kvflowcontrol: squash data race #104855
kvflowcontrol: squash data race #104855
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Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status:complete! 0 of 0 LGTMs obtained (waiting on @irfansharif)
pkg/kv/kvserver/kvflowcontrol/kvflowhandle/kvflowhandle.go line 110 at r1 (raw file):
// the mutex. To avoid the data race, copy out the pointers first. connections := make([]*connectedStream, len(h.mu.connections)) copy(connections, h.mu.connections)
Admit is on a performance critical path. I think we need a copy-on-write scheme instead of copy-on-read.
Fixes cockroachdb#104837. Fixes cockroachdb#105762. Release note: None
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pkg/kv/kvserver/kvflowcontrol/kvflowhandle/kvflowhandle.go line 110 at r1 (raw file):
Previously, sumeerbhola wrote…
Admit is on a performance critical path. I think we need a copy-on-write scheme instead of copy-on-read.
Done.
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pkg/kv/kvserver/kvflowcontrol/kvflowhandle/kvflowhandle.go line 239 at r2 (raw file):
func (h *Handle) connectStreamLocked( ctx context.Context, pos kvflowcontrolpb.RaftLogPosition, stream kvflowcontrol.Stream,
Does each connection have a unique Stream?
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TFTR.
bors r+
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pkg/kv/kvserver/kvflowcontrol/kvflowhandle/kvflowhandle.go line 239 at r2 (raw file):
Previously, bananabrick (Arjun Nair) wrote…
Does each connection have a unique
Stream?
Yes.
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👎 Rejected by code reviews |
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bors r+ |
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Build succeeded: |
Fixes #104837.
Fixes #105762.
Release note: None