StoreFile Blooms are Being Stored Undersized
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Key: HBASE-3007
URL: https://issues.apache.org/jira/browse/HBASE-3007
Project: HBase
Issue Type: Bug
Components: regionserver
Affects Versions: 0.89.20100621
Reporter: Nicolas Spiegelberg
Assignee: Nicolas Spiegelberg
Priority: Minor
While looking through error logs today, I noticed the following line.
{code}
2010-09-16 04:12:26,401 INFO org.apache.hadoop.hbase.regionserver.StoreFile:
Bloom added to HFile. 9600B, 10292/6933 (148%)
{code}
The last 3 numbers are: # of keys in bloom, # of keys preallocated for bloom, %
full. The last number should never be > 100%. Oversized blooms will cause
increased false positives. Note that this occurred on a Row+Col bloom. Will
provide more details after further instrumentation.
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