-
Type:
Sub-task
-
Status: Resolved
-
Priority:
Normal
-
Resolution: Won't Fix
-
Fix Version/s: 4.0.x
-
Component/s: Local/Compaction
-
Labels:None
-
Change Category:Performance
-
Complexity:Normal
-
Platform:All
-
Impacts:None
-
Test and Documentation Plan:
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.
- is depended upon by
-
CASSANDRA-15533 Don't allocate unneeded MergeIterator in OnDiskToken#iterator
-
- Patch Available
-