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increase paralelism of jobs

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because sometimes tcping takes a long time to timeout for a lot
of hosts in batch use also load average to keep the cpu busy
This commit is contained in:
Hubert Kario 2014-05-08 03:13:45 +02:00
parent a213fc45d0
commit 5ef53dda9c
1 changed files with 12 additions and 2 deletions
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14
top1m/testtop1m.sh
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@ -1,13 +1,23 @@
#!/usr/bin/env bash
parallel=50
parallel=10
max_bg=50
absolute_max_bg=100
max_load=50
if [ $(ulimit -u) -lt $((10*absolute_max_bg)) ]; then
echo "max user processes too low, use ulimit -u to increase"
exit 1
fi
[ ! -e "results" ] && mkdir results
function wait_for_jobs() {
local no_jobs
no_jobs=$(jobs | wc -l)
while [ $no_jobs -gt $1 ]; do
while [ $no_jobs -gt $1 ] || awk -v maxload=$max_load '{ if ($1 < maxload) exit 1 }' /proc/loadavg; do
if awk -v maxload=$max_load '{ if ($1 > maxload) exit 1 }' /proc/loadavg && [ $no_jobs -lt $absolute_max_bg ]; then
return
fi
sleep 1
no_jobs=$(jobs | wc -l)
done