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https://issues.apache.org/jira/browse/HBASE-16010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15771486#comment-15771486
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Enis Soztutar commented on HBASE-16010:
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bq. Let me open a subtask right away and make sure it will be in.
Ok, as long as there is a critical issue marked against the versions, and a
commitment to fix it, I'll be happy.
bq. You think we should combine the two steps into one?
I think so, having the draining functionality in a ruby script is not
acceptable (for the long term). That is why I was asking for the plans around
that. We do not have to address them now, but at least track those in a jira.
> Put draining function through Admin API
> ---------------------------------------
>
> Key: HBASE-16010
> URL: https://issues.apache.org/jira/browse/HBASE-16010
> Project: HBase
> Issue Type: Improvement
> Reporter: Jerry He
> Assignee: Matt Warhaftig
> Priority: Minor
> Attachments: hbase-16010-v1.patch, hbase-16010-v2.patch
>
>
> Currently, there is no Amdin API for draining function. Client has to
> interact directly with Zookeeper draining node to add and remove draining
> servers.
> For example, in draining_servers.rb:
> {code}
> zkw = org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.new(config,
> "draining_servers", nil)
> parentZnode = zkw.drainingZNode
> begin
> for server in servers
> node = ZKUtil.joinZNode(parentZnode, server)
> ZKUtil.createAndFailSilent(zkw, node)
> end
> ensure
> zkw.close()
> end
> {code}
> This is not good in cases like secure clusters with protected Zookeeper nodes.
> Let's put draining function through Admin API.
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