Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

store/copr: don't reset concurrency of analyze req to 2 #40168

Merged
merged 1 commit into from
Dec 26, 2022
Merged

store/copr: don't reset concurrency of analyze req to 2 #40168

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion store/copr/coprocessor.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -213,7 +213,8 @@ func (c *CopClient) BuildCopIterator(ctx context.Context, req *kv.Request, vars
// higher concurrency, the data is just cached and not consumed for a while, this increase the memory usage.
// Set concurrency to 2 can reduce the memory usage and I've tested that it does not necessarily
// decrease the performance.
if it.concurrency > 2 {
// For ReqTypeAnalyze, we keep its concurrency to avoid slow analyze(see https://github.com/pingcap/tidb/issues/40162 for details).
if it.concurrency > 2 && it.req.Tp != kv.ReqTypeAnalyze {
oldConcurrency := it.concurrency
it.concurrency = 2

Expand Down