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Change metrics store to use sync.Map #1028

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Closed

Change metrics store to use sync.Map #1028

wants to merge 1 commit into from

Commits on Jan 18, 2020

  1. Change metrics store to use sync.Map 

    The cache map for metrics cannot be concurrently accessed in the current version. This caused a problem that heavy metrics writing to the map will cause a contention with reading, and can potentially cause Prometheus scrape call to timeout. Using sync.Map can remove the mutex.
    @zhengl7
    zhengl7 authored and Zheng Li committed Jan 18, 2020
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