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volume: fail fast if too many concurrent requests, to avoid dead lock due to replication.

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fix https://github.com/chrislusf/seaweedfs/issues/2755
This commit is contained in:
chrislu
2022-03-23 22:53:58 -07:00
parent 8b983729ca
commit 0562fceb99
2 changed files with 5 additions and 5 deletions
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9
weed/server/volume_server_handlers.go
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@@ -1,6 +1,7 @@
package weed_server
import (
"fmt"
"net/http"
"strconv"
"strings"
@@ -51,12 +52,12 @@ func (vs *VolumeServer) privateStoreHandler(w http.ResponseWriter, r *http.Reque
// wait until in flight data is less than the limit
contentLength := getContentLength(r)
vs.inFlightUploadDataLimitCond.L.Lock()
for vs.concurrentUploadLimit != 0 && atomic.LoadInt64(&vs.inFlightUploadDataSize) > vs.concurrentUploadLimit {
glog.V(4).Infof("wait because inflight upload data %d > %d", vs.inFlightUploadDataSize, vs.concurrentUploadLimit)
vs.inFlightUploadDataLimitCond.Wait()
err := fmt.Errorf("reject because inflight upload data %d > %d", vs.inFlightUploadDataSize, vs.concurrentUploadLimit)
glog.V(1).Infof("too many requests: %v", err)
writeJsonError(w, r, http.StatusTooManyRequests, err)
return
}
vs.inFlightUploadDataLimitCond.L.Unlock()
atomic.AddInt64(&vs.inFlightUploadDataSize, contentLength)
defer func() {
atomic.AddInt64(&vs.inFlightUploadDataSize, -contentLength)