Hi all
Just cobbled together a test to keep tabs on where memory is going on my Solaris 10 servers, in particular, how much is going to kernel and ZFS cache. (It might work for other Solaris versions, but I haven't tried. YMMV)
Please let me know if you spot any bugs.
It's 2 scripts. An mod to hobbitserver.cfg and hobbitgraph.cfg, and an update to clientlaunch.cfg
Here goes.
On the client, add this to clientlaunch.cfg [memstat] ENVFILE $HOBBITCLIENTHOME/etc/hobbitclient.cfg CMD $HOBBITCLIENTHOME/ext/memstat.ksh LOGFILE $HOBBITCLIENTHOME/logs/memstat.log INTERVAL 5m
Client side scripts.
cat memstat.ksh
#!/bin/ksh
TEMPFILE=$BBTMP/memstat.tmp
COLOUR=green
ALERT=1 # 1= alert on high usage
YELLOW=75
RED=90
date > $TEMPFILE
echo >> $TEMPFILE
$HOBBITCLIENTHOME/ext/getmemstat.ksh > $TEMPFILE.data
cat $TEMPFILE.data >> $TEMPFILE
if [ $ALERT -eq 1 ]
then
cat $TEMPFILE.data | egrep "^Kernel|^Anon|^Exec" | cut -c52-56 | while
read a
do
if [ $a -gt $YELLOW -a "$COLOUR" = "green" ]
then
COLOUR=yellow
else
[ $a -gt $RED ] && COLOUR=red
fi
done
fi
echo '<p><font size="1" color="black">' >> $TEMPFILE
cat $TEMPFILE.data | egrep -v -- "-----|Summary|^$|^Total|^Physical"
| sed "s/^Free //g"
| sed "s/[(|)|%]//g"
| awk '{ print $1" : "$NF }' >> $TEMPFILE
echo '</font></p>' >> $TEMPFILE
rm $TEMPFILE.data
$BB $BBDISP "status $MACHINE.memstat $COLOUR $(cat $TEMPFILE)"
rm $TEMPFILE
cat getmemstat.ksh
#!/bin/ksh echo "::memstat" | mdb -k
Hobbit user cannot run mdb, so we need to set permissions to 4755 and owner root on getmemstat.ksh chown root getmemstat.ksh chmod 4755 getmemstat.ksh
On the server Add this to hobbitserver TEST2RRD="blah,blah,blah,memstat=ncv" GRAPHS="whatever was there, memstat" NCV_memstat="*:GAUGE"
Add this to hobbitgraph.cfg [memstat] TITLE Kernel Memory Allocation YAXIS % -u 100 -l 0 DEF:a=memstat.rrd:Kernel:AVERAGE DEF:b=memstat.rrd:ZFS:AVERAGE DEF:c=memstat.rrd:Anon:AVERAGE DEF:d=memstat.rrd:Exec:AVERAGE DEF:e=memstat.rrd:Page:AVERAGE DEF:f=memstat.rrd:cachelist:AVERAGE DEF:g=memstat.rrd:freelist:AVERAGE AREA:a#00FF00:Kernel STACK:b#000099:ZFS STACK:c#009999:Anon STACK:d#FF00FF:Exec STACK:e#FFFF00:Page STACK:f#00FFFF:cachelist STACK:g#FF0000:freelist COMMENT:\n GPRINT:a:LAST:Kernel \: %5.1lf%s (cur) GPRINT:a:MAX: \: %5.1lf%s (max) GPRINT:a:MIN: \: %5.1lf%s (min) GPRINT:a:AVERAGE: \: %5.1lf%s (avg)\n GPRINT:b:LAST:ZFS \: %5.1lf%s (cur) GPRINT:b:MAX: \: %5.1lf%s (max) GPRINT:b:MIN: \: %5.1lf%s (min) GPRINT:b:AVERAGE: \: %5.1lf%s (avg)\n GPRINT:c:LAST:Anon \: %5.1lf%s (cur) GPRINT:c:MAX: \: %5.1lf%s (max) GPRINT:c:MIN: \: %5.1lf%s (min) GPRINT:c:AVERAGE: \: %5.1lf%s (avg)\n GPRINT:d:LAST:Exec \: %5.1lf%s (cur) GPRINT:d:MAX: \: %5.1lf%s (max) GPRINT:d:MIN: \: %5.1lf%s (min) GPRINT:d:AVERAGE: \: %5.1lf%s (avg)\n GPRINT:e:LAST:Page \: %5.1lf%s (cur) GPRINT:e:MAX: \: %5.1lf%s (max) GPRINT:e:MIN: \: %5.1lf%s (min) GPRINT:e:AVERAGE: \: %5.1lf%s (avg)\n GPRINT:f:LAST:cachelist \: %5.1lf%s (cur) GPRINT:f:MAX: \: %5.1lf%s (max) GPRINT:f:MIN: \: %5.1lf%s (min) GPRINT:f:AVERAGE: \: %5.1lf%s (avg)\n GPRINT:g:LAST:freelist \: %5.1lf%s (cur) GPRINT:g:MAX: \: %5.1lf%s (max) GPRINT:g:MIN: \: %5.1lf%s (min) GPRINT:g:AVERAGE: \: %5.1lf%s (avg)\n
Regards Vernon