release-25.3: spanlatch: add cluster setting for slow latch request threshold #160032
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This adds a new cluster setting kv.concurrency.slow_latch_request_duration which configures the threshold for logging slow latch acquisitions. Previously, logging would occur after 15 seconds, but now the default is reduced to 5s. Informs cockroachdb#154271 Release note: None Epic: None Part of: CRDB-54843
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Backport 1/1 commits from #158472.
/cc @cockroachdb/release
This adds a new cluster setting
kv.concurrency.slow_latch_request_durationwhich configures the threshold for logging slow latch acquisitions. Previously, logging would occur after 15 seconds, but now the default is reduced to 5s.Informs #154271
Release note: None
Epic: None
Part of: CRDB-54843
Release justification: low risk obs improvement to help debug slow latch requests