Anoop Sam John created HBASE-24352:
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Summary: Skip HDFSBlockDistribution calc when FS is not HDFS
Key: HBASE-24352
URL: https://issues.apache.org/jira/browse/HBASE-24352
Project: HBase
Issue Type: Improvement
Reporter: Anoop Sam John
Assignee: Anoop Sam John
Fix For: 3.0.0-alpha-1, 2.4.0
HDFSBlockDistribution is used in different places like Balancer,
DateTieredCompaction, CompactionTool etc. In Balancer area there is a config
'hbase.master.balancer.uselocality' using which we can skip this. But
irrespective of this config, if we are on non HDFS FS, we should skip this.
The block distribution issue many file status commands to underlying FS which
wont be that cheap in a cloud FS. This jira aims at correcting all these
places.
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