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manage runtime.ReadMemStats to avoid stop-the-world too much #38271

Closed
Tracked by #38025
hawkingrei opened this issue Sep 30, 2022 · 0 comments · Fixed by #38632
Closed
Tracked by #38025

manage runtime.ReadMemStats to avoid stop-the-world too much #38271

hawkingrei opened this issue Sep 30, 2022 · 0 comments · Fixed by #38632
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type/enhancement The issue or PR belongs to an enhancement.

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@hawkingrei
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Enhancement

Now in the tidb repo, we have some places to use runtime.ReadMemStats to get global memory useage. But using it will cause the stop-the-world. this will affect performance. we should manage its usage.
@hawkingrei hawkingrei added the type/enhancement The issue or PR belongs to an enhancement. label Sep 30, 2022
@hawkingrei hawkingrei mentioned this issue Sep 30, 2022
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@hawkingrei hawkingrei mentioned this issue Oct 26, 2022
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ti-chi-bot pushed a commit that referenced this issue Oct 26, 2022
@hawkingrei
util: reduce STW from ReadMemStats (#38632)
d27c706 
close #38271
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util: reduce STW from ReadMemStats hawkingrei/tidb
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