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Posted to dev@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2015/06/29 18:57:04 UTC
[jira] [Created] (HBASE-13989) Threshold for combined MemStore and
BlockCache percentages is not checked
Ted Yu created HBASE-13989:
------------------------------
Summary: Threshold for combined MemStore and BlockCache percentages is not checked
Key: HBASE-13989
URL: https://issues.apache.org/jira/browse/HBASE-13989
Project: HBase
Issue Type: Bug
Reporter: Ted Yu
Assignee: Ted Yu
In HeapMemoryManager#doInit():
{code}
blockCachePercentMinRange = conf.getFloat(BLOCK_CACHE_SIZE_MIN_RANGE_KEY, blockCachePercent);
blockCachePercentMaxRange = conf.getFloat(BLOCK_CACHE_SIZE_MAX_RANGE_KEY, blockCachePercent);
...
if (blockCachePercent == blockCachePercentMinRange
&& blockCachePercent == blockCachePercentMaxRange) {
return false;
}
{code}
If memory tuning is not specified, blockCachePercentMinRange and blockCachePercentMaxRange would carry the value of blockCachePercent.
This would make doInit() exit before checking the threshold for combined MemStore and BlockCache percentages.
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