feat: Change default off-heap memory pool from greedy_unified to fair_unified#2526
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mbutrovich merged 3 commits intoapache:mainfrom Oct 6, 2025
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greedy_unified to fair_unifiedgreedy_unified to fair_unified
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #2526 +/- ##
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+ Coverage 56.12% 59.00% +2.88%
- Complexity 976 1457 +481
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Files 119 146 +27
Lines 11743 13566 +1823
Branches 2251 2358 +107
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+ Hits 6591 8005 +1414
- Misses 4012 4340 +328
- Partials 1140 1221 +81 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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greedy_unified to fair_unifiedgreedy_unified to fair_unified
mbutrovich
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Thanks @andygrove! Good find!
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Good one Andy! |
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Which issue does this PR close?
Closes #2452
Rationale for this change
The greedy unified pool does not work well when DataFusion's SortMergeJoin needs to spill.
What changes are included in this PR?
How are these changes tested?