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Server Performance Question about Paging File

Posted on 2010-11-30
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Last Modified: 2012-05-10
I have a server that running Backup Exec 12.5 and Robocopy tasks to a local storage SAS unit running in a RAID 5 config and I want to optimize this server performance.

The server was originally hard set the Paging File to 2048 - 4096.  I changed the setting to allow the server to manage the paging file.
Since I did this change I noticed that the backup jobs are taking double the time.
When the system gets active I see the Paging Input/Sec in the thousands rather than single digits.

Any suggestions?

Here are my server spec:
[indent]OS Name	Microsoft(R) Windows(R) Server 2003, Standard Edition
Version	5.2.3790 Service Pack 2 Build 3790
Other OS Description 	Not Available
OS Manufacturer	Microsoft Corporation
System Name	
System Manufacturer	HP
System Model	ProLiant DL360 G4
System Type	X86-based PC
Processor	x86 Family 15 Model 4 Stepping 1 GenuineIntel ~3400 Mhz
Processor	x86 Family 15 Model 4 Stepping 1 GenuineIntel ~3400 Mhz
Processor	x86 Family 15 Model 4 Stepping 1 GenuineIntel ~3400 Mhz
Processor	x86 Family 15 Model 4 Stepping 1 GenuineIntel ~3400 Mhz
BIOS Version/Date	HP P52, 7/16/2007
SMBIOS Version	2.3
Windows Directory	C:\WINDOWS
System Directory	C:\WINDOWS\system32
Boot Device	\Device\HarddiskVolume2
Locale	United States
Hardware Abstraction Layer	Version = "5.2.3790.3959 (srv03_sp2_rtm.070216-1710)"
User Name	Not Available
Time Zone	Eastern Standard Time
Total Physical Memory	3,583.47 MB
Available Physical Memory	1.70 GB
Total Virtual Memory	5.35 GB
Available Virtual Memory	3.04 GB
Page File Space	2.00 GB
Page File	C:\pagefile.sys
[/indent]

Performance Log during an Ideal Time:

Time	 Mem\Available Bytes 	Mem\Pg Inp/sec	Pg File(_Total)\% Usage
55:46.4	 1,827,610,624.00 	 		25.10672501
56:01.4	 1,822,076,928.00 	0		25.05002138
56:16.4	 1,885,429,760.00 	0		25.75280272
56:31.4	 1,816,645,632.00 	0.266740156	25.49181329
56:46.4	 1,789,579,264.00 	0		25.4721484
57:01.4	 1,778,929,664.00 	0.266721253	25.4058987
57:16.4	 1,866,051,584.00 	0.733381751	25.34442204
57:31.4	 1,838,723,072.00 	0.333404337	25.17851142
57:46.4	 1,813,192,704.00 	0.133247831	25.07445931
58:01.4	 1,807,732,736.00 	0		25.04219361
58:16.4	 1,804,873,728.00 	0		25.01622831
58:31.4	 1,765,769,216.00 	1.199776912	24.93413215
58:46.4	 1,746,046,976.00 	0		24.90778501
59:01.4	 1,745,125,376.00 	0		24.89594789
59:16.4	 1,895,645,184.00 	0		25.84902707
59:31.4	 1,860,239,360.00 	0.333273967	25.61877597
59:46.4	 1,879,490,560.00 	0		25.70793622
00:01.4	 1,835,798,528.00 	29.89247754	25.48818579
00:16.4	 1,814,859,776.00 	43.11682909	25.38928855
00:31.4	 1,768,919,040.00 	7.13199765	25.26137127
00:46.4	 1,710,166,016.00 	426.1659487	25.12333517
01:01.4	 1,622,028,288.00 	317.3885636	25.04811217
01:16.4	 1,584,152,576.00 	33.10341903	25.00763685
01:31.4	 1,577,603,072.00 	5.869780721	24.98625367
01:46.4	 1,581,834,240.00 	0		24.9730801
02:01.4	 1,715,163,136.00 	2.734404715	24.77814944
02:16.4	 1,823,383,552.00 	1.399477031	27.45811186
02:31.4	 1,821,634,560.00 	205.7737405	27.45238423
02:46.4	 1,778,208,768.00 	0		27.64846041
03:01.4	 1,764,720,640.00 	0		27.56178214
03:16.4	 1,686,007,808.00 	137.7743785	27.23320656
03:31.4	 1,677,164,544.00 	5.271174581	26.55581775
03:46.4	 1,669,349,376.00 	8.400080659	26.52240652
04:01.4	 1,670,750,208.00 	0		26.46646658
04:16.4	 1,834,622,976.00 	0.266666898	27.6026393
04:31.4	 1,759,862,784.00 	0.400189271	27.37028806
04:46.4	 1,709,617,152.00 	18.85578897	27.29239217
05:01.4	 1,692,123,136.00 	35.68545923	27.23683407
05:16.4	 1,685,094,400.00 	8.596734503	27.19559506
05:31.4	 1,693,736,960.00 	1.73459079	27.15664712
05:46.4	 1,690,636,288.00 	0.133291184	27.13564577
06:01.4	 1,685,508,096.00 	143.1064558	27.10586205
06:16.4	 1,867,874,304.00 	0		27.71222813
06:31.4	 1,804,791,808.00 	1.066405512	27.49839626
06:46.4	 1,764,368,384.00 	0.066675941	27.46670332
07:01.4	 1,748,713,472.00 	1.067162403	27.38708914
07:16.4	 1,743,491,072.00 	0		27.36112384
07:31.4	 1,743,233,024.00 	0		27.3590237
07:46.4	 1,738,547,200.00 	0.33316276	27.31893023
08:01.4	 1,734,369,280.00 	0		27.30155639
08:16.4	 1,732,583,424.00 	0		27.29888349
08:31.4	 1,828,446,208.00 	0		27.86821084
08:46.4	 1,790,181,376.00 	0.199963753	27.63872342
09:01.4	 1,777,545,216.00 	0		27.56082753
09:16.4	 1,878,171,648.00 	0		28.1626115
09:31.4	 1,879,576,576.00 	0		28.27277309
09:46.4	 1,832,538,112.00 	0.333295705	28.02400263
10:01.4	 1,756,774,400.00 	0.933645101	27.87260203
10:16.4	 1,732,935,680.00 	5.93223002	27.81513471
10:31.4	 1,704,087,552.00 	0		27.80406128
10:46.4	 1,678,618,624.00 	0.26679045	27.78286901
11:01.4	 1,673,621,504.00 	0.066649958	27.74525751
11:16.4	 1,667,530,752.00 	0		27.71050984
11:31.4	 1,877,344,256.00 	0		27.86668347
11:46.4	 1,829,433,344.00 	0.19997718	27.63509592
12:01.4	 1,872,547,840.00 	1.200627568	27.37582478
12:16.4	 1,855,311,872.00 	0		27.90868616
12:31.4	 1,818,112,000.00 	0		27.89054863
12:46.4	 1,757,949,952.00 	0.466823217	27.68378085
13:01.4	 1,856,376,832.00 	130.6769232	28.01006537
13:16.4	 1,803,833,344.00 	0.599813381	27.84224554
13:31.4	 1,798,131,712.00 	0		27.81074352

