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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1633) BatchWriter and variants don't assert maxMemory as a positive, non-zero value
Date Tue, 03 Sep 2013 01:25:51 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13756299#comment-13756299
] 

Ted Yu commented on ACCUMULO-1633:
----------------------------------

Another option is to change the condition for above loop to:
{code}
    while ((totalMemUsed > maxMem || flushing) && !somethingFailed) {
{code}
                
> BatchWriter and variants don't assert maxMemory as a positive, non-zero value
> -----------------------------------------------------------------------------
>
>                 Key: ACCUMULO-1633
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1633
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 1.4.3
>            Reporter: Josh Elser
>              Labels: newbie
>             Fix For: 1.4.5
>
>
> I inadvertently provided 0l to the maxMemory argument to create a BatchWriter and my
code immediately sat idle.
> Once I figured out my problem, I was surprised that no validation was applied to the
value. This can cause a BatchWriter to sit indefinitely as it waits trying to "free memory".
It would be good to have a "reasonable" minimum (1KB?) to the BatchWriter/BatchDeleter/MultiTableBatchWriter.

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