karmada
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karmada-io
cluster proxy transport disable keepalive
What type of PR is this? /kind bug
What this PR does / why we need it:
We can solve the problem of too many connections by setting DisableKeepAlives: true
test.sh:
KUBECONFIG="proxy.config"
SLEEP_INTERVAL=0.1
MAX_JOBS=100
function run_karmadactl() {
while true; do
kubectl --kubeconfig "$KUBECONFIG" get node
sleep "$SLEEP_INTERVAL"
done
}
for ((i = 1; i <= MAX_JOBS; i++)); do
run_karmadactl &
done
wait
Monitor the number of TCP connections in the pod
#!/bin/bash
# Output total number of all TCP connections every 10 seconds
while true; do
# Get the total number of all TCP connections
tcp_count=$(ss -tn | wc -l)
# Print current time and TCP connection count
echo "$(date '+%Y-%m-%d %H:%M:%S') - Current total TCP connections: $((tcp_count - 1))" # Subtract 1 for the header line
# Wait for 10 seconds
sleep 10
done
before fix
after fix
Which issue(s) this PR fixes: Fixes #
https://github.com/karmada-io/karmada/issues/5574
Special notes for your reviewer:
Does this PR introduce a user-facing change?:
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Codecov Report
All modified and coverable lines are covered by tests :white_check_mark:
Project coverage is 40.75%. Comparing base (
e76ce63) to head (122ff3a). Report is 217 commits behind head on master.
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Additional details and impacted files
@@ Coverage Diff @@
## master #5610 +/- ##
==========================================
+ Coverage 34.14% 40.75% +6.60%
==========================================
Files 643 650 +7
Lines 44522 56071 +11549
==========================================
+ Hits 15204 22853 +7649
- Misses 28162 31746 +3584
- Partials 1156 1472 +316
| Flag | Coverage Δ | |
|---|---|---|
| unittests | 40.75% <100.00%> (+6.60%) |
:arrow_up: |
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@whitewindmills: Reopened this PR.
In response to this:
/reopen
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@XiShanYongYe-Chang: GitHub didn't allow me to request PR reviews from the following users: lcw2.
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In response to this:
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