nginx memory leaks monitoring

nginx-memleaktest.sh

#!/bin/sh

nginxpidfile=/var/run/nginx.pid

if [ ! -e ${nginxpidfile} ]; then
	echo "nginx pid file (${nginxpidfile}) not found" >&2
	exit 1
fi

ppid=`cat ${nginxpidfile}`

kill -0 ${ppid} >/dev/null 2>&1

if [ $? -ne 0 ]; then
	echo "nginx is not running or stale pid file?" >&2
	exit 1
fi

echo "Watching for nginx (master pid=${ppid})"

i=0
while [ :: ]; do
	echo -n "`date` [$i]: "
	mstat=`ps -p ${ppid} -ho pid,vsz,rss 2>&1 | awk '{print "master " $2 "/" $3}'`
	wstat=`ps --ppid ${ppid} -ho pid,vsz,rss 2>&1 | awk '{vsz=vsz+$2; rss=rss+$3; n=n+1} END {print "workers(" n ") " vsz "/" rss;}'`
	echo "${mstat} ${wstat}"
#	service nginx reload >/dev/null 2>&1
	sleep 1
	i=$((i+1))
done