unstable test TestPBMemoryLeak #36789
Description
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
memory_test.go:68:
Error Trace: /home/jenkins/.tidb/tmp/04446c229c5a73c16deb3edddcb4db34/sandbox/processwrapper-sandbox/4823/execroot/__main__/bazel-out/k8-fastbuild/bin/executor/executor_test_/executor_test.runfiles/__main__/executor/memory_test.go:68
Error: "63111168" is not less than "53687091"
Test: TestPBMemoryLeak
https://prow.pingcap.net/view/gs/pingcapprow/logs/bazel_test_tidb/1554270496122474496