 

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Question by:yo_bee
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Expert Comment

by:ipajones
ID: 34240233
Generally it's better to have a pagefile set to a permanent size (in your case I would set it to 3.5Gb - the same as the amount of physical RAM) so when the pagefile is created it's using where possible contiguous disk space which improves the paging performance.  When set to be dynamic the system may change the size of the pagefile which can lead to a fragmented file, creating longer read/write times compared with a pagefile saved in contiguous space.

I would also recommend putting your pagefile on a separate physical spindle where possible (i.e. not on the same physical disk(s) as the system partition).

Does this help?
--IJ
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by:yo_bee
ID: 34240480
What should I set the Maximum size at?
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Accepted Solution

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ipajones earned 500 total points
ID: 34240579
To create the pagefile in contiguous space you should set the initial and max size values to the same. So...

Initial size:  3.58 Gb
Max size:  3.58 Gb

Note you'll need a reboot for any changes to the pagefile to take effect.

--IJ
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

 
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by:yo_bee
ID: 34241179
I will let you know if this works.
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Author Closing Comment

by:yo_bee
ID: 34248335
This helped with by decreasing my backup time by 1/3
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Author Comment

by:yo_bee
ID: 34258918
I have another server that is 64 Bit.
What do you recommend
OS Name	Microsoft(R) Windows(R) Server 2003 Enterprise x64 Edition
Version	5.2.3790 Service Pack 2 Build 3790
Other OS Description 	R2
OS Manufacturer	Microsoft Corporation
System Name	FLH-SUM01
System Manufacturer	HP
System Model	ProLiant DL380 G5
System Type	x64-based PC
Processor	EM64T Family 6 Model 23 Stepping 10 GenuineIntel ~2833 Mhz
Processor	EM64T Family 6 Model 23 Stepping 10 GenuineIntel ~2833 Mhz
Processor	EM64T Family 6 Model 23 Stepping 10 GenuineIntel ~2833 Mhz
Processor	EM64T Family 6 Model 23 Stepping 10 GenuineIntel ~2833 Mhz
Processor	EM64T Family 6 Model 23 Stepping 10 GenuineIntel ~2833 Mhz
Processor	EM64T Family 6 Model 23 Stepping 10 GenuineIntel ~2833 Mhz
Processor	EM64T Family 6 Model 23 Stepping 10 GenuineIntel ~2833 Mhz
Processor	EM64T Family 6 Model 23 Stepping 10 GenuineIntel ~2833 Mhz
BIOS Version/Date	HP P56, 7/10/2009
SMBIOS Version	2.4
Windows Directory	C:\WINDOWS
System Directory	C:\WINDOWS\system32
Boot Device	\Device\HarddiskVolume7
Locale	United States
Hardware Abstraction Layer	Version = "5.2.3790.3959 (srv03_sp2_rtm.070216-1710)"
User Name	Not Available
Time Zone	Eastern Standard Time
Total Physical Memory	16,381.66 MB
Available Physical Memory	10.46 GB
Total Virtual Memory	17.40 GB
Available Virtual Memory	12.24 GB
Page File Space	2.00 GB
Page File	C:\pagefile.sys

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by:ipajones
ID: 34259551
Happy to try and help but please post a new question as this thread has already been closed.
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by:yo_bee
ID: 34259979
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