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https://issues.apache.org/jira/browse/HBASE-5075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497092#comment-13497092
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Hadoop QA commented on HBASE-5075:
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{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12515893/HBase-5075-shell.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/3337//console
This message is automatically generated.
> regionserver crashed and failover
> ---------------------------------
>
> Key: HBASE-5075
> URL: https://issues.apache.org/jira/browse/HBASE-5075
> Project: HBase
> Issue Type: Improvement
> Components: monitoring, regionserver, Replication, Zookeeper
> Affects Versions: 0.90.5
> Reporter: zhiyuan.dai
> Fix For: 0.90.5
>
> Attachments: Degion of Failure Detection.pdf, HBase-5075-shell.patch,
> HBase-5075-src.patch
>
>
> regionserver crashed,it is too long time to notify hmaster.when hmaster know
> regionserver's shutdown,it is long time to fetch the hlog's lease.
> hbase is a online db, availability is very important.
> i have a idea to improve availability, monitor node to check regionserver's
> pid.if this pid not exsits,i think the rs down,i will delete the znode,and
> force close the hlog file.
> so the period maybe 100ms.
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