Leak test inspectionSuite.TearDownSuite #25271
Description
Bug Report
[2021-06-08T12:10:56.024Z] ----------------------------------------------------------------------
[2021-06-08T12:10:56.024Z] FAIL: infoschema_reader_test.go:106: inspectionSuite.TearDownSuite
[2021-06-08T12:10:56.024Z]
[2021-06-08T12:10:56.024Z] infoschema_reader_test.go:109:
[2021-06-08T12:10:56.024Z] testleak.AfterTest(c)()
[2021-06-08T12:10:56.024Z] /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/testleak/leaktest.go:168:
[2021-06-08T12:10:56.024Z] c.Errorf("Test %s check-count %d appears to have leaked: %v", c.TestName(), cnt, g)
[2021-06-08T12:10:56.024Z] ... Error: Test check-count 50 appears to have leaked: github.com/pingcap/tidb/domain.(*Domain).TelemetryRotateSubWindowLoop.func1(0xc077fc7c20)
[2021-06-08T12:10:56.024Z] /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/domain/domain.go:1079 +0xd8
[2021-06-08T12:10:56.024Z] created by github.com/pingcap/tidb/domain.(*Domain).TelemetryRotateSubWindowLoop
[2021-06-08T12:10:56.024Z] /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/domain/domain.go:1072 +0x7f
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master cad482c