Lowest Kernel Page.

Обсуждение технических вопросов по продуктам Novell

Lowest Kernel Page.

Сообщение Andrew Pushkarev » 27 ноя 2012, 15:06

Прошу поделиться опытом. Как разрешить ситуацию?
Дополнительную информацию сообщу по необходимости

Server l is running low. Increase the available logical space by restarting the server with the -u402075648 switch
Отчет от seg.nlm показывает нулевое значение Lowest Kernel Page. Привожу фрагмент:


*** Memory Pool Configuration for : USERNBU
Time and date : 10:45:03 AM 11/26/2012
Server version : NetWare 6.5 Support Pack 7
Server uptime : 10d 23h 48m 40s
SEG.NLM uptime : 6d 00h 30m 02s
SEG.NLM version : v2.00.17

Original Memory : 4,289,654,784 bytes (4.00 GB)
ESM Memory : 805,306,368 bytes (768.0 MB)
0xFFFFFFFF --------------------------------------------------------------
| Kernel Reserved Space |
| |
| Size : 180,355,071 bytes (172.0 MB) |
| |
0xF5400000 --------------------------------------------------------------
| User Address Space (L!=P) |
| |
| User Pool Size : 884,998,144 bytes (844.0 MB) |
| High Water Mark : 297,218,048 bytes (283.4 MB) |
| PM Pages In Use : 163,840 bytes (160 KB) |
| |
0xC0800000 --------------------------------------------------------------
| Virtual Memory Address Space (L!=P) |
| |
| VM Address Space : 2,155,872,256 bytes (2.01 GB) |
| Available : 1,658,142,720 bytes (1.54 GB) |
| Total VM Pages : 1,658,089,472 bytes (1.54 GB) |
| Free Clean VM : 1,656,025,088 bytes (1.54 GB) |
| Free Cache VM : 2,064,384 bytes (2.0 MB) |
| Total LP Pages : 0 bytes (0 KB) |
| Free Clean LP : 0 bytes (0 KB) |
| Free Cache LP : 0 bytes (0 KB) |
| Free Dirty : 0 bytes (0 KB) |
| NLM Memory In Use : 534,450,176 bytes (509.7 MB) |
| NLM/VM Memory : 528,519,168 bytes (504.0 MB) |
| Largest Segment : 53,919,744 bytes (51.4 MB) |
| Lowest Kernel Page: 0 bytes (0 KB) |
| : [0x00000000] |
| High Water Mark : 927,674,368 bytes (884.7 MB) |
| Alloc Failures : 0 |
| |
0x40000000 --------------------------------------------------------------
| File System Address Space (L==P or L!=P) |
| |
| FS Address Space : 1,067,311,104 bytes (1017.9 MB) |
| Available : 141,733,888 bytes (135.2 MB) |
| Largest Segment : 135,061,504 bytes (128.8 MB) |
| |
| NSS Memory (85%) : 799,174,656 bytes (762.2 MB) |
| NSS (avail cache) : 796,241,920 bytes (759.4 MB) |
| |
0x00622000 --------------------------------------------------------------
| DOS / SERVER.NLM |
| |
| Size : 6,430,720 bytes (6.1 MB) |
| |
0x00000000 --------------------------------------------------------------


Total NLMs loaded on the server: 247
Andrew Pushkarev
 
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Re: Lowest Kernel Page.

Сообщение Andrew Pushkarev » 28 ноя 2012, 11:26

Еще произошло следующее перераспределение памяти:

Cache buffer memory, in bytes: … 27% (было ~59)
Miscellaneous memory, in bytes … 58% (было ~28)
Andrew Pushkarev
 
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Re: Lowest Kernel Page.

Сообщение Dimerson » 28 ноя 2012, 11:30

а что мешает запускать как оно хочет ? server.exe -u402075648 ?
Я так понял проблема с фрагментацией памяти ? Хотелось бы знать чем занят сервер ....
Аватара пользователя
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Re: Lowest Kernel Page.

Сообщение Andrew Pushkarev » 28 ноя 2012, 17:43

Сервер технологический, доступ в нерабочее время крайне ограничен.
Нужно разобраться в происходящем. Пробовать могу, но на тестовом сервере.

