Peter Bacsko created YUNIKORN-2392:
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Summary: Concurrent map write in SchedulerCache
Key: YUNIKORN-2392
URL: https://issues.apache.org/jira/browse/YUNIKORN-2392
Project: Apache YuniKorn
Issue Type: Bug
Components: shim - kubernetes
Reporter: Peter Bacsko
While running the simple performance test with MockScheduler, the following
error was error was detected:
{noformat}
fatal error: concurrent map writes
goroutine 16 [running]:
github.com/apache/yunikorn-k8shim/pkg/cache/external.(*SchedulerCache).removeSchedulingTask(0xc0004261e0,
{0xc00d6be600?, 0xc00d6be600?})
/home/bacskop/repos/yunikorn-k8shim/pkg/cache/external/scheduler_cache.go:593
+0x45
github.com/apache/yunikorn-k8shim/pkg/cache/external.(*SchedulerCache).updatePod(0xc0004261e0,
0xc034a96900)
/home/bacskop/repos/yunikorn-k8shim/pkg/cache/external/scheduler_cache.go:511
+0x8d1
github.com/apache/yunikorn-k8shim/pkg/cache/external.(*SchedulerCache).UpdatePod(0xc0004261e0,
0x1a?)
/home/bacskop/repos/yunikorn-k8shim/pkg/cache/external/scheduler_cache.go:468
+0xba
github.com/apache/yunikorn-k8shim/pkg/cache.(*Context).updateYuniKornPod(0xc00012a090,
0xc034a96900)
/home/bacskop/repos/yunikorn-k8shim/pkg/cache/context.go:306 +0x285
github.com/apache/yunikorn-k8shim/pkg/cache.(*Context).UpdatePod(0xc00012a090,
{0xc0001da060?, 0xc0001da120?}, {0x1f92940?, 0xc034a96900?})
/home/bacskop/repos/yunikorn-k8shim/pkg/cache/context.go:288 +0x2b9
k8s.io/client-go/tools/cache.ResourceEventHandlerFuncs.OnUpdate(...)
/home/bacskop/go/pkg/mod/k8s.io/client-go@v0.29.1/tools/cache/controller.go:246
github.com/apache/yunikorn-k8shim/pkg/client.(*MockedAPIProvider).RunEventHandler.func1()
/home/bacskop/repos/yunikorn-k8shim/pkg/client/apifactory_mock.go:284
+0x5da
created by
github.com/apache/yunikorn-k8shim/pkg/client.(*MockedAPIProvider).RunEventHandler
in goroutine 13
/home/bacskop/repos/yunikorn-k8shim/pkg/client/apifactory_mock.go:240
+0xda
{noformat}
We need locking inside {{SchedulerCache.addSchedulingTask()}}.
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