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fix pump storage quit bug #739

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merged 3 commits into from
Sep 5, 2019
Merged

fix pump storage quit bug #739

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60a7095
fix pump storage quit bug
lichunzhu Sep 3, 2019
5eaac5b
add pullCtx and pullCancel after commitStatus to avoid block at s.gs.…
lichunzhu Sep 5, 2019
51a79d6
change pullCtx & pullCancel to pullClose
lichunzhu Sep 5, 2019
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11 changes: 9 additions & 2 deletions pump/server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,8 @@ type Server struct {
gs *grpc.Server
ctx context.Context
cancel context.CancelFunc
pullCtx context.Context
pullCancel context.CancelFunc
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wg sync.WaitGroup
gcDuration time.Duration
triggerGC chan time.Time
Expand Down Expand Up @@ -112,7 +114,8 @@ func NewServer(cfg *Config) (*Server, error) {
if err != nil {
return nil, errors.Trace(err)
}
ctx, cancel := context.WithCancel(context.Background())
pullCtx, pullCancel := context.WithCancel(context.Background())
ctx, cancel := context.WithCancel(pullCtx)
clusterID := pdCli.GetClusterID(ctx)
log.Infof("clusterID of pump server is %v", clusterID)

Expand Down Expand Up @@ -163,6 +166,8 @@ func NewServer(cfg *Config) (*Server, error) {
gs: grpc.NewServer(grpcOpts...),
ctx: ctx,
cancel: cancel,
pullCtx: pullCtx,
pullCancel: pullCancel,
metrics: metrics,
gcDuration: time.Duration(cfg.GC) * 24 * time.Hour,
pdCli: pdCli,
Expand Down Expand Up @@ -289,7 +294,7 @@ func (s *Server) PullBinlogs(in *binlog.PullBinlogReq, stream binlog.Pump_PullBi
log.Errorf("drainer request a purged binlog (gc ts = %d), request %+v, some binlog events may be loss", gcTS, in)
}

ctx, cancel := context.WithCancel(context.Background())
ctx, cancel := context.WithCancel(s.pullCtx)
defer cancel()
binlogs := s.storage.PullCommitBinlog(ctx, last)

Expand Down Expand Up @@ -865,6 +870,8 @@ func (s *Server) Close() {
s.commitStatus()
log.Info("commit status done")

// PullBinlogs should be stopped after commitStatus
s.pullCancel()
// stop the gRPC server
s.gs.GracefulStop()
log.Info("grpc is stopped")
Expand Down