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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-19806) Lower max versions for table column family of hbase:meta
Date Thu, 25 Jan 2018 04:54:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-19806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-19806:
---------------------------
    Attachment: lower-namespace-max-vers.txt

> Lower max versions for table column family of hbase:meta
> --------------------------------------------------------
>
>                 Key: HBASE-19806
>                 URL: https://issues.apache.org/jira/browse/HBASE-19806
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>             Fix For: 2.0.0-beta-2
>
>         Attachments: 19806.v1.txt, lower-namespace-max-vers.txt
>
>
> On an hbase 2 cluster, I got the description of hbase:meta table:
> {code}
> {NAME => 'info', VERSIONS => '3', EVICT_BLOCKS_ON_CLOSE => 'false', NEW_VERSION_BEHAVIOR
=> 'false', KEEP_DELETED_CELLS => 'FALSE', CACHE_DATA_ON_WRITE => 'false', DATA_BLOCK_ENCODING
=> 'NONE', TTL => 'FOREVER', MIN_VERSIONS => '0',
> REPLICATION_SCOPE => '0', BLOOMFILTER => 'NONE', CACHE_INDEX_ON_WRITE => 'false',
IN_MEMORY => 'true', CACHE_BLOOMS_ON_WRITE => 'false', PREFETCH_BLOCKS_ON_OPEN =>
'false', COMPRESSION => 'NONE', BLOCKCACHE => 'true', BLOCKSIZE => '81
> 92'}
> ...
> {NAME => 'table', VERSIONS => '10', EVICT_BLOCKS_ON_CLOSE => 'false', NEW_VERSION_BEHAVIOR
=> 'false', KEEP_DELETED_CELLS => 'FALSE', CACHE_DATA_ON_WRITE => 'false', DATA_BLOCK_ENCODING
=> 'NONE', TTL => 'FOREVER', MIN_VERSIONS => '0'
> , REPLICATION_SCOPE => '0', BLOOMFILTER => 'NONE', CACHE_INDEX_ON_WRITE => 'false',
IN_MEMORY => 'true', CACHE_BLOOMS_ON_WRITE => 'false', PREFETCH_BLOCKS_ON_OPEN =>
'false', COMPRESSION => 'NONE', BLOCKCACHE => 'true', BLOCKSIZE => '
> 8192'}
> {code}
> You can see that 'table' family has MAX VERSIONS much higher than the other families.
> The MAX VERSIONS value should be brought in sync with the other families.



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