Фрагмент репорта на момент ошибки.
Total Fragmented - 107,5 MB (это 2,6%) :

Logical Memory Summary Information
=================================================================================

File System Cache Information
FS Cache Free : 149,811,200 bytes (142.9 MB)
FS Cache Fragmented : 2,043,904 bytes (1.9 MB)
FS Cache Largest Segment : 144,855,040 bytes (138.1 MB)

Logical System Cache Information
LS Cache Free : 1,099,436,032 bytes (1.02 GB)
LS Cache Fragmented : 110,698,496 bytes (105.6 MB)
LS OS Reserved Data : 333,455,360 bytes (318.0 MB)
LS Cache Largest Segment : 47,333,376 bytes (45.1 MB)
LS Cache Largest Position : 59985000

Summary Statistics
Total Address Space : 4,294,967,296 bytes (4.00 GB)
Total Free : 1,249,247,232 bytes (1.16 GB)
Total Fragmented : 112,742,400 bytes (107.5 MB)
Highest Physical Address : CFB4F000
User Space : 884,998,144 bytes (844.0 MB)
User Space (High Water Mark) : 297,218,048 bytes (283.4 MB)
NLM Memory (High Water Mark) : 927,674,368 bytes (884.7 MB)
Kernel Address Space In Use : 1,723,260,928 bytes (1.60 GB)
Available Kernel Address Space : 1,393,610,752 bytes (1.30 GB)
Andrew Pushkarev
 
Сообщения: 94
Зарегистрирован: 04 сен 2002, 16:08

Re: Lowest Kernel Page.

Сообщение Andrew Pushkarev » 13 май 2013, 11:19

Вновь прошу Вашего внимания. Помогите определить, что ЕСТ память. Привожу полный отчет segstat:
В то числе вопрос куда расходуется: "Kernel Address Space In Use : 2,315,804,672 bytes (2.16 GB)" ?


*** Memory Pool Configuration for : USERNBU
Time and date : 02:52:08 AM 05/13/2013
Server version : NetWare 6.5 Support Pack 7
Server uptime : 3d 15h 05m 40s
SEG.NLM uptime : 3d 11h 52m 07s
SEG.NLM version : v2.00.17

Original Memory : 4,289,654,784 bytes (4.00 GB)
ESM Memory : 805,306,368 bytes (768.0 MB)
0xFFFFFFFF --------------------------------------------------------------
| Kernel Reserved Space |
| |
| Size : 180,355,071 bytes (172.0 MB) |
| |
0xF5400000 --------------------------------------------------------------
| User Address Space (L!=P) |
| |
| User Pool Size : 884,998,144 bytes (844.0 MB) |
| High Water Mark : 297,218,048 bytes (283.4 MB) |
| PM Pages In Use : 0 bytes (0 KB) |
| |
0xC0800000 --------------------------------------------------------------
| Virtual Memory Address Space (L!=P) |
| |
| VM Address Space : 1,396,703,232 bytes (1.30 GB) |
| Available : 909,836,288 bytes (867.7 MB) |
| Total VM Pages : 909,783,040 bytes (867.6 MB) |
| Free Clean VM : 907,710,464 bytes (865.7 MB) |
| Free Cache VM : 2,072,576 bytes (2.0 MB) |
| Total LP Pages : 0 bytes (0 KB) |
| Free Clean LP : 0 bytes (0 KB) |
| Free Cache LP : 0 bytes (0 KB) |
| Free Dirty : 0 bytes (0 KB) |
| NLM Memory In Use : 506,466,304 bytes (483.0 MB) |
| NLM/VM Memory : 503,443,456 bytes (480.1 MB) |
| Largest Segment : 59,891,712 bytes (57.1 MB) |
| Lowest Kernel Page: 1,832,910,848 bytes (1.71 GB) |
| : [0x6D400000] |
| High Water Mark : 889,262,080 bytes (848.1 MB) |
| Alloc Failures : 0 |
| |
0x6D400000 --------------------------------------------------------------
| File System Address Space (L==P or L!=P) |
| |
| FS Address Space : 1,826,525,184 bytes (1.70 GB) |
| Available : 254,398,464 bytes (242.6 MB) |
| Largest Segment : 247,062,528 bytes (235.6 MB) |
| |
| NSS Memory (85%) : 1,433,223,168 bytes (1.33 GB) |
| NSS (avail cache) : 1,430,437,888 bytes (1.33 GB) |
| |
0x00617000 --------------------------------------------------------------
| DOS / SERVER.NLM |
| |
| Size : 6,385,664 bytes (6.1 MB) |
| |
0x00000000 --------------------------------------------------------------


Total NLMs loaded on the server: 247



Top 20 Memory Consuming NLMs
NLM Name Version Date Total NLM Memory
=================================================================================
1. NSS.NLM 3.26 14 Sep 2007 171,482,192 bytes (163.5 MB)
2. LPROTECT.NLM 5.80 21 Dec 2011 101,070,101 bytes (96.4 MB)
3. SERVER.NLM 5.70.07 18 Sep 2007 65,867,712 bytes (62.8 MB)
4. DS.NLM 20216.51 28 Aug 2007 27,585,121 bytes (26.3 MB)
5. CIOS.NLM 1.60 10 Sep 2007 20,230,614 bytes (19.3 MB)
6. APACHE2.NLM 2.00.59 13 Mar 2007 19,756,069 bytes (18.8 MB)
7. FILESYS.NLM 5.14 21 Sep 2006 8,561,015 bytes (8.2 MB)
8. FATFS.NLM 1.24 27 Aug 2007 5,703,765 bytes (5.4 MB)
9. MM.NLM 3.22.05 7 May 2007 3,656,272 bytes (3.5 MB)
10. WS2_32.NLM 6.23.05 18 Sep 2007 3,524,412 bytes (3.4 MB)
11. PORTAL.NLM 4.03 12 Sep 2007 3,360,480 bytes (3.2 MB)
12. NWMKDE.NLM 7.94 11 Dec 2001 3,077,337 bytes (2.9 MB)
13. JVM.NLM 1.42.09 13 Sep 2007 2,697,343 bytes (2.6 MB)
14. PKI.NLM 3.30 15 Aug 2007 2,644,117 bytes (2.5 MB)
15. LIB0.NLM 5.90.14 14 Dec 2006 2,457,946 bytes (2.3 MB)
16. CDBE.NLM 6.01 21 Sep 2006 2,435,296 bytes (2.3 MB)
17. APRLIB.NLM 0.09.12 13 Mar 2007 2,360,616 bytes (2.3 MB)
18. NDSIMON.NLM 20113.13 28 Aug 2007 2,262,445 bytes (2.2 MB)
19. NWENC103.NLM 7.90 24 Feb 2001 2,134,781 bytes (2.0 MB)
20. LIBC.NLM 9.00.05 6 Sep 2007 2,113,422 bytes (2.0 MB)






Top 20 NLM - Memory Trends
NLM Name Original Memory Current Change
=================================================================================
1. NSS.NLM 101,094,677 bytes 171,482,192 bytes 67.1 MB
2. LPROTECT.NLM 80,333,904 bytes 101,070,101 bytes 19.8 MB
3. SERVER.NLM 64,266,176 bytes 65,867,712 bytes 1.5 MB
4. DS.NLM 25,434,721 bytes 27,585,121 bytes 2.1 MB
5. CIOS.NLM 20,230,614 bytes 20,230,614 bytes 0 KB
6. APACHE2.NLM 19,756,069 bytes 19,756,069 bytes 0 KB
7. FILESYS.NLM 5,703,765 bytes 8,561,015 bytes 2.7 MB
8. FATFS.NLM 5,525,879 bytes 5,703,765 bytes 173 KB
9. MM.NLM 3,549,776 bytes 3,656,272 bytes 104 KB
10. WS2_32.NLM 3,524,412 bytes 3,524,412 bytes 0 KB
11. PORTAL.NLM 3,360,480 bytes 3,360,480 bytes 0 KB
12. NWMKDE.NLM 3,077,337 bytes 3,077,337 bytes 0 KB
13. JVM.NLM 2,775,189 bytes 2,697,343 bytes -76 KB
14. PKI.NLM 2,697,343 bytes 2,644,117 bytes -51 KB
15. LIB0.NLM 2,457,946 bytes 2,457,946 bytes 0 KB
16. CDBE.NLM 2,435,296 bytes 2,435,296 bytes 0 KB
17. APRLIB.NLM 2,360,616 bytes 2,360,616 bytes 0 KB
18. NDSIMON.NLM 2,262,445 bytes 2,262,445 bytes 0 KB
19. NWENC103.NLM 2,134,781 bytes 2,134,781 bytes 0 KB
20. LIBC.NLM 2,121,614 bytes 2,113,422 bytes -8 KB




Logical Memory Summary Information
=================================================================================

File System Cache Information
FS Cache Free : 252,063,744 bytes (240.4 MB)
FS Cache Fragmented : 2,334,720 bytes (2.2 MB)
FS Cache Largest Segment : 247,062,528 bytes (235.6 MB)

