Linux/Compression tools: Difference between revisions
< Linux
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* Compressing 6144MB kvm image | * Compressing 6144MB kvm image | ||
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! Command | ! Command | ||
Revision as of 11:32, 18 November 2012
benchmark
- Compressing 6144MB kvm image
| Command | Arguments | compressed size | time |
|---|---|---|---|
| cat | > target | 6144M | 55.96s |
| 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