Vihren Atlas

fifo_scheduler.go ×8

Code frontier

unlabeled · c_2d0a1e3876fe

17 tests · 1685 LOC · 66 files · introduces 0 tests · 33 LOC · 1 file

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Code
8 ranges33 lines · 1 files
Tests
0 tests

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All code (extent)
213 ranges1685 lines · 66 files · Browse complete extent
All tests (intent)
17 testsBrowse complete intent

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Introduced tests

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Introduced code

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1 file ranked by introduced lines: 33 introduced LOC across 8 ranges. Expand a file to inspect source; the > gutter marks introduced lines.

go.temporal.io/server/common/tasks/fifo_scheduler.go 33 introduced LOC · 8 ranges

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69 }
70
71 > func (f *FIFOScheduler[T]) Stop() { fifo_scheduler.go
72 > if !atomic.CompareAndSwapInt32(
73 > &f.status,
74 > common.DaemonStatusStarted,
75 > common.DaemonStatusStopped,
76 > ) {
77 return
78 }
79
80 > f.workerCountSubscriptionCancelFn() fifo_scheduler.go
81 > f.updateWorkerCount(0)
82 > f.drainTasks()
83 >
84 > go func() {
85 > if success := common.AwaitWaitGroup(&f.shutdownWG, time.Minute); !success {
86 f.logger.Warn("fifo scheduler timed out waiting for workers")
87 }
88 }()
89 > f.logger.Info("fifo scheduler stopped") fifo_scheduler.go
90 }
91
114
115 if f.isStopped() {
116 > // Always set the value to 0 when scheduler is stopped, fifo_scheduler.go
117 > // in case there's a race condition between subscription callback invocation
118 > // and the invocation made from Stop()
119 > targetWorkerNum = 0
120 > }
121
122 if targetWorkerNum < 0 {
133 f.startWorkers(targetWorkerNum - currentWorkerNum)
134 } else {
135 > f.stopWorkers(currentWorkerNum - targetWorkerNum) fifo_scheduler.go
136 > }
137
138 f.logger.Info("Update worker pool size", tag.Key("worker-pool-size"), tag.Value(targetWorkerNum))
153 func (f *FIFOScheduler[T]) stopWorkers(
154 count int,
155 > ) { fifo_scheduler.go
156 > shutdownChToClose := f.workerShutdownCh[:count]
157 > f.workerShutdownCh = f.workerShutdownCh[count:]
158 >
159 > for _, shutdownCh := range shutdownChToClose {
160 > close(shutdownCh)
161 > }
162 }
163
215 }
216
217 > func (f *FIFOScheduler[T]) drainTasks() { fifo_scheduler.go
218 > LoopDrain:
219 > for {
220 > select {
221 case task := <-f.tasksChan:
222 task.Abort()
223 > default: fifo_scheduler.go
224 > break LoopDrain
225 }
226 }

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