faster time keeping in __wti_evict_lru_walk

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    • Type: Task
    • Resolution: Fixed
    • Priority: Major - P3
    • 9.0.0-rc0
    • Affects Version/s: None
    • Component/s: Cache and Eviction
    • None
    • Storage Engines - Transactions
    • 1,904.196
    • None
    • None
    • Not Needed

      I noticed __wti_evict_lru_walk spends 1/3 of its cpu time in clock_gettime. Switching to rdtsc gives a small but significant performance improvement here and there is precedent in WT for such measurement

            Assignee:
            Daniel Hill
            Reporter:
            Daniel Hill
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              Created:
              Updated:
              Resolved: