yujun777 opened a new pull request, #38469:
URL: https://github.com/apache/doris/pull/38469
drop tablet's code:
```
lock_guard(tablet_manager.shard.lock);
delete tablet from tablet map
{
lock_guard(tablet.meta_lock)
...
}
...
```
Sometimes, tablet meta lock may held by other threads for a long time,
it will cause shard.lock also wait for a long time.
For creating tablet thread, it also need to acquire the shard.lock, so
creating tablet thread will also wait for a long time, then creating partition
will be timeout.
Fix: shard.lock don't wait the time of the tablet meta lock.
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