MemStoreFlusher lower bound should be allowed to be lower.
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Key: HBASE-4314
URL: https://issues.apache.org/jira/browse/HBASE-4314
Project: HBase
Issue Type: Improvement
Reporter: Jonathan Hsieh
It might be nice to have the lower bound of a mem store set to a percentage or
some set value such as Math.min(10% of heap, 100MB).
As an example, for applications that only bulk load and just want a big read
cache, it makes sense that you might have a 10GB heap and set this to 0.02 for
200MB, since memstores are basically unused. An app that writes rarely could be
configured to such a low value such as 0.05. (which is below the current .10
threshold)
Automatically changing back to the default limit (.35) could be nasty.
Maybe we should just warn, rather than silently changing config?
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