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Posted to issues@commons.apache.org by "Gaurav Mittal (JIRA)" <ji...@apache.org> on 2018/11/26 05:31:00 UTC

[jira] [Created] (COMPRESS-472) 7Z Compress is very slow, appx. 1MB/second for mp4/mp3 files

Gaurav Mittal created COMPRESS-472:
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             Summary: 7Z Compress is very slow, appx. 1MB/second for mp4/mp3 files
                 Key: COMPRESS-472
                 URL: https://issues.apache.org/jira/browse/COMPRESS-472
             Project: Commons Compress
          Issue Type: Bug
            Reporter: Gaurav Mittal


Hi,

 

I am using common compress library to compress files in .7z format.

Compression rate is very slow(even with LMZA2 with compress preset  set as 3 while normal is 6) and close to 1MB/second for files which does not get compressed like mp4/mp3 etc.

Same files are compressing faster in zip compressor.

Could there be way to fast compressing such file into .7z format?

 

Thanks

 

 



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