[jira] [Resolved] (IMPALA-8634) Catalog client should be resilient to temporary Catalog outage
[ https://issues.apache.org/jira/browse/IMPALA-8634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sahil Takiar resolved IMPALA-8634. -- Fix Version/s: Impala 3.4.0 Resolution: Fixed > Catalog client should be resilient to temporary Catalog outage > -- > > Key: IMPALA-8634 > URL: https://issues.apache.org/jira/browse/IMPALA-8634 > Project: IMPALA > Issue Type: Improvement > Components: Catalog >Affects Versions: Impala 3.2.0 >Reporter: Michael Ho >Assignee: Sahil Takiar >Priority: Critical > Fix For: Impala 3.4.0 > > > Currently, when the catalog server is down, catalog clients will fail all > RPCs sent to it. In essence, DDL queries will fail and the Impala service > becomes a lot less functional. Catalog clients should consider retrying > failed RPCs with some exponential backoff in between while catalog server is > being restarted after crashing. We probably need to add [a test > |https://github.com/apache/impala/blob/master/tests/custom_cluster/test_restart_services.py] > to exercise the paths of catalog restart to verify coordinators are > resilient to it. > cc'ing [~stakiar], [~joemcdonnell], [~twm378] -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Resolved] (IMPALA-8634) Catalog client should be resilient to temporary Catalog outage
[ https://issues.apache.org/jira/browse/IMPALA-8634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sahil Takiar resolved IMPALA-8634. -- Fix Version/s: Impala 3.4.0 Resolution: Fixed > Catalog client should be resilient to temporary Catalog outage > -- > > Key: IMPALA-8634 > URL: https://issues.apache.org/jira/browse/IMPALA-8634 > Project: IMPALA > Issue Type: Improvement > Components: Catalog >Affects Versions: Impala 3.2.0 >Reporter: Michael Ho >Assignee: Sahil Takiar >Priority: Critical > Fix For: Impala 3.4.0 > > > Currently, when the catalog server is down, catalog clients will fail all > RPCs sent to it. In essence, DDL queries will fail and the Impala service > becomes a lot less functional. Catalog clients should consider retrying > failed RPCs with some exponential backoff in between while catalog server is > being restarted after crashing. We probably need to add [a test > |https://github.com/apache/impala/blob/master/tests/custom_cluster/test_restart_services.py] > to exercise the paths of catalog restart to verify coordinators are > resilient to it. > cc'ing [~stakiar], [~joemcdonnell], [~twm378] -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org
