactionExecutor:19401] 2018-04-07 13:07:56,560 LeveledManifest.java:474 - Adding high-level (L3) BigTableReader(path='/opt/platform/data1/cassandra/data/data/contract_center_cloud/contract-2f2f9f70cd9911e7bfe87fec03576322/mc-31-big-Data.db') to candidates}}{{INFO [CompactionExecutor:19401] 2018-04-07 13:07:56,560 LeveledManifest.java:474 - Adding high-level (L3) BigTableReader(path='/opt/platform/data1/cassandra/data/data/contract_center_cloud/contract-2f2f9f70cd9911e7bfe87fec03576322/mc-31-big-Data.db') to candidates}}{{INFO [CompactionExecutor:19401] 2018-04-07 13:07:56,560 LeveledManifest.java:474 - Adding high-level (L3) BigTableReader(path='/opt/platform/data1/cassandra/data/data/contract_center_cloud/contract-2f2f9f70cd9911e7bfe87fec03576322/mc-31-big-Data.db') to candidates}}{{INFO [CompactionExecutor:19401] 2018-04-07 13:07:56,560 LeveledManifest.java:474 - Adding high-level (L3) BigTableReader(path='/opt/platform/data1/cassandra/data/data/contract_center_cloud/contract-2f2f9f70cd9911e7bfe87fec03576322/mc-31-big-Data.db') to candidates}}{{INFO [CompactionExecutor:19401] 2018-04-07 13:07:56,560 LeveledManifest.java:474 - Adding high-level (L3) BigTableReader(path='/opt/platform/data1/cassandra/data/data/contract_center_cloud/contract-2f2f9f70cd9911e7bfe87fec03576322/mc-31-big-Data.db') to candidates}}{{INFO [CompactionExecutor:19401] 2018-04-07 13:07:56,560 LeveledManifest.java:474 - Adding high-level (L3) BigTableReader(path='/opt/platform/data1/cassandra/data/data/contract_center_cloud/contract-2f2f9f70cd9911e7bfe87fec03576322/mc-31-big-Data.db') to candidates}}{{INFO [CompactionExecutor:19401] 2018-04-07 13:07:56,560 LeveledManifest.java:474 - Adding high-level (L3) BigTableReader(path='/opt/platform/data1/cassandra/data/data/contract_center_cloud/contract-2f2f9f70cd9911e7bfe87fec03576322/mc-31-big-Data.db') to candidates}}{{INFO [CompactionExecutor:19401] 2018-04-07 13:07:56,561 LeveledManifest.java:474 - Adding high-level (L3) BigTableReader(path='/opt/platform/data1/cassandra/data/data/contract_center_cloud/contract-2f2f9f70cd9911e7bfe87fec03576322/mc-31-big-Data.db') to candidates}}{{INFO [CompactionExecutor:19401] 2018-04-07 13:07:56,561 LeveledManifest.java:474 - Adding high-level (L3) BigTableReader(path='/opt/platform/data1/cassandra/data/data/contract_center_cloud/contract-2f2f9f70cd9911e7bfe87fec03576322/mc-31-big-Data.db') to candidates}}{{INFO [CompactionExecutor:19401] 2018-04-07 13:07:56,561 LeveledManifest.java:474 - Adding high-level (L3) BigTableReader(path='/opt/platform/data1/cassandra/data/data/contract_center_cloud/contract-2f2f9f70cd9911e7bfe87fec03576322/mc-31-big-Data.db') to candidates}}
> nodetool tpstats shows some of the compactions are pending:
>
> {{Pool Name Active Pending Completed Blocked All time blocked}}{{ReadStage 0 0 1366419 0 0}}{{MiscStage 0 0 0 0 0}}{{CompactionExecutor 9 9 77739 0 0}}{{MutationStage 0 0 7504702 0 0}}{{MemtableReclaimMemory 0 0 327 0 0}}{{PendingRangeCalculator 0 0 20 0 0}}{{GossipStage 0 0 486365 0 0}}{{SecondaryIndexManagement 0 0 0 0 0}}
>
> This is from the jstack output:
> {{"CompactionExecutor:16666" #26533 daemon prio=1 os_prio=4 tid=0x00007f971812f170 nid=0x6581 waiting for monitor entry [0x00007f9990f4a000]}}{{ java.lang.Thread.State: BLOCKED (on object monitor)}}{{ at org.apache.cassandra.db.compaction.LeveledManifest.getCompactionCandidates(LeveledManifest.java:310)}}{{ - waiting to lock <0x00000001c14acab0> (a org.apache.cassandra.db.compaction.LeveledManifest)}}{{ at org.apache.cassandra.db.compaction.LeveledCompactionStrategy.getNextBackgroundTask(LeveledCompactionStrategy.java:119)}}{{ at org.apache.cassandra.db.compaction.CompactionStrategyManager.getNextBackgroundTask(CompactionStrategyManager.java:119)}}{{ at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:262)}}{{ at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)}}{{ at java.util.concurrent.FutureTask.run(FutureTask.java:266)}}{{ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)}}{{ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)}}{{ at org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:81)}}{{ at org.apache.cassandra.concurrent.NamedThreadFactory$$Lambda$5/2123444693.run(Unknown Source)}}{{ at java.lang.Thread.run(Thread.java:748)}}{{ }}{{ Locked ownable synchronizers:}}{{ - <0x00000002b48f5ff0> (a java.util.concurrent.ThreadPoolExecutor$Worker)}}{{ }}{{"CompactionExecutor:16632" #26499 daemon prio=1 os_prio=4 tid=0x00007f970c16c420 nid=0x6553 runnable [0x00007f9982714000]}}{{ java.lang.Thread.State: RUNNABLE}}{{ at org.apache.cassandra.db.compaction.LeveledManifest.getLevelSize(LeveledManifest.java:489)}}{{ - locked <0x00000001c14acab0> (a org.apache.cassandra.db.compaction.LeveledManifest)}}{{ at org.apache.cassandra.db.compaction.LeveledManifest.getOverlappingStarvedSSTables(LeveledManifest.java:448)}}{{ at org.apache.cassandra.db.compaction.LeveledManifest.getCompactionCandidates(LeveledManifest.java:370)}}{{ - locked <0x00000001c14acab0> (a org.apache.cassandra.db.compaction.LeveledManifest)}}{{ at org.apache.cassandra.db.compaction.LeveledCompactionStrategy.getNextBackgroundTask(LeveledCompactionStrategy.java:119)}}{{ at org.apache.cassandra.db.compaction.CompactionStrategyManager.getNextBackgroundTask(CompactionStrategyManager.java:119)}}{{ at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:262)}}{{ at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)}}{{ at java.util.concurrent.FutureTask.run(FutureTask.java:266)}}{{ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)}}{{ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)}}{{ at org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:81)}}{{ at org.apache.cassandra.concurrent.NamedThreadFactory$$Lambda$5/2123444693.run(Unknown Source)}}{{ at java.lang.Thread.run(Thread.java:748)}}{{ }}{{ Locked ownable synchronizers:}}
>
> Now the problem is, this is my online production environment, how can I fix it online?
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