conprof: use debug=1 for goroutine profile to avoid STW (#205) #223
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/lgtm |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: mornyx The full list of commands accepted by this bot can be found here. The pull request process is described here
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This is an automated cherry-pick of #205
What problem does this PR solve?
Issue Number: close #220
What is changed and how it works?
With debug=2, there are some huge STWs, which cause latency spikes in TiDB and PD.