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Posted to commits@cassandra.apache.org by "Chase Bradford (JIRA)" <ji...@apache.org> on 2017/05/31 18:05:04 UTC

[jira] [Updated] (CASSANDRA-13566) CqlInputFormat misconfigures thread pool

     [ https://issues.apache.org/jira/browse/CASSANDRA-13566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chase Bradford updated CASSANDRA-13566:
---------------------------------------
    Component/s:     (was: Core)
                 Local Write-Read Paths

> CqlInputFormat misconfigures thread pool
> ----------------------------------------
>
>                 Key: CASSANDRA-13566
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13566
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local Write-Read Paths
>            Reporter: Chase Bradford
>            Priority: Trivial
>
> The ThreadPoolExecutor used to fetch subsplits is configured with 0 core size, 128 max size and an unbounded queue for buffering tasks.  The unbounded queue will keep the pool from growing above the bare minimum size, which results in an executor that only allocates a single thread.  I think the intent was to allow up to 128 threads.  If that's the case, then core size should change to 128.



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