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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16044) Fix 'hbase shell' output parsing in graceful_stop.sh
Date Thu, 30 Jun 2016 19:49:10 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15357738#comment-15357738
] 

Sean Busbey commented on HBASE-16044:
-------------------------------------

+1

> Fix 'hbase shell' output parsing in graceful_stop.sh
> ----------------------------------------------------
>
>                 Key: HBASE-16044
>                 URL: https://issues.apache.org/jira/browse/HBASE-16044
>             Project: HBase
>          Issue Type: Bug
>          Components: scripts, shell
>    Affects Versions: 2.0.0
>            Reporter: Samir Ahmic
>            Assignee: Samir Ahmic
>            Priority: Critical
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16044.master.001.patch
>
>
> In some of our bash scripts we are piping command in hbase shell and then parsing response
to define variables.  Since 'hbase shell' output format is changed we are picking wrong values
from output Here is example form gracful_stop.sh:
> {code}
> HBASE_BALANCER_STATE=$(echo 'balance_switch false' | "$bin"/hbase --config "${HBASE_CONF_DIR}"
shell | tail -3 | head -1)
> {code}
> this will return "balance_switch true" instead of previous balancer  state.



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