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тАО04-08-2004 10:32 PM
тАО04-08-2004 10:32 PM
Different MB memory used
just a questions:
I have an HP-UX 11.0 with 512 MB of memory.
#grep -i Physical /var/adm/syslog/syslog.log
Jan 27 00:35:21 hptest vmunix: Physical: 524288 Kbytes, lockable: 379144 Kby
tes, available: 439892 Kbytes
My questions is:
if i run the "TOP" command i can see:
Memory: 30460K (10552K) real, 133308K (17744K) virtual, 30240K free
But, where are the others MB of memory??
Total Memory System 512MB
real from "top" 30460/KB /1024) 30MB
virtual from "top"KB 130MB
free from "top" 30240KB 30MB
So I have only 190MB !!
total 512 - 190 = 322 MB
(where are these 322 MB!!)
Thanks in advance
Alex
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тАО04-08-2004 10:53 PM
тАО04-08-2004 10:53 PM
Re: Different MB memory used
Regds,
Kaps
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тАО04-08-2004 11:07 PM
тАО04-08-2004 11:07 PM
Re: Different MB memory used
You can get a better overview with glance.
Also, checkout your kernel parameter dbc_maxpct. You might lower it to about 25, meaning only 25% (max) will be used for buffer cache.
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тАО04-09-2004 02:13 AM
тАО04-09-2004 02:13 AM
Re: Different MB memory used
total memory,
used memory,
available memory,
I have executed.
pstat(PSTAT_STATIC,&stat_buf,sizeof(stat_buf),0,0);
pstat(PSTAT_DYNAMIC,&dynam_buf,sizeof(dynam_buf),0,0);
printf(" Physical memory = %ld MB\n",stat_buf.physical_memory/256);
printf(" Virtual memory = %ld MB\n",dynam_buf.psd_vm/256);
printf("Active Virtual memory = %ld MB\n",dynam_buf.psd_avm/256);
printf(" Real memory = %ld MB\n",dynam_buf.psd_rm/256);
printf(" Active Real memory = %ld MB\n",dynam_buf.psd_arm/256);
printf(" Free Memory = %ld MB\n",dynam_buf.psd_free/256);
return; }
results:
-----------------------------------
Physical memory = 512 MB
Virtual memory = 128 MB
Active Virtual memory = 17 MB
Real memory = 29 MB ??? what is this??
Active Real memory = 8 MB
Free Memory = 27 MB very strange...
878447 exec()s on processor #0
total execs for the system were 878447
In total I have 512 MB of memory,
but how can i see the free and the used amount of memory in MB?
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тАО04-09-2004 02:28 AM
тАО04-09-2004 02:28 AM
Re: Different MB memory used
Maybe these will answer some of your question,
http://www2.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000068500228
http://www2.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000072760485
The itrc doc ids are A3940339 & RCMEMKBRC00005784
Here are some ways to find how much memory you have on the system,
1.) echo "selclass qualifier memory;info;wait;infolog" | cstm | grep 'Total Configured'
2.) grep Physical /var/adm/syslog/syslog.log
Hope this helps.
Regds
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тАО04-09-2004 02:54 AM
тАО04-09-2004 02:54 AM
Re: Different MB memory used
but then how can I verify the real memory available in the system and the real memory used in this moment in the system?
Alex