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[supervisor] fix ports forwarding hangs issue #20841
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@@ -772,14 +778,14 @@ func (pm *Manager) Subscribe() (*Subscription, error) { | |||
sub := &Subscription{updates: make(chan []*api.PortsStatus, 5)} | |||
var once sync.Once | |||
sub.Close = func() error { | |||
pm.mu.Lock() |
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sub.Close
and updateState
both need mutex, which makes a dead lock
requests: make(chan *exposePortRequest, 30), | ||
localExposedNotice: make(chan struct{}, 30), | ||
// allow clients to submit 3000 expose requests without blocking | ||
requests: make(chan *exposePortRequest, 3000), |
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Ports expose requests more than 30 at the same time will make updateState hangs, and hold mutex forever
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Code changes LGTM, tests are green ✔️
Thank you for this fix @mustard-mh ! 🙏
Description
Related Issue(s)
Fixes CLC-1313
How to test
for p in {1230..1270}; do python3 -m http.server $p & done
gp ports list
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