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https://issues.apache.org/jira/browse/HBASE-5075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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代志远 updated HBASE-5075:
-----------------------
Affects Version/s: (was: 0.90.4)
0.92.1
Fix Version/s: (was: 0.92.1)
Summary: regionserver crashed and failover (was: regionserver
crashed,and failover)
> 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: 0.92.1
> Reporter: 代志远
>
> 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,mintor node to check regionserver's
> pid.if this pid notexsits,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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