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From "Billy Pearson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1486) BLOCKCACHE always on even when disabled
Date Sun, 07 Jun 2009 00:40:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12717000#action_12717000
] 

Billy Pearson commented on HBASE-1486:
--------------------------------------

when I create a new table and do not define block cache in the column it was getting set to
true

also same in meta

{code}
hbase(main):002:0> describe '.META.'
09/06/06 19:37:36 INFO zookeeper.ZooKeeperWrapper: Quorum servers: server-1:2181
09/06/06 19:37:37 DEBUG client.HConnectionManager$TableServers: Got ZooKeeper event, state:
SyncConnected, type: None, path: null
09/06/06 19:37:37 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/master got 10.0.1.1:60000
DESCRIPTION                                                             ENABLED
09/06/06 19:37:37 DEBUG client.HConnectionManager$TableServers: Got ZooKeeper event, state:
SyncConnected, type: None, path: null
09/06/06 19:37:37 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server got
10.0.1.5:60020
09/06/06 19:37:37 DEBUG client.HConnectionManager$TableServers: Found ROOT at 10.0.1.5:60020
09/06/06 19:37:37 DEBUG client.HConnectionManager$TableServers: address: 10.0.1.8:60020, regioninfo:
REGION => {NAME => '.META.,,1', STARTKEY => '', ENDKEY => '', ENCODED => 1028785192,
TABLE => {{NAME => '.META.', MEMCACHE_FLUSHSIZE => '16384', IS_META => 'true',
FAMILIES => [{NAME => 'historian', VERSIONS => '2147483647', COMPRESSION => 'NONE',
TTL => '604800', BLOCKSIZE => '8192', IN_MEMORY => 'false', BLOCKCACHE => 'false'},
{NAME => 'info', VERSIONS => '10', COMPRESSION => 'NONE', TTL => '2147483647',
BLOCKSIZE => '8192', IN_MEMORY => 'false', BLOCKCACHE => 'true'}]}}
09/06/06 19:37:37 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode /hbase/root-region-server got
10.0.1.5:60020
09/06/06 19:37:37 DEBUG client.HConnectionManager$TableServers: Found ROOT at 10.0.1.5:60020
 {NAME => '.META.', MEMCACHE_FLUSHSIZE => '16384', IS_META => 'true', 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'}]}
1 row(s) in 0.2430 seconds

{code}


> BLOCKCACHE always on even when disabled
> ---------------------------------------
>
>                 Key: HBASE-1486
>                 URL: https://issues.apache.org/jira/browse/HBASE-1486
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>            Assignee: Lars George
>             Fix For: 0.20.0
>
>         Attachments: 1486-2.patch, 1486.patch
>
>
> Comes from Billy Pearson up on list.

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