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https://issues.apache.org/jira/browse/HBASE-20337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16425982#comment-16425982
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stack commented on HBASE-20337:
-------------------------------
Pushed the patch but added note on setting checksum flag to off when reading as
hbase does its own checksumming (to save on i/os -- added links to existing
explanation on why hbase does its own checksumming). Thanks to [~ram_krish] for
the reminder. Also added pointers to shortcircuit HDFS issue since it a good
read and to Colin's overview blog done on rollout.
> Update the doc on how to setup shortcircuit reads; its stale
> ------------------------------------------------------------
>
> Key: HBASE-20337
> URL: https://issues.apache.org/jira/browse/HBASE-20337
> Project: HBase
> Issue Type: Sub-task
> Reporter: stack
> Assignee: stack
> Priority: Major
> Fix For: 2.0.0
>
> Attachments: HBASE-20337.master.001.patch,
> HBASE-20337.master.002.patch
>
>
> The doc is from another era. Update it. Short-circuit reads can make a big
> difference.
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