congqixia 767b7e6218
enhance: Use fdopen, fwrite to reduce direct syscall (#38157)
`File.Write` and `File.WriteInt` use `write`, which may be just direct
syscall in some systems. When mappding field data and write line by
line, this could cost lost of CPU time when the row number is large.

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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2024-12-03 15:24:39 +08:00
..
2021-11-16 15:41:11 +08:00