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add jitter to the retries by the queue

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Mechiel Lukkien 2023-02-06 16:08:21 +01:00
parent e2516444b1
commit 1617b7c0d6
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1 changed files with 3 additions and 1 deletions
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4
queue/queue.go
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@ -68,6 +68,8 @@ var dial = func(ctx context.Context, timeout time.Duration, addr string, laddr n
return dialer.DialContext(ctx, "tcp", addr)
}
var jitter = mox.NewRand()
var queueDB *bstore.DB
// Msg is a message in the queue.
@ -456,7 +458,7 @@ func deliver(resolver dns.Resolver, m Msg) {
// 8h, 16h (send permanent failure DSN).
// ../rfc/5321:3703
// todo future: make the back off times configurable. ../rfc/5321:3713
backoff := (7*60 + 30) * time.Second
backoff := time.Duration(7*60+30+jitter.Intn(10)-5) * time.Second
for i := 0; i < m.Attempts; i++ {
backoff *= time.Duration(2)
}