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Conference noted::decps

Title:POLYCENTER Performance Data Collector & Advisor for OpenVMS
Notice:Latest version V2.2-51
Moderator:BSS::JILSON
Created:Wed Nov 07 1990
Last Modified:Thu Jun 05 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2413
Total number of notes:9017

2392.0. "Memory usage over 100% on GUI of DECPS-PA ?" by TAV02::ZVI_P (Here we are) Wed Feb 19 1997 10:01

Hi

 DECPS v 2.2 .
 Looking at a CPD file sent by a customer I get memory usage greater than
 100%.

 We get it only on the Motif interface, not on the character cell
interface.


 Machine type ALPHA 4100. VMS is 6.2 .

			Thanks
			Zvi




 
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2392.1OSOSPS::KAGEYAMATrust, but VerifyThu Feb 20 1997 19:167
Which part of memory in the graph generated by the Motif interface is 
greater than the equivalent one by the character cell interface?

Is it at certain time period or always over 100%?

- Kazunori
2392.2Always over 100%TAV02::ZVI_PHere we areSun Feb 23 1997 08:095
I produced a graph of memory utilization for one day. Memory Usage for the
whole day was around 132%, the graph average was 132%. I.e. it was always
over 100%

			Zvi
2392.3BSS::JILSONWFH in the Chemung River ValleySun Feb 23 1997 11:3111
Look at the PHYSICALPAGES parameter from the following command, does it 
match reality?

$ ADV COLL REP DUMP_DATA/BEG=09:00/END=09:02/NODE={nodename}/OUTPUT=DATA.TXT
$ SEARCH DATA.TXT PHYSICALPAGES

This data cell is used to store the actual amount of physical memory and 
NOT what is in SYSGEN.  Then this data cell is used in the calculation of 
memory utilization.

Jilly
2392.4PHYSICALPAGES == memory sizeTAV02::ZVI_PHere we areTue Feb 25 1997 11:1113
Hi jilly

 Here is what I get:


  SYSGEN_PHYSICALPAGES 131072 --> in alpha pages of 8Mb each.

  Their memory is 1024Mb.

  131072*8 = 1048576 = 1024Mb, so this eems fine.

		Zvi

2392.5BSS::JILSONWFH in the Chemung River ValleyTue Feb 25 1997 12:376
OK now dump the same time period for DUMP_METRIC and look at the memory 
usage values (ie Free List Page Cnt) and see if anything is out of whack.  
If nothing looks bad here then IPMT this case and make sure you have a .CPD 
file available for engineering.

Jilly
2392.6Memory usage values seem fine - give it a lookTAV02::ZVI_PHere we areWed Feb 26 1997 03:0525
Jilly give it a look please. to me it seems fine:


-------------------------------  Pool & Memory ---------------------------

NP Pool Maximum        36306944  NP Pool Blocks              5096  
Largest NP Block         953344  Smallest NP Block             64
PG Pool Maximum         3997696  PG Pool Blocks               108  
Largest PG Block        1711088  Smallest PG Block             16  

NP Free Blocks =< 32 byte      0  NP Free Bytes           4420736

PG Free Blocks =< 32 byte     74  PG Free Bytes           1716368
User Memory Pages          40976  Page Size                  8192


IPMT is a real bother. I had a bad experinec with that. They insisted on
getting the stuff on physical media and not by the net. Do you know how I
can pass them a CPD file on the net. As you know we are located in Israel.

		Thanks
		Zvi

			Thanks
			Zvi
2392.7BSS::JILSONWFH in the Chemung River ValleyWed Feb 26 1997 08:4511
Zvi,

	The easiest way to get a .CPD file to CA is to put it in a saveset, 
zip it and the FTP it to them.  With ZIP use the "-V9" options.  If you 
need help in getting the zipped file to CA I would be glad to help when CA 
asks for the file.

You need more than what you posted.  The Free List Page Cnt and Modifed 
List Page Cnt are in a different location in the DUMP_METRIC report.

Jilly
2392.8The page counts seem weird to me TAV02::ZVI_PHere we areWed Feb 26 1997 11:2331
Free List Page Cnt 14137  Modified List Page Cnt 1822

This is ok compared to:

            User Memory Pages 40976

But, if page is 8192 bytes , i.e. 8Mb then all these numbers are much
greater than the memory size which is 1024.

If these are in pagelets then they seem too small. e.g. user memory of
40976 pagelets means nearly 20Mb out of 1024 - these are too small.

Can you explain that ?

>	The easiest way to get a .CPD file to CA is to put it in a saveset, 
>zip it and the FTP it to them.  With ZIP use the "-V9" options.  If you 
>need help in getting the zipped file to CA I would be glad to help when CA 
>asks for the file.

Thanks, I'll be glad to get that service from you.

BTW: Here it is 18:00 and I have to leave.
     Tomorrow i am out of office.
     I'll be seeing NOTES only on Sunday 2-Mar-97. 

		Have a nice weekend

			Zvi