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https://issues.apache.org/jira/browse/CASSANDRA-13496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joshua McKenzie updated CASSANDRA-13496:
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Labels: usability (was: )
> table with lots of column ( tens of thousands columns), system is very slow
> ----------------------------------------------------------------------------
>
> Key: CASSANDRA-13496
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13496
> Project: Cassandra
> Issue Type: Bug
> Components: CQL
> Environment: linux redhat 6.5 cassandra 3.10 using 2i
> cpu : 4 core , memory: 16G . 5 servers
> using gocql client
> Reporter: lizg
> Priority: Minor
> Labels: usability
> Attachments: debug.log, sql.txt
>
>
> In debug.log there are lots of
> DEBUG [COMMIT-LOG-ALLOCATOR] 2017-05-04 08:54:35,769
> AbstractCommitLogSegmentManager.java:107 - No segments in reserve; creating a
> fresh one
> DEBUG [MemtablePostFlush:54] 2017-05-04 08:49:19,699
> AbstractCommitLogSegmentManager.java:329 - Segment
> CommitLogSegment(/home/matrix/cassandra/commitlog/CommitLog-6-1493809341337.log)
> is no longer active and will be deleted now
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