Logical System Cache Information
LS Cache Free : 476,729,344 bytes (454.6 MB)
LS Cache Fragmented : 38,707,200 bytes (36.9 MB)
LS OS Reserved Data : 333,455,360 bytes (318.0 MB)
LS Cache Largest Segment : 59,891,712 bytes (57.1 MB)
LS Cache Largest Position : B924B000

Summary Statistics
Total Address Space : 4,294,967,296 bytes (4.00 GB)
Total Free : 728,793,088 bytes (695.0 MB)
Total Fragmented : 41,041,920 bytes (39.1 MB)
Highest Physical Address : CFB4F000
User Space : 884,998,144 bytes (844.0 MB)
User Space (High Water Mark) : 297,218,048 bytes (283.4 MB)
NLM Memory (High Water Mark) : 889,262,080 bytes (848.1 MB)
Kernel Address Space In Use : 2,315,804,672 bytes (2.16 GB)
Available Kernel Address Space : 872,767,488 bytes (832.3 MB)


Memory Summary Screen (.ms)
=================================================================================

KNOWN MEMORY Bytes Pages Bytes Pages
Server: 3484272832 850652 Video: 8192 2
Dos: 75584 18 Other: 131072 32

FS CACHE KERNEL NLM MEMORY
Original: 3480039424 849619 Code: 35254272 8607
Current: 254398464 62109 Data: 19488768 4758
Dirty: 0 0 Sh Code: 45056 11
Largest seg: 247062528 60318 Sh Data: 20480 5
Non-Movable: 81920 20 Help: 139264 34
Other: 1575297024 384594 Message: 1159168 283
Avail NSS: 1430437888 349228 Alloc L!=P: 426094592 104027
Movable: 224751616 54871 Alloc L==P: 21241856 5186
Total: 503443456 122911
VM SYSTEM
Free clean VM: 907710464 221609
Free clean LP: 0 0
Free cache VM: 2072576 506
Free cache LP: 0 0
Free dirty: 0 0
In use: 0 0
Total: 909836288 222128





Memory Configuration (set parameters)
================================================================================

Auto Tune Server Memory = ON
File Cache Maximum Size = 1832910848
File Service Memory Optimization = 1
Logical Space Compression = 1
Garbage Collection Interval (ON) = 299.9 seconds
VM Garbage Collector Period (ON) = 300.0 seconds
server -u<number> = 884998144



NSS Configuration File:
C:\NWSERVER\NSSSTART.CFG
------------------------------
File does not exist,
or is zero byte in size.



DS Configuration File:
SYS:\_NETWARE\_NDSDB.INI
------------------------------
File does not exist,
or is zero byte in size.




TSAFS Memory Information/Configuration
================================================================================

Cache Memory Threshold : 10%
Read Buffer Size : 65536 bytes
Max Data Sets for Read Ahead : 2
Read Threads Per Job : 4




NSS Memory Information/Configuration
================================================================================

Current NSS Memory Settings
-------------------------------------------
Cache Balance Percentage : 85%
Cache Memory Allocated : 1.33 GB
Available Cache from NSS : 1.33 GB


Current NSS Caching Percentages
-------------------------------------------
Buffer cache hit percentage : 84%
Name Tree cache hit percentage : 97%
File cache hit percentage : 99%

NSS Flush Status: Formula not met
NSS Size + Free FS Cache < FSAS Size
NSS Size = 1433223168
Free FS Cache = 254398464
FSAS Size = 1826525184
FCMS > 1.02 GB (0x41000000)
FCMS = 6D400000




Server High/Low Water Mark Values
================================================================================

NLM Memory High Water Mark = 889,262,080 bytes
File System High Water Mark = 496,224 bytes

User Space Information:
User Space High Water Mark = 297,218,048 bytes
Committed Pages High Water Mark = 13 pages
Mapped VM Pages High Water Mark = 2,894 pages
Reserved Pages High Water Mark = 202,577 pages
Swapped Pages High Water Mark = 518 pages

Available Low Water Mark = 791,486,464
ESM Memory High Water Mark = 163 pages
Andrew Pushkarev
 
Сообщения: 94
Зарегистрирован: 04 сен 2002, 16:08

Re: Lowest Kernel Page.

Сообщение Andrew Pushkarev » 13 май 2013, 14:52

Усатновил File Cache Maximum Size = 1073741824. Было - 1832910848.
Разница перешла в Available Kernel Address Space.
Вопрос пока закрываю.
Andrew Pushkarev
 
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Зарегистрирован: 04 сен 2002, 16:08


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