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https://issues.apache.org/jira/browse/IMPALA-12513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17784266#comment-17784266
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ASF subversion and git services commented on IMPALA-12513:
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Commit d2abbbbe6594fbf313cec01217f620a5f3b20945 in impala's branch
refs/heads/master from ttttttz
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=d2abbbbe6 ]
IMPALA-12513: Allow to reset metadata when the CatalogD becomes active
When switching active catalogd, the loaded metadata in the standby
catalogd may not be the latest. A backend flag should be provided
to control whether to reset metadata when the catalogd become active.
Adds the following startup flags for catalogd:
'catalogd_ha_reset_metadata_on_failover'. Default is false. If true,
reset all metadata when the catalogd becomes active.
Testing:
- Added a test case to start both catalogds with flag
'catalogd_ha_reset_metadata_on_failover' as true.
- Passed core tests
Change-Id: I2b54f36f96e7901499105e51790d8e2300d7fea9
Reviewed-on: http://gerrit.cloudera.org:8080/20614
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> The metadata should be reset when the CatalogD become active
> ------------------------------------------------------------
>
> Key: IMPALA-12513
> URL: https://issues.apache.org/jira/browse/IMPALA-12513
> Project: IMPALA
> Issue Type: Bug
> Reporter: Zhi Tang
> Priority: Major
>
> When performing an automatic failover of CatalogD, we should ensure that the
> metadata for active Catalogd is up to date.
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