[HBASE-22434] Improve clear meta cache

• Type: Bug
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.2.0
• Component/s: Client
• Assignee: Lijin Bin
• Reporter: Lijin Bin
• Created: 16/May/19 02:55
• Updated: 27/May/19 12:24

Description

2.2.0 clear meta cache more aggressive and give more load to meta region, need to improve the clear logic. This is relate to the AsyncRequestFutureImpl#cleanServerCache logic.

Issue Links

• is related to: HBASE-22165 Huge Read requests for Meta table, while scan the user table with SCVF.
• is related to: HBASE-19900 Region-level exception destroy the result of batch
• is related to: HBASE-21196 HTableMultiplexer clears the meta cache after every put operation
• is related to: HBASE-21775 The BufferedMutator doesn't ever refresh region location cache
• links to: reviw board