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Posted to dev@systemds.apache.org by "Baunsgaard (via GitHub)" <gi...@apache.org> on 2023/09/07 16:23:28 UTC

[GitHub] [systemds] Baunsgaard opened a new pull request, #1902: [SYSTEMDS-???] Compression codecs

Baunsgaard opened a new pull request, #1902:
URL: https://github.com/apache/systemds/pull/1902

   I am surprised, but with moderate to large size files our parallel writers are better if we enable snappy on the write path. It improve the write speed a little. and significantly reduce the size of the files on disk.
   
   Uncompressed:
   ```txt
   StandardDisk,    6.345+-  0.907 ms,   1260913549 Byte/s,   1278545356 Byte/s
   ```
   
   Snappy:
   ```txt
   StandardDisk,    6.021+-  0.946 ms,   1328816357Byte/s,     291445747 Byte/s
   ```
   


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Re: [PR] [SYSTEMDS-3619] IO save Encoded [systemds]

Posted by "Baunsgaard (via GitHub)" <gi...@apache.org>.
Baunsgaard closed pull request #1902: [SYSTEMDS-3619] IO save Encoded
URL: https://github.com/apache/systemds/pull/1902


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