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doris/be/test/util
yixiutt b136d80e1a [enhancement](compress) reuse compression ctx and buffer (#12573)
Reuse compression ctx and buffer.
Use a global instance for every compression algorithm, and use a
thread saft buffer pool to reuse compression buffer, pool size is equal
to max parallel thread num in compression, and this will not be too large.

Test shows this feature increase 5% of data import and compaction.

Co-authored-by: yixiutt <yixiu@selectdb.com>
2022-09-15 10:59:46 +08:00
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