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https://issues.apache.org/jira/browse/HBASE-2451?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack resolved HBASE-2451.
--------------------------
Hadoop Flags: [Reviewed]
Assignee: stack
Resolution: Fixed
Committed to branches and trunk. Thanks for review Ryan.
> .META. by-passes cache; BLOCKCACHE=>'false'
> -------------------------------------------
>
> Key: HBASE-2451
> URL: https://issues.apache.org/jira/browse/HBASE-2451
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Priority: Blocker
> Fix For: 0.20.4, 0.20.5, 0.21.0
>
> Attachments: meta.txt, meta3.txt
>
>
> In a new install, if I describe '.META.', it says:
> {code}
> DESCRIPTION
> ENABLED
> {NAME => '.META.', IS_META => 'true', MEMSTORE_FLUSHSIZE => '16384', F true
>
> AMILIES => [{NAME => 'historian', COMPRESSION => 'NONE', VERSIONS => '
>
> 2147483647', TTL => '604800', BLOCKSIZE => '8192', IN_MEMORY => 'false
>
> ', BLOCKCACHE => 'false'}, {NAME => 'info', COMPRESSION => 'NONE', VER
>
> SIONS => '10', TTL => '2147483647', BLOCKSIZE => '8192', IN_MEMORY =>
>
> 'false', BLOCKCACHE => 'true'}]}
> {code}
> BLOCKCACHE is 'true' for the 'info' family (Yes historian is still in 0.20
> branch).
> But, if I add logging to hfile and storefile and store, blockcache is 'false'
> -- there is no cache constructed for use by the hfile.
> This is killing cluster performance.
> It looks like a problem parsing the 'true' value in columnfamily. I'll put
> up a patch in the morning. Meantime, marking as blocker on 0.20.4.
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