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Posted to commits@cassandra.apache.org by "C. Scott Andreas (JIRA)" <ji...@apache.org> on 2018/11/19 05:38:00 UTC

[jira] [Resolved] (CASSANDRA-10722) Error in system.log file about the compaction

     [ https://issues.apache.org/jira/browse/CASSANDRA-10722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

C. Scott Andreas resolved CASSANDRA-10722.
------------------------------------------
    Resolution: Information Provided

> Error in system.log file about the compaction
> ---------------------------------------------
>
>                 Key: CASSANDRA-10722
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10722
>             Project: Cassandra
>          Issue Type: Test
>         Environment: 2nodes, 
> each 8GB RAM
> 500GB Disk
> dual core
>            Reporter: Arunsandu
>            Priority: Minor
>         Attachments: Error_Compaction_systemlog.txt
>
>
> Was performing load testing on my tables using cassandra-stress and after the test I did drop the keyspace(autogeneratedtest). I keep getting the message in system.log every minute. 
> component_tracking_by_scid-ka-6-Data.db
> component_tracking_by_scid-ka-7-Data.db
> component_tracking_by_scid-ka-8-Data.db
> component_tracking_by_scid-ka-9-Data.db
> component_tracking_by_scid-ka-10-Data.db
> These SSTables no longer exists in my data directory. Just wanted to know if deleting saved_caches of this keyspace would fix my issue. If so, is that good practice to delete saved_caches?
> -------------------------------------------------------------
> INFO  [CompactionExecutor:5] 2015-11-17 09:27:58,894  CompactionTask.java:141 - Compacting [SSTableReader(path='/apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-8-Data.db'), SSTableReader(path='/apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-7-Data.db'), SSTableReader(path='/apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-6-Data.db'), SSTableReader(path='/apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-9-Data.db'), SSTableReader(path='/apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-10-Data.db')]
> ERROR [CompactionExecutor:5] 2015-11-17 09:27:58,895  CassandraDaemon.java:222 - Exception in thread Thread[CompactionExecutor:5,1,main]
> java.lang.AssertionError: /apps/apg-data.cassandra/data/autogeneratedtest/component_tracking_by_scid-bb55a0818a6111e59c5e677600703f12/autogeneratedtest-component_tracking_by_scid-ka-8-Data.db
>         at org.apache.cassandra.io.sstable.SSTableReader.getApproximateKeyCount(SSTableReader.java:279) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
>         at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:151) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
>         at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
>         at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:73) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
>         at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
>         at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:236) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_31]
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_31]
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_31]
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_31]
>         at java.lang.Thread.run(Thread.java:745) [na:1.8.0_31]



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