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Posted to dev@hbase.apache.org by "Victor Xu (JIRA)" <ji...@apache.org> on 2015/12/09 03:22:10 UTC

[jira] [Created] (HBASE-14954) IllegalArgumentException was thrown when doing online configuration change in CompactSplitThread

Victor Xu created HBASE-14954:
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             Summary: IllegalArgumentException was thrown when doing online configuration change in CompactSplitThread
                 Key: HBASE-14954
                 URL: https://issues.apache.org/jira/browse/HBASE-14954
             Project: HBase
          Issue Type: Bug
          Components: Compaction, regionserver
    Affects Versions: 1.1.2
            Reporter: Victor Xu
            Assignee: Victor Xu


Online configuration change is a terrific feature for HBase administrators. However, when we use this feature to tune compaction thread pool size online, it triggered a IllegalArgumentException. The cause is the order of setMaximumPoolSize() and setCorePoolSize() of ThreadPoolExecutor: when turning parameters bigger, we should setMax first; when turning parameters smaller, we need to setCore first. Besides, there is also a copy-code bug in merge and split thread pool which I will fix together.



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