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From "Chase Bradford (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-13566) CqlInputFormat misconfigures thread pool
Date Wed, 31 May 2017 18:05:04 GMT

     [ 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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