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Posted to issues@hbase.apache.org by "Harsh J (JIRA)" <ji...@apache.org> on 2012/04/25 19:28:18 UTC
[jira] [Updated] (HBASE-4554) Allow set/unset coprocessor table
attributes from shell.
[ https://issues.apache.org/jira/browse/HBASE-4554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harsh J updated HBASE-4554:
---------------------------
Attachment: HBase-4554-trunk-0.92-3.patch
Attaching the patch that was committed to the ticket for persistence.
(Disclaimer: I'm not the author of the patch. I merely grabbed it from https://reviews.apache.org/r/2350/diff/raw/ so that it exists as an object in the issue tracker. I'm hence not checking the grant button.)
> 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, 0.94.0
>
> Attachments: HBase-4554-trunk-0.92-3.patch
>
>
> 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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