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Posted to issues@hbase.apache.org by "Chia-Ping Tsai (JIRA)" <ji...@apache.org> on 2017/10/04 15:05:00 UTC
[jira] [Commented] (HBASE-18131) Add an hbase shell command to
clear deadserver list in ServerManager
[ https://issues.apache.org/jira/browse/HBASE-18131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16191399#comment-16191399 ]
Chia-Ping Tsai commented on HBASE-18131:
----------------------------------------
(Revisiting the AccessController remind me of this issue)
Could we remove the duplicate code on the server side? Why not pass a list of server name to {{postClearDeadServers}} and {{postListDeadServers}}?
> Add an hbase shell command to clear deadserver list in ServerManager
> --------------------------------------------------------------------
>
> Key: HBASE-18131
> URL: https://issues.apache.org/jira/browse/HBASE-18131
> Project: HBase
> Issue Type: New Feature
> Components: Operability
> Reporter: Yu Li
> Assignee: Guangxu Cheng
> Fix For: 1.4.0, 1.5.0, 2.0.0-alpha-3
>
> Attachments: HBASE-18131.branch-1.v1.patch, HBASE-18131.branch-1.v2.patch, HBASE-18131.master.v1.patch, HBASE-18131.master.v2.patch, HBASE-18131.master.v3.patch, HBASE-18131.master.v4.patch, HBASE-18131.master.v5.patch, HBASE-18131.master.v6.patch, HBASE-18131.master.v6.patch, HBASE-18131.master.v7.patch, HBASE-18131.patch
>
>
> Currently if a regionserver is aborted due to fatal error or stopped by operator on purpose, it will be added into {{ServerManager#deadservers}} list and shown as "Dead Servers" in the master UI. This is a valid warn for operators to notice the self-aborted servers and give a sanity check to avoid further issues. However, after necessary checks, even if operator is sure that the node is decommissioned (such as for repair), there's no way to clear the dead server list except restarting master. See more details in [this discussion|http://mail-archives.apache.org/mod_mbox/hbase-user/201705.mbox/%3CCAM7-19%2BD4MLu2b1R94%2BtWQDspjfny2sCy4Qit8JtCgjvTOZzzg%40mail.gmail.com%3E] in mail list
> Here we propose to add a hbase shell command to allow clearing dead server list in {{ServerManager}} for advanced users, and the command should be executed with caution.
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