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https://issues.apache.org/jira/browse/YUNIKORN-2392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wilfred Spiegelenburg resolved YUNIKORN-2392.
---------------------------------------------
Fix Version/s: 1.5.0
Resolution: Fixed
change committed
> 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
> Assignee: Craig Condit
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.5.0
>
>
> While running the simple performance test with MockScheduler, the following
> 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/[email protected]/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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