imay commented on issue #1753: Use crc32c checksum for segment v2
URL: https://github.com/apache/incubator-doris/pull/1753#issuecomment-528724219
 
 
   @gaodayue 
   
   I have two questions about this PR.
   1. Even if HashUtils::crc_hash doesn't generate standard CRC-32 checksum, 
the checksums should be equal. Because all the checksums are compute by this 
function.
   2. we have already had a CRC-32 implementation in `be/src/olap/utils.cpp`. 
Can you unify this and your new implementation?

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