[jira] [Updated] (HBASE-10688) Add a draining_node script to manage nodes in draining mode

["Enis Soztutar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-10688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Enis Soztutar updated HBASE-10688:
----------------------------------

    Attachment: 0001-HBASE-10688-v1.patch

Attaching a patch for a ruby script for managing draining_nodes in zk: 

{code}
Usage: ./hbase org.jruby.Main draining_servers.rb [options] add|remove|list <hostname>|<host:port>|<servername> ...
Add remove or list servers in draining mode. Can accept either hostname to drain all region serversin that host, a host:port pair or a host,port,startCode triplet. More than one server can be given separated by space
    -h, --help                       Display usage information
    -d, --debug                      Display extra debug logging
{code}

I have tested this with:
{code}
bin/hbase org.jruby.Main bin/draining_servers.rb add  localhost,60010,23223 10.11.2.75,49740
bin/hbase org.jruby.Main bin/draining_servers.rb list 
localhost,60010,23223
10.11.2.75,49740,1391051351778
bin/hbase org.jruby.Main bin/draining_servers.rb remove 10.11.2.75,49740
 bin/hbase org.jruby.Main bin/draining_servers.rb list 
localhost,60010,23223
{code}

> Add a draining_node script to manage nodes in draining mode
> -----------------------------------------------------------
>
>                 Key: HBASE-10688
>                 URL: https://issues.apache.org/jira/browse/HBASE-10688
>             Project: HBase
>          Issue Type: Sub-task
>          Components: scripts
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 0.99.0
>
>         Attachments: 0001-HBASE-10688-v1.patch
>
>
> As per parent issue, our support for graceful stop and node decommissioning can be improved a lot. However, until we fix it for good, we can add a draining_node script to manage the nodes in draining mode in zk. 



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