shardul-cr7 opened a new pull request #570: HBASE-22013 SpaceQuotas - 
getNumRegions() returning wrong number of regions due to region replicas
URL: https://github.com/apache/hbase/pull/570
 
 
   Space Quota: Space Quota Issue: If a table is created with region replica 
then quota calculation is not happening
   
   Steps:
   
   1: Create a table with 100 regions with region replica 3
   
   2: Observe that 'hbase:quota' table doesn't have entry of usage for this 
table So In UI only policy Limit and Policy is shown but not Usage and State.
   
   Reason:
   
   It looks like File system utilization core is sending data of 100 reasons 
but not the size of region replicas.
   
   But in quota observer chore, it is considering total region(actual regions+ 
replica reasons)
   
   So the ratio of reported regions is less then configured 
percentRegionsReportedThreshold.
   SO quota calculation is not happening

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