mergify[bot]

> backport branch-3.2 #### ✅ Backports have been created * [#50440 [Enhancement] Optimize the performance of variables like variables. (backport #50416)](https://github.com/StarRocks/starrocks/pull/50440) has been created for branch `branch-3.2`

> rebase #### ✅ Branch has been successfully rebased

> backport branch-3.3 #### ✅ Backports have been created * [#50693 [Enhancement] Optimize memory tracker (backport #49841)](https://github.com/StarRocks/starrocks/pull/50693) has been created for branch `branch-3.3` but encountered conflicts

> backport branch-3.2 #### ✅ Backports have been created * [#50694 [Enhancement] Optimize memory tracker (backport #49841)](https://github.com/StarRocks/starrocks/pull/50694) has been created for branch `branch-3.2` but encountered conflicts

> backport branch-3.1 #### ✅ Backports have been created * [#50695 [Enhancement] Optimize memory tracker (backport #49841)](https://github.com/StarRocks/starrocks/pull/50695) has been created for branch `branch-3.1` but encountered conflicts

> backport branch-3.3 #### ✅ Backports have been created * [#50621 [BugFix] Fix BDBJE handshake bug (backport #50412)](https://github.com/StarRocks/starrocks/pull/50621) has been created for branch `branch-3.3`

> backport branch-3.1 branch-3.2 #### ✅ Backports have been created * [#54098 [BugFix] Fix BDBJE handshake bug (backport #50412)](https://github.com/StarRocks/starrocks/pull/54098) has been created for branch `branch-3.1` but encountered conflicts * [#54100...

> backport branch-3.3 #### ✅ Backports have been created * [#47969 [BugFix] Fix delete index file failed when destory VerticalRowsetWriter after compaction (backport #47528)](https://github.com/StarRocks/starrocks/pull/47969) has been created for branch `branch-3.3`

> rebase #### ❌ Unable to rebase: user `murphyatwork` is unknown. Please make sure `murphyatwork` has logged in Mergify dashboard.

> backport branch-3.3 #### ✅ Backports have been created * [#51656 [Enhancement] improve statistics strategy for insert overwrite (backport #50417)](https://github.com/StarRocks/starrocks/pull/51656) has been created for branch `branch-3.3` but encountered conflicts