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tracing: cap registry size at 5k #61459

Merged
merged 1 commit into from
Mar 4, 2021
Merged

tracing: cap registry size at 5k #61459

merged 1 commit into from
Mar 4, 2021

Commits on Mar 4, 2021

  1. tracing: cap registry size at 5k 

    This caps the size of the span registry at 5k, evicting "random" (map
order) existing entries when at the limit.
The purpose of this is to serve as a guardrail against leaked spans,
which would otherwise lead to unbounded memory growth.

Touches cockroachdb#59188.

Release justification: low risk, high benefit changes to existing
functionality
Release note: None
    @tbg
    tbg committed Mar 4, 2021
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