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Posted to dev@accumulo.apache.org by "Keith Turner (Resolved) (JIRA)" <ji...@apache.org> on 2011/11/03 20:45:32 UTC
[jira] [Resolved] (ACCUMULO-110) Scanner creates threads too
frequently
[ https://issues.apache.org/jira/browse/ACCUMULO-110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Turner resolved ACCUMULO-110.
-----------------------------------
Resolution: Fixed
> Scanner creates threads too frequently
> --------------------------------------
>
> Key: ACCUMULO-110
> URL: https://issues.apache.org/jira/browse/ACCUMULO-110
> Project: Accumulo
> Issue Type: Bug
> Components: client
> Reporter: Keith Turner
> Assignee: Keith Turner
> Fix For: 1.4.0
>
>
> After the scanner has read a few batches of data from the tablet server it starts creating read ahead threads to read batches. A thread is created per batch. After a thread reads a batch it exits. A thread pool was not used because the scanner does not have a close method. A user suggested using a static thread pool, see the following email chain.
> http://mail-archives.apache.org/mod_mbox/incubator-accumulo-dev/201111.mbox/%3C4EB04FE3.5020005@digitalreasoning.com%3E
> This static pool should be unbounded, time out threads, use a Synchronous Queue, and create daemon threads.
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