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Type:
Build Failure
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Resolution: Won't Fix
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: Cache and Eviction
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Storage Engines - Transactions
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SE Transactions - 2026-01-16
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5
A recent change affecting the wiredtiger evergreen project has potentially caused performance changes to one or more automated performance tests.
- Commit info - e18324d, 2025-07-08
- Failing Evergreen Task
This Perf BF may contain both regressions and improvements with the emphasis being drawn to regressions. On the Perf BF page, you may filter out regressions by selecting the corresponding Change Type (far left) column in the table.
- All performance metrics, tasks and tests that have been altered as a result of this change can be found in the Full list of change points for this BF

When closing this ticket, please populate the 'Fix revision' field if appropriate.
- is related to
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WT-14653 Add logs/stats to reconciliation for tracking HS updates
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- Closed
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WT-14935 Solve: SUMMARY: ThreadSanitizer: data race /home/ec2-user/work/git/wiredtiger-arm/src/support/mtx_rw.c:168:71 in __read_blocked
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- Closed
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WT-14869 Pack prepared ts and prepared id correctly to cell format and unpack them accordingly
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- Closed
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WT-14951 Merge newer disagg code into develop
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- Closed
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WT-14947 Suppress perf critical warnings
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- Closed
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WT-15007 11.19% increase in Read count in Variant amazon2023-perf-tests-arm64 for Task perf-test-evict-btree-1 in Test evict-btree-1.wtperf
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- Closed
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- related to
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WT-14894 4.84% decrease in Read count in Variant amazon2023-perf-tests-arm64 for Task perf-test-evict-btree-1 in Test evict-btree-1.wtperf
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- Open
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