Linux/Compression tools: Difference between revisions

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<blockquote>
<blockquote>
<pre>
<pre>
#!/bin/bash
COMPRESSCMD="pigz -9"
DESC="pigz-best"


START=$(date +%s.%N)
cat image.img | $COMPRESSCMD > /backup/$DESC.img.gz
END=$(date +%s.%N)
DIFF=$(echo "$END - $START" | bc)
echo "$DIFF" > /backup/$DESC.log
</pre>  
</pre>  
</blockquote>
</blockquote>

Revision as of 11:29, 18 November 2012

benchmark

  • Compressing 6144MB kvm image
Command Arguments compressed size time
pigz --best 1526M 259.65s
pigz --fast 1667M 28.06s


  • benchmark script
#!/bin/bash
COMPRESSCMD="pigz -9"
DESC="pigz-best"

START=$(date +%s.%N)
cat image.img | $COMPRESSCMD > /backup/$DESC.img.gz
END=$(date +%s.%N)
DIFF=$(echo "$END - $START" | bc)
echo "$DIFF" > /backup/$DESC.log