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https://issues.apache.org/jira/browse/HBASE-5930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639805#comment-13639805
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Hadoop QA commented on HBASE-5930:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12568108/5930-2.3.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 3 new
or modified tests.
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/5418//console
This message is automatically generated.
> Periodically flush the Memstore?
> --------------------------------
>
> Key: HBASE-5930
> URL: https://issues.apache.org/jira/browse/HBASE-5930
> Project: HBase
> Issue Type: Improvement
> Reporter: Lars Hofhansl
> Assignee: Devaraj Das
> Priority: Minor
> Fix For: 0.95.1
>
> Attachments: 5930-1.patch, 5930-2.1.patch, 5930-2.2.patch,
> 5930-2.3.patch, 5930-wip.patch
>
>
> A colleague of mine ran into an interesting issue.
> He inserted some data with the WAL disabled, which happened to fit in the
> aggregate Memstores memory.
> Two weeks later he a had problem with the HDFS cluster, which caused the
> region servers to abort. He found that his data was lost. Looking at the log
> we found that the Memstores were not flushed at all during these two weeks.
> Should we have an option to flush memstores periodically. There are obvious
> downsides to this, like many small storefiles, etc.
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