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Type:
Bug
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Status: Resolved
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Priority:
Normal
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Resolution: Fixed
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Fix Version/s: 1.0.2
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Component/s: None
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Labels:
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Severity:Normal
The CompressionMetada holds the compressed block offsets in memory. Without being absolutely huge, this is still of non-negligible size as soon as you have a bit of data in the DB. Reallocating this for each read is a very bad idea.
Note that this only affect range queries, since "normal" queries uses CompressedSegmentedFile that does reuse a unique CompressionMetadata instance.
( Background: http://thread.gmane.org/gmane.comp.db.cassandra.user/21362 )