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https://issues.apache.org/jira/browse/HBASE-4554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mingjie Lai updated HBASE-4554:
-------------------------------
Status: Patch Available (was: In Progress)
> Allow set/unset coprocessor table attributes from shell.
> --------------------------------------------------------
>
> Key: HBASE-4554
> URL: https://issues.apache.org/jira/browse/HBASE-4554
> Project: HBase
> Issue Type: Improvement
> Components: coprocessors
> Reporter: Mingjie Lai
> Assignee: Mingjie Lai
> Fix For: 0.92.0
>
>
> Table/region level coprocessor -- RegionObserver -- can be configured by
> setting a HTD's attribute which matches Coprocessor$*.
> Current shell -- alter -- cannot support to set/unset a table's arbitrary
> attribute. We need it in order to configure region level coprocessors to a
> table.
> Proposed new shell:
> {code}
> hbase shell > alter 't1', METHOD => 'table_att', COPROCESSOR$1 =>
> 'hdfs://cp/foo.jar|org.apache.hadoop.hbase.sample|1|'
> hbase shell > describe 't1'
> {NAME => 't1', COPROCESSOR$1 =>
> 'hdfs://cp/foo.jar|org.apache.hadoop.hbase.sample|1|', MAX_FILESIZE =>
> '134217728', ...}
> hbase shell > alter 't1', METHOD => 'table_att_unset', COPROCESSOR$1
> hbase shell > describe 't1'
> {NAME => 't1', MAX_FILESIZE => '134217728', ...}
> {code}
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