Speed up csv compression on SMP machines#1085
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sbernhard wants to merge 1 commit into
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Thoughs on this @evgeni ? |
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@stejskalleos can you maybe have a look at this? |
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/packit build |
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ping @sbernhard |
The output of pbzip2 is fully compatible with bzip2. pbzip2 is optimized on SMP machines as it splits the input in multiple chunks and uses threads to run on multiple cpu cores to speed up the compression. This change requires to add pbzip2 as a requirements in the RPM spec for foreman-maintain.
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Some measurements on a system with 16 cores. bigfile has size of 1.9GB. bzip2: pbzip2: |
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/packit build |
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The output of pbzip2 is fully compatible with bzip2. pbzip2 is optimized on SMP machines as it splits the input in multiple chunks and uses threads to run on multiple cpu cores to speed up the compression.
This change requires to add pbzip2 as a requirements in the RPM spec for foreman-maintain.