[HBASE-25518] Support separate child regions to different region servers - ASF JIRA

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Type: Improvement
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 3.0.0-alpha-1, 2.5.0, 2.4.3
Component/s: None
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Config key for enable/disable automatically separate child regions to different region servers in the procedure of split regions. One child will be kept to the server where parent region is on, and the other child will be assigned to a random server.

hbase.master.auto.separate.child.regions.after.split.enabled

Default setting is false/off.

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Config key for enable/disable automatically separate child regions to different region servers in the procedure of split regions. One child will be kept to the server where parent region is on, and the other child will be assigned to a random server. hbase.master.auto.separate.child.regions.after.split.enabled Default setting is false/off.

Description

Hot/Large regions can be splitted automatically by some split policies. But children regions will be both on the RS which owns the parent region. We can support dividing child regions from the master side, maybe add a step at the last of SplitTableRegionProcedure.

Attachments

Issue Links

is duplicated by

HBASE-25222 Add a cost function to move the daughter regions of a recent split to different region servers

Resolved

links to

GitHub Pull Request #3001

Activity

People

Assignee:: Xiaolin Ha

Reporter:: Xiaolin Ha

Votes:: 0 Vote for this issue

Watchers:: 9 Start watching this issue

Dates

Created:: 17/Jan/21 14:42

Updated:: 19/Oct/23 23:07

Resolved:: 18/Mar/21 19:41