Details
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Sub-task
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Status: Resolved
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Normal
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Resolution: Won't Fix
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None
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Performance
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Normal
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All
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None
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Description
By pooling merge iterators, instead of creating new ones each time we need them, we can reduce garbage on the compaction and read paths under relevant workloads by ~4% in many cases.
Attachments
Issue Links
- is depended upon by
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CASSANDRA-15533 Don't allocate unneeded MergeIterator in OnDiskToken#iterator
- In Progress