Make memstore.flush.size as a table level configuration
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Key: HBASE-5381
URL: https://issues.apache.org/jira/browse/HBASE-5381
Project: HBase
Issue Type: Improvement
Reporter: Liyin Tang
Assignee: Liyin Tang
Currently the region server will flush mem store of the region based on the
limitation of the global mem store flush size and global low water mark.
However, It will cause the hot tables, which serve more write traffic, to flush
too frequently even though the overall mem store heap usage is quite low. Too
frequently flush would also contribute to too many minor compactions.
So if we can make memstore.flush.size as a table level configuration, it would
be more flexible to config different tables with different desired mem store
flush size based on compaction ratio, recovery time and put ops.
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