Mohammad Arshad created HBASE-24025:
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Summary: Improve performance of move_servers_rsgroup and
move_tables_rsgroup by using async region move API
Key: HBASE-24025
URL: https://issues.apache.org/jira/browse/HBASE-24025
Project: HBase
Issue Type: Improvement
Components: rsgroup
Reporter: Mohammad Arshad
Assignee: Mohammad Arshad
Currently move_servers_rsgroup and move_tables_rsgroup commands and APIs are
taking lot of time.
In my test environment, to move a server with 100 regions it takes around 137
seconds.
Similarly it takes around same time to move a table with 100 regions to other
group.
The time taken in rsgroup meta update is negligible. Almost all the time is
taken in region moment. This is happening because region is moved serially
using getAssignmentManager().move(region) API
API getAssignmentManager().moveAsync(regionplan) can be used to move the
regions in parallel to improve the performance of region group move servers and
tables commands and APIs
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