mirror of https://github.com/tidwall/tile38.git
Speed up leader/follower replication
This commit lowers the response time for a leader to send updates to a follower. Should now be nearly instant.
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parent
e60ea706aa
commit
a8c92a07c1
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@ -130,6 +130,8 @@ func (s *Server) flushAOF(sync bool) {
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if err != nil {
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panic(err)
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}
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// send a broadcast to all sleeping followers
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s.fcond.Broadcast()
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if sync {
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if err := s.aof.Sync(); err != nil {
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panic(err)
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@ -165,11 +167,6 @@ func (s *Server) writeAOF(args []string, d *commandDetails) error {
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s.aofsz += len(s.aofbuf) - n
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}
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// notify aof live connections that we have new data
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s.fcond.L.Lock()
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s.fcond.Broadcast()
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s.fcond.L.Unlock()
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// process geofences
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if d != nil {
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// webhook geofences
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@ -516,6 +513,7 @@ func (s *Server) liveAOF(pos int64, conn net.Conn, rd *PipelineReader, msg *Mess
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if err != nil {
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return err
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}
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b := make([]byte, 4096*2)
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for {
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n, err := f.Read(b)
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@ -525,7 +523,9 @@ func (s *Server) liveAOF(pos int64, conn net.Conn, rd *PipelineReader, msg *Mess
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}
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}
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if err == io.EOF {
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time.Sleep(time.Second / 4)
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s.fcond.L.Lock()
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s.fcond.Wait()
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s.fcond.L.Unlock()
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} else if err != nil {
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return err
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}
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@ -135,7 +135,7 @@ type Server struct {
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fcond *sync.Cond
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lstack []*commandDetails
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lives map[*liveBuffer]bool
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lcond *sync.Cond
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lcond *sync.Cond // live geofence signal
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fcup bool // follow caught up
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fcuponce bool // follow caught up once
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aofconnM map[net.Conn]io.Closer
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@ -305,10 +305,19 @@ func Serve(opts Options) error {
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nerr <- s.netServe()
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}()
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var fstop atomic.Bool
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go func() {
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for !fstop.Load() {
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s.fcond.Broadcast()
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time.Sleep(time.Second / 4)
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}
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}()
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go func() {
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<-opts.Shutdown
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s.stopServer.Store(true)
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log.Warnf("Shutting down...")
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fstop.Store(true)
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s.lnmu.Lock()
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ln := s.ln
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s.ln = nil
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