[Enhancement] (compaction) support parallel compaction for single replica

[yixiutt]

Search before asking

• I had searched in the issues and found no similar issues.

Description

Currently only one thread can do compaction for a tablet, but some case compaction may cost
a lot of time and we may able to start other thread do compaction.

Solution

multi-thread compaction for one tablet, modify meta in lock

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[Moonm3n]

Hi, I’m new to Doris, but I’m really interested in this issue. Would it be possible for me to take on the task of implementing this feature? I would greatly appreciate the opportunity to contribute to the project.

[yixiutt]

I'm so sorry that this issue has already been assigned to @gitccl and you can choose another one if it is convenient for you

[gitccl]

Hi, I’m new to Doris, but I’m really interested in this issue. Would it be possible for me to take on the task of implementing this feature? I would greatly appreciate the opportunity to contribute to the project.

I'm so sorry that I picked this issue yesterday, there are still some issues in #17176, feel free to pick another one in #17176 if you're interested.

[Moonm3n]

Hi, I’m new to Doris, but I’m really interested in this issue. Would it be possible for me to take on the task of implementing this feature? I would greatly appreciate the opportunity to contribute to the project.

I'm so sorry that I picked this issue yesterday, there are still some issues in #17176, feel free to pick another one in #17176 if you're interested.

No problem at all. Thank you for letting me know. I’ll take a look at #17176 and choose another issue to work on.