stack created HBASE-20786:
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Summary: Table create with thousands of regions takes too long
Key: HBASE-20786
URL: https://issues.apache.org/jira/browse/HBASE-20786
Project: HBase
Issue Type: Umbrella
Components: Performance
Reporter: stack
Internal testing has create of a table with 33k regions taking 18 minutes. Let
me provide more info below. We have an executor with default ten threads
handling the creation of the regions in HDFS which helps distribute out the
load but its not enough. This cluster had >600 servers. Let me add detail.
Need to spend some time on speeding up create/assigns. Made this an umbrella
issue so can pick off pieces of the problem as subtasks.
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