cockroachdb / cockroachdb/cockroach
basalt-26.3.2-rc-20260914: kv/kvserver: TestStoreRangeMergeSplitRace_MergeWins failed
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branch-basalt-26.3.2-rc-20260914
C-test-failure
O-robot
release-blocker
T-kv
- Dominant language
- Go
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Description
kv/kvserver.TestStoreRangeMergeSplitRace_MergeWins failed on basalt-26.3.2-rc-20260914 @ d3eb08ebdd1dacc8d3dac0b107a7db5929e09969:
=== RUN TestStoreRangeMergeSplitRace_MergeWins
test_log_scope.go:172: test logs captured to: outputs.zip/logTestStoreRangeMergeSplitRace_MergeWins2143839408
test_log_scope.go:82: use -show-logs to present logs inline
test_server_shim.go:146: using test tenant configuration from testserver factory defaults
client_merge_test.go:1655: merge failed: checking RHS manifest before merge: descriptor generation mismatch: expected 2, found 3
panic.go:694: -- test log scope end --
test logs left over in: outputs.zip/logTestStoreRangeMergeSplitRace_MergeWins2143839408
--- FAIL: TestStoreRangeMergeSplitRace_MergeWins (5.49s)
Parameters:
attempt=1race=truerun=3shard=13
Same failure on other branches
- #175616 basalt-26.3.2-rc-20260916: kv/kvserver: TestStoreRangeMergeSplitRace_MergeWins failed [C-test-failure O-robot T-kv branch-basalt-26.3.2-rc-20260916 release-blocker]
- #175040 basalt-26.3: kv/kvserver: TestStoreRangeMergeSplitRace_MergeWins failed [C-test-failure O-robot P-3 T-kv X-duplicate branch-basalt-26.3]
- #174984 basalt-26.3.2-rc-20260908: kv/kvserver: TestStoreRangeMergeSplitRace_MergeWins failed [C-test-failure O-robot P-3 T-kv X-duplicate branch-basalt-26.3.2-rc-20260908]
- #174777 kv/kvserver: TestStoreRangeMergeSplitRace_MergeWins failed [A-testing C-bug C-test-failure O-robot P-3 T-kv branch-master]
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with kv/kvserver's TestStoreRangeMergeSplitRace_MergeWins and the failure at client_merge_test.go:1655. Inspect the captured test logs in outputs.zip/logTestStoreRangeMergeSplitRace_MergeWins2143839408 and compare the repeated failures linked in the issue. Done means the test no longer fails with the descriptor generation mismatch.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- go
- Domain
- databases, distributed-systems, testing-qa
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100