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https://git.savannah.gnu.org/git/parallel.git
synced 2024-11-22 14:07:55 +00:00
80 lines
2.2 KiB
Bash
80 lines
2.2 KiB
Bash
#!/bin/bash
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# Simple jobs that never fails
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# Each should be taking >100s and be possible to run in parallel
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# I.e.: No race conditions, no logins
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# tmpdir with > 5 GB available
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TMP5G=${TMP5G:-/dev/shm}
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export TMP5G
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rm -f /tmp/*.{tmx,pac,arg,all,log,swp,loa,ssh,df,pip,tmb,chr,tms,par}
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par_retries_unreachable() {
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echo '### Test of --retries on unreachable host'
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seq 2 | stdout parallel -k --retries 2 -v -S 4.3.2.1,: echo
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}
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par_outside_file_handle_limit() {
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ulimit -n 1024
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echo "### Test Force outside the file handle limit, 2009-02-17 Gave fork error"
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(echo echo Start; seq 1 20000 | perl -pe 's/^/true /'; echo echo end) |
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stdout parallel -uj 0 | egrep -v 'processes took|adjusting' |
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perl -pe 's/\d\d\d/999/'
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}
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par_over_4GB() {
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echo '### Test if we can deal with output > 4 GB'
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echo |
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nice parallel --tmpdir $TMP5G -q perl -e '$a="x"x1000000;for(0..4300){print $a}' |
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nice md5sum
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}
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measure() {
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# Input:
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# $1 = iterations
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# $2 = sleep 1 sec for every $2
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seq $1 | ramusage parallel -u sleep '{= $_=$_%'$2'?0:1 =}'
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}
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export -f measure
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no_mem_leak() {
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# Return false if leaking
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max1000=$(parallel measure {} 100000 ::: 1000 1000 1000 1000 1000 1000 1000 1000 |
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sort -n | tail -n 1)
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min30000=$(parallel measure {} 100000 ::: 30000 30000 30000 |
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sort -n | head -n 1)
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if [ $max1000 -gt $min30000 ] ; then
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# Make sure there are a few sleeps
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max1000=$(parallel measure {} 100 ::: 1000 1000 1000 1000 1000 1000 1000 1000 |
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sort -n | tail -n 1)
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min30000=$(parallel measure {} 100 ::: 30000 30000 30000 |
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sort -n | head -n 1)
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if [ $max1000 -gt $min30000 ] ; then
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echo $max1000 -gt $min30000 = no leak
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return 0
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else
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echo not $max1000 -gt $min30000 = possible leak
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return 1
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fi
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else
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echo not $max1000 -gt $min30000 = possible leak
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return 1
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fi
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}
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export -f no_mem_leak
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par_mem_leak() {
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echo "### test for mem leak"
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if no_mem_leak >/dev/null ; then
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echo no mem leak detected
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else
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echo possible mem leak;
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fi
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}
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export -f $(compgen -A function | grep par_)
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compgen -A function | grep par_ | sort | parallel -vj0 -k --tag --joblog /tmp/jl-`basename $0` '{} 2>&1'
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