From f5869daaab2b8135415f4ae5b2d61ac8c3037a9d Mon Sep 17 00:00:00 2001 From: Neil Alexander Date: Mon, 14 Dec 2020 10:42:21 +0000 Subject: [PATCH] Don't start more goroutines than needed on RS input, increase input worker buffer size (#1638) --- roomserver/internal/input/input.go | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/roomserver/internal/input/input.go b/roomserver/internal/input/input.go index 2bed0c7f4..6b8330726 100644 --- a/roomserver/internal/input/input.go +++ b/roomserver/internal/input/input.go @@ -54,10 +54,8 @@ type inputWorker struct { input chan *inputTask } +// Guarded by a CAS on w.running func (w *inputWorker) start() { - if !w.running.CAS(false, true) { - return - } defer w.running.Store(false) for { select { @@ -142,7 +140,7 @@ func (r *Inputer) InputRoomEvents( // room - the channel will be quite small as it's just pointer types. w, _ := r.workers.LoadOrStore(roomID, &inputWorker{ r: r, - input: make(chan *inputTask, 10), + input: make(chan *inputTask, 32), }) worker := w.(*inputWorker) @@ -156,7 +154,9 @@ func (r *Inputer) InputRoomEvents( } // Send the task to the worker. - go worker.start() + if worker.running.CAS(false, true) { + go worker.start() + } worker.input <- tasks[i] }