Memory leak while facing high pressure workload

[iosmanthus]

Bug Report

1. Describe the bug

266043:2024-03-28 15:43:06,739 5959 [pool-14-thread-670] ERROR org.tikv.shade.io.netty.util.ResourceLeakDetector  - LEAK: ByteBuf.release() was not called before it's garbage-collected. See https://netty.io/wiki/reference-counted-objects.html for more information.

2. Minimal reproduction step (Required)

Run https://github.com/iosmanthus/client-java-bench with the following commands:

java -cp target/client-java-bench-1.0-SNAPSHOT-jar-with-dependencies.jar -Dio.netty.leakDetection.level=paranoid Bench -pd 127.0.0.1:2379 -prefix test -type flow -threads 1000 -duration 3600 -timeout 400 -report ./report.json -log test.log

3. What did you see instead (Required)

266043:2024-03-28 15:43:06,739 5959 [pool-14-thread-670] ERROR org.tikv.shade.io.netty.util.ResourceLeakDetector  - LEAK: ByteBuf.release() was not called before it's garbage-collected. See https://netty.io/wiki/reference-counted-objects.html for more information.

4. What did you expect to see? (Required)

No memory leak log

5. What are your Java Client and TiKV versions? (Required)

• Client Java: master
• TiKV: v6.5.3