[ https://issues.apache.org/jira/browse/KUDU-3248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Grant Henke resolved KUDU-3248. ------------------------------- Fix Version/s: 1.15.0 Resolution: Fixed > Expose replica selection option that provides better affinity for remote scans > ------------------------------------------------------------------------------ > > Key: KUDU-3248 > URL: https://issues.apache.org/jira/browse/KUDU-3248 > Project: Kudu > Issue Type: Improvement > Components: client > Reporter: David Rorke > Assignee: Grant Henke > Priority: Major > Fix For: 1.15.0 > > > Kudu clients like Impala that use the CLOSEST_REPLICA selection option can > suffer from bad tserver buffer cache warmup/locality during remote scans due > to lack of tserver affinity as described in IMPALA-10481. > The Kudu client should expose a replica selection option that provides better > affinity when doing remote scans. The comments in IMPALA-10481 suggest a > new LOCAL_OR_LEADER option that would select a local replica if one exists, > otherwise fallback to the leader. -- This message was sent by Atlassian Jira (v8.3.4#803005)