[jira] Commented: (HBASE-1827) Add disabling block cache scanner flag to the shell, option for scan and count

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

    [ https://issues.apache.org/jira/browse/HBASE-1827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12754278#action_12754278 ] 

stack commented on HBASE-1827:
------------------------------

Patch looks good.  It applied for me.  When I went to use it, it seems it depends on another being present:

{code}
hbase(main):005:0> scan '.META.', {CACHE_BLOCKS => false}
NoMethodError: undefined method `setCacheBlocks' for #<Java::OrgApacheHadoopHbaseClient::Scan:0x94b318>
	from /home/stack/checkouts/workspace/svn_hbase_trunk/bin/../bin/hirb.rb:398:in `scan'
	from (hbase):6:in `irb_binding'
{code}

> Add disabling block cache scanner flag to the shell, option for scan and count
> ------------------------------------------------------------------------------
>
>                 Key: HBASE-1827
>                 URL: https://issues.apache.org/jira/browse/HBASE-1827
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: scripts
>    Affects Versions: 0.20.0
>            Reporter: Jonathan Gray
>             Fix For: 0.20.1, 0.21.0
>
>         Attachments: HBASE-1827.patch
>
>
> HBASE-1823 added an option for individual Scans to not cache blocks.  Expose this as an option in the shell for scan and count.

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