Ian Maxon created ASTERIXDB-3315:
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Summary: Exclude compression-related pins from metrics
Key: ASTERIXDB-3315
URL: https://issues.apache.org/jira/browse/ASTERIXDB-3315
Project: Apache AsterixDB
Issue Type: Bug
Reporter: Ian Maxon
Assignee: Ian Maxon
The compression uses the buffercache for the LAF and other things. These pins
are counted in the buffercacheHitRatio metric. Including them leads to a
misleadingly high ratio for the query because the LAF is hot and almost always
entirely in cache. These should be excluded from this calculation.
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