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Decompression time of full 7z dumps of the English Wikipedia (pages-meta-history*7z)
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Authored by Nemo_bis on Jan 15 2017, 9:41 AM.
$ wget -np -r -nd -A 7z http://dumps.wikimedia.your.org/enwiki/20170101/
$ find -name "*pages-meta-history*7z" -print0 | /usr/bin/time -v xargs -n1 -P16 -0 -I_ 7z e -so _ > /dev/null
Command exited with non-zero status 123
Command being timed: "xargs -n1 -P16 -0 -I_ 7z e -so _"
User time (seconds): 91219.61
System time (seconds): 1278.98
Percent of CPU this job got: 1420%
Elapsed (wall clock) time (h:mm:ss or m:ss): 1:48:31
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kbytes): 0
Maximum resident set size (kbytes): 4512
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 29
Minor (reclaiming a frame) page faults: 648948
Voluntary context switches: 8321
Involuntary context switches: 13001456
Swaps: 0
File system inputs: 446354904
File system outputs: 48
Socket messages sent: 0
Socket messages received: 0
Signals delivered: 0
Page size (bytes): 4096
Exit status: 123
$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 24
On-line CPU(s) list: 0-23
Vendor ID: GenuineIntel
CPU family: 6
Model: 44
Model name: Intel(R) Xeon(R) CPU X5675 @ 3.07GHz
Stepping: 2
CPU MHz: 3066.753
BogoMIPS: 6133.57
Virtualization: VT-x