Andrey Stepachev created HBASE-12203:
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Summary: Remove Master from table status query path.
Key: HBASE-12203
URL: https://issues.apache.org/jira/browse/HBASE-12203
Project: HBase
Issue Type: Improvement
Components: Client, master
Affects Versions: 2.0.0
Reporter: Andrey Stepachev
Fix For: 1.0.0, 2.0.0
With patch HBASE-7767 we moved table statuses from ZK to HDFS. That was a good
cleanup, but we put additional (substantial) load on master. Some client
requests use checks for table state (for example HBASE-12035).
Thats is why patch was not back ported to branch1 (HBASE-11978)
Lets replicate state back to zk, but as a mirror of table states.
What can be done:
1. TableStateManager would push table state changes to zk
2. Return back ZKTableStateClientSideReader.
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