[performance](move-memtable) async close tablet streams

[kaijchen]

Proposed changes

Asynchronously close tablet streams to speed up load stream close.

[doris-robot]

Thank you for your contribution to Apache Doris.
Don't know what should be done next? See How to process your PR

Since 2024-03-18, the Document has been moved to doris-website.
See Doris Document.

[kaijchen]

run buildall

[doris-robot]

TeamCity be ut coverage result:
Function Coverage: 37.28% (9609/25776)
Line Coverage: 28.68% (79500/277176)
Region Coverage: 28.14% (41135/146199)
Branch Coverage: 24.78% (20969/84630)
Coverage Report: http://coverage.selectdb-in.cc/coverage/b141e407e28fb4ed6fd938867df74641709f9ebc_b141e407e28fb4ed6fd938867df74641709f9ebc/report/index.html

[kaijchen]

run buildall

[doris-robot]

TeamCity be ut coverage result:
Function Coverage: 37.29% (9628/25817)
Line Coverage: 28.69% (79691/277745)
Region Coverage: 28.13% (41220/146538)
Branch Coverage: 24.74% (20983/84816)
Coverage Report: http://coverage.selectdb-in.cc/coverage/ad329fa5e7ca268f9697c6f9848ff647ade78241_ad329fa5e7ca268f9697c6f9848ff647ade78241/report/index.html

[kaijchen]

run buildall

[doris-robot]

TeamCity be ut coverage result:
Function Coverage: 37.29% (9627/25817)
Line Coverage: 28.69% (79677/277764)
Region Coverage: 28.12% (41212/146542)
Branch Coverage: 24.74% (20985/84818)
Coverage Report: http://coverage.selectdb-in.cc/coverage/0396fa762a7da94a5092982bd09f49f42a40b078_0396fa762a7da94a5092982bd09f49f42a40b078/report/index.html