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app/vmselect: improve logging when the incoming query cannot be executed because of timeout in the wait queue

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Aliaksandr Valialkin 2023-01-11 01:06:05 -08:00
parent 675e0fa0ee
commit f7130d571d
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2 changed files with 4 additions and 4 deletions
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4
app/vmselect/main.go
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@ -212,8 +212,8 @@ func requestHandler(w http.ResponseWriter, r *http.Request) bool {
err := &httpserver.ErrorWithStatusCode{ err := &httpserver.ErrorWithStatusCode{
Err: fmt.Errorf("couldn't start executing the request in %.3f seconds, since -search.maxConcurrentRequests=%d concurrent requests "+ Err: fmt.Errorf("couldn't start executing the request in %.3f seconds, since -search.maxConcurrentRequests=%d concurrent requests "+
"are executed. Possible solutions: to reduce query load; to add more compute resources to the server; "+ "are executed. Possible solutions: to reduce query load; to add more compute resources to the server; "+
"to increase -search.maxQueueDuration; to increase -search.maxQueryDuration; to increase -search.maxConcurrentRequests", "to increase -search.maxQueueDuration=%s; to increase -search.maxQueryDuration; to increase -search.maxConcurrentRequests",
d.Seconds(), *maxConcurrentRequests), d.Seconds(), *maxConcurrentRequests, maxQueueDuration),
StatusCode: http.StatusServiceUnavailable, StatusCode: http.StatusServiceUnavailable,
} }
httpserver.Errorf(w, r, "%s", err) httpserver.Errorf(w, r, "%s", err)

4
lib/vmselectapi/server.go
View file

@ -520,9 +520,9 @@ func (s *Server) processRPCWithConcurrencyLimit(ctx *vmselectRequestCtx, rpcName
s.concurrencyLimitTimeout.Inc() s.concurrencyLimitTimeout.Inc()
return fmt.Errorf("couldn't start executing the request in %.3f seconds, since -%s=%d concurrent requests "+ return fmt.Errorf("couldn't start executing the request in %.3f seconds, since -%s=%d concurrent requests "+
"are already executed. Possible solutions: to reduce the query load; to add more compute resources to the server; "+ "are already executed. Possible solutions: to reduce the query load; to add more compute resources to the server; "+
"to increase -%s; to increase -%s", "to increase -%s=%d; to increase -%s",
d.Seconds(), s.limits.MaxConcurrentRequestsFlagName, s.limits.MaxConcurrentRequests, d.Seconds(), s.limits.MaxConcurrentRequestsFlagName, s.limits.MaxConcurrentRequests,
s.limits.MaxQueueDurationFlagName, s.limits.MaxConcurrentRequestsFlagName) s.limits.MaxQueueDurationFlagName, s.limits.MaxQueueDuration, s.limits.MaxConcurrentRequestsFlagName)
} }
} }
err := s.processRPC(ctx, rpcName) err := s.processRPC(ctx, rpcName)