Created
January 10, 2017 07:01
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71GBのファイルを圧縮: gzip vs bzip2 vs xz vs brotli
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$ time gzip -c db_backup.pgdump > db_backup.pgdump.gz | |
real 34m57.109s | |
user 34m13.108s | |
sys 0m38.711s | |
$ time bzip2 -c db_backup.pgdump > db_backup.pgdump.bz2 | |
real 166m0.206s | |
user 164m28.035s | |
sys 1m8.468s | |
$ time xz -c db_backup.pgdump > db_backup.pgdump.xz | |
real 584m37.972s | |
user 582m14.527s | |
sys 1m39.855s | |
$ time bro < db_backup.pgdump > db_backup.pgdump.bro | |
real 3039m16.075s | |
user 3020m0.212s | |
sys 14m49.337s | |
$ du -sh db_backup.pgdump* | |
71G db_backup.pgdump | |
8.5G db_backup.pgdump.bro | |
9.5G db_backup.pgdump.bz2 | |
13G db_backup.pgdump.gz | |
8.6G db_backup.pgdump.xz | |
$ du -sk db_backup.pgdump* | sort -nr | |
74922952 db_backup.pgdump | |
14100524 db_backup.pgdump.gz | |
10000256 db_backup.pgdump.bz2 | |
9061996 db_backup.pgdump.xz | |
8887740 db_backup.pgdump.bro |
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