[fix](file-writer) opt s3 file writer and fix empty file related issue #28983 #30703 #31169#31213

Merged

yiguolei merged 3 commits intoapache:branch-2.1from

morningman:bp30703

Feb 21, 2024

Commits on Feb 21, 2024

(feature)(cloud) Use dynamic allocator instead of static buffer pool for better elasticity. (#28983)

ByteYue
authored and
morningman
committed
[fix](outfile) Fix unable to export empty data (#30703)

zxealous
authored and
morningman
committed
[fix](file-writer) avoid empty file for segment writer (#31169)
morningman
committed