szetszwo commented on PR #9410:
URL: https://github.com/apache/ozone/pull/9410#issuecomment-3600386907
The performance is great even if the checksum size is only 512 bytes:
```
key8 with 256M (=268435456) bytes and 512 bytesPerChecksum
createStreamKey: 151.82 MB/s ( 1.686 s, buffer 8MB (=8388608), keySize
256.00 MB, md5=67 86 A5 1E DA 87 EC 20 D9 DE 77 AB 50 7B 3F 33)
readStreamKey: 3430.44 MB/s ( 0.075 s, buffer 32M (=33554432), keySize
256.00 MB, md5=null)
readStreamKey: 747.44 MB/s ( 0.343 s, buffer 32M (=33554432), keySize
256.00 MB, md5=67 86 A5 1E DA 87 EC 20 D9 DE 77 AB 50 7B 3F 33)
readStreamKey: 3599.24 MB/s ( 0.071 s, buffer 8M (=8388608), keySize
256.00 MB, md5=null)
readStreamKey: 766.12 MB/s ( 0.334 s, buffer 8M (=8388608), keySize
256.00 MB, md5=67 86 A5 1E DA 87 EC 20 D9 DE 77 AB 50 7B 3F 33)
readStreamKey: 2038.70 MB/s ( 0.126 s, buffer 1M (=1048576), keySize
256.00 MB, md5=null)
readStreamKey: 758.55 MB/s ( 0.337 s, buffer 1M (=1048576), keySize
256.00 MB, md5=67 86 A5 1E DA 87 EC 20 D9 DE 77 AB 50 7B 3F 33)
readStreamKey: 1399.37 MB/s ( 0.183 s, buffer 4k (=4096), keySize
256.00 MB, md5=null)
readStreamKey: 736.16 MB/s ( 0.348 s, buffer 4k (=4096), keySize
256.00 MB, md5=67 86 A5 1E DA 87 EC 20 D9 DE 77 AB 50 7B 3F 33)
```
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