[HBASE-25135] Convert the internal seperator while emitting the memstore read metrics to #

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 2.3.3, 2.4.0, 2.2.7
• Hadoop Flags: Reviewed
• Assignee: ramkrishna.s.vasudevan
• Reporter: ramkrishna.s.vasudevan
• Created: 01/Oct/20 05:55
• Updated: 05/Oct/20 09:25
• Resolved: 01/Oct/20 13:00

Description

Convert the '_' seperator while forming the metric for memstore reads and mixed reads to '#'.
This will avoid cases where the column family itself might have '_' in them.

Issue Links

• depends upon: HBASE-24205 Create metric to know the number of reads that happens from memstore
• links to: GitHub Pull Request #2486
• links to: GitHub Pull Request #2489