[core] Add compression for ExternalBuffer. #3146
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JingsongLi
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Apr 2, 2024
paimon-core/src/main/java/org/apache/paimon/disk/ExternalBuffer.java
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April 2, 2024 16:45
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External buffer spill could add compression.
This will compress bytes and reduce memory copy while read.
Choose lz4, reason:
see https://indico.fnal.gov/event/16264/contributions/36466/attachments/22610/28037/Zstd__LZ4.pdf