yujiaxinlong

@leonardBang @PatrickRen there should be something wrong with oracle connector or it's test case, past several unrelated PRs all failed on this.

@lzshlzsh I think multiple splits indeed can be handled by one subtask, but should not at the same time. The problem here is that it starts to handle the second...

@leonardBang Hi, I'm wandering how is the review going, I checked code of BinaryLogClient recently and pretty sure the reason lead to this bug is what I described before. The...

@johnou sorry I changed some code when debug it. updated exception stack with origin code. I am sure I'm using the newest code, it directly cloned from master branch, the...

@johnou sure, the debug logging is at below , but the log about BufferCleaner failed to free buffer seems didn't run. And I tried this on Windows 10 and it...

@aruanruan Hi, are you also using Windows? I tried to run the RaftPerformanceTest for around 20 minutes and generated 70+ logs But it still keeps throwing this exception.

@aruanruan no I am currently using windows7, I will try it on Windows10 tonight.

@aruanruan Hi you are right, I tried again and this time it successfully deleted segment 1 to 30 when the 32nd segment created. then stuck on segment 31 again. Still...

@leonardBang can you review this PR?

> #1231 has changed this part of code. You need to rebase master branch. thanks， just resolved it. can you help rerun the checks, the errors seems irrelevent