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Too Many Handshakes when redirect requests consume many CPU #6913

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nolouch opened this issue Aug 8, 2023 · 0 comments · Fixed by #6914
Closed

Too Many Handshakes when redirect requests consume many CPU #6913

nolouch opened this issue Aug 8, 2023 · 0 comments · Fixed by #6914
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affects-6.5 affects-7.1 severity/major type/bug The issue is confirmed as a bug.

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@nolouch
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nolouch commented Aug 8, 2023 •
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Bug Report

What did you do?

idle cluster with 20 tikv and 100 tidb

What did you expect to see?

Lower CPU usage

What did you see instead?

many CPU usages about tls handshakes:
leader server:
image

one follower server:
image

What version of PD are you using (pd-server -V)?
@nolouch nolouch added the type/bug The issue is confirmed as a bug. label Aug 8, 2023
@nolouch nolouch mentioned this issue Aug 8, 2023
Merged
@ti-chi-bot ti-chi-bot bot closed this as completed in #6914 Aug 9, 2023
ti-chi-bot bot added a commit that referenced this issue Aug 9, 2023
@nolouch @ti-chi-bot
utils: let http client can reuse connections (#6914)
d4138c8 
close #6913

utils: let HTTP client can reuse connections

Signed-off-by: nolouch <nolouch@gmail.com>

Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
@ti-chi-bot ti-chi-bot mentioned this issue Aug 9, 2023
Merged
ti-chi-bot pushed a commit to ti-chi-bot/pd that referenced this issue Aug 9, 2023
@nolouch @ti-chi-bot
This is an automated cherry-pick of tikv#6914
750d464 
close tikv#6913

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
@ti-chi-bot ti-chi-bot mentioned this issue Aug 9, 2023
Merged
ti-chi-bot bot pushed a commit that referenced this issue Aug 9, 2023
@ti-chi-bot @nolouch
utils: let http client can reuse connections (#6914) (#6917)
3794a27 
close #6913

utils: let HTTP client can reuse connections

Signed-off-by: nolouch <nolouch@gmail.com>

Co-authored-by: nolouch <nolouch@gmail.com>
ti-chi-bot bot pushed a commit that referenced this issue Aug 9, 2023
@ti-chi-bot @nolouch
utils: let http client can reuse connections (#6914) (#6916)
adf0402 
close #6913

utils: let HTTP client can reuse connections

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
Signed-off-by: nolouch <nolouch@gmail.com>

Co-authored-by: ShuNing <nolouch@gmail.com>
Co-authored-by: nolouch <nolouch@gmail.com>
@niubell niubell mentioned this issue Oct 18, 2023
Merged
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utils: let http client can reuse connections nolouch/pd
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