mirror of
https://git.savannah.gnu.org/git/parallel.git
synced 2024-11-26 16:07:54 +00:00
98 lines
3 KiB
Bash
98 lines
3 KiB
Bash
#!/bin/bash
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# Simple jobs that never fails
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# Each should be taking 30-100s and be possible to run in parallel
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# I.e.: No race conditions, no logins
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par_race_condition1() {
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echo '### Test race condition on 8 CPU (my laptop)'
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seq 1 5000000 > /tmp/parallel_race_cond
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seq 1 10 | parallel -k "cat /tmp/parallel_race_cond | parallel --pipe --recend '' -k gzip >/dev/null; echo {}"
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rm /tmp/parallel_race_cond
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}
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par_tmp_full() {
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# Assume /tmp/shm is easy to fill up
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export SHM=/tmp/shm/parallel
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mkdir -p $SHM
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sudo umount -l $SHM 2>/dev/null
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sudo mount -t tmpfs -o size=10% none $SHM
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echo "### Test --tmpdir running full. bug #40733 was caused by this"
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stdout parallel -j1 --tmpdir $SHM cat /dev/zero ::: dummy
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}
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par_bug_48290() {
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echo "### bug #48290: round-robin does not distribute data based on business"
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echo "Jobslot 1 is 256 times slower than jobslot 4 and should get much less data"
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yes "$(seq 1000|xargs)" | head -c 30M |
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parallel --tagstring {%} --linebuffer --compress -j4 --roundrobin --pipe --block 10k \
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pv -qL '{= $_=int( $job->slot()**4/2+1) =}'0000 |
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perl -ne '/^\d+/ and $s{$&}++; END { print map { "$_\n" } sort { $s{$b} <=> $s{$a} } keys %s}'
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}
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par_memory_leak() {
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a_run() {
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seq $1 |time -v parallel true 2>&1 |
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grep 'Maximum resident' |
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field 6;
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}
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export -f a_run
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echo "### Test for memory leaks"
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echo "Of 10 runs of 1 job at least one should be bigger than a 3000 job run"
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small_max=$(seq 10 | parallel a_run 1 | jq -s max)
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big=$(a_run 3000)
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if [ $small_max -lt $big ] ; then
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echo "Bad: Memleak likely."
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else
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echo "Good: No memleak detected."
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fi
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}
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par_linebuffer_matters_compress_tag() {
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echo "### (--linebuffer) --compress --tag should give different output"
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random_data_with_id_prepended() {
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perl -pe 's/^/'$1'/' /dev/urandom |
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pv -qL 300000 | head -c 10000000
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}
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export -f random_data_with_id_prepended
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nolb=$(seq 10 |
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parallel -j0 --compress --tag random_data_with_id_prepended {#} |
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field 1 | uniq)
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lb=$(seq 10 |
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parallel -j0 --linebuffer --compress --tag random_data_with_id_prepended {#} |
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field 1 | uniq)
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if [ "$lb" == "$nolb" ] ; then
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echo "BAD: --linebuffer makes no difference"
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else
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echo "OK: --linebuffer makes a difference"
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fi
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}
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par_linebuffer_matters_compress() {
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echo "### (--linebuffer) --compress --tag should give different output"
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random_data_with_id_prepended() {
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perl -pe 's/^/'$1'/' /dev/urandom |
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pv -qL 300000 | head -c 1000000
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}
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export -f random_data_with_id_prepended
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nolb=$(seq 10 |
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parallel -j0 --compress random_data_with_id_prepended {#} |
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field 1 | uniq)
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lb=$(seq 10 |
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parallel -j0 --linebuffer --compress random_data_with_id_prepended {#} |
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field 1 | uniq)
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if [ "$lb" == "$nolb" ] ; then
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echo "BAD: --linebuffer makes no difference"
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else
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echo "OK: --linebuffer makes a difference"
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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 -j6 --tag -k '{} 2>&1'
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