I have one of my NW 6.5 SP8 servers that seems to loose available cache buffers over time.. I listed a segstats below... monitor on the server shows about 21% of the origional cache buffers available.. most of my other servers show about 50 %.. any ideas ??
Thanks in advance
Doug

*** Memory Pool Configuration for : HS_STORAGE
Time and date : 05:53:43 PM 04/20/2012
Server version : NetWare 6.5 Support Pack 8
Server uptime : 15d 00h 15m 21s
SEG.NLM uptime : 0d 00h 00m 23s
SEG.NLM version : v2.00.17

Original Memory : 4,093,218,816 bytes (3.81 GB)
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 : 683,339,776 bytes (651.7 MB) |
| PM Pages In Use : 13,287,424 bytes (12.7 MB) |
| |
0xC0800000 --------------------------------------------------------------
| Virtual Memory Address Space (L!=P) |
| |
| VM Address Space : 2,155,872,256 bytes (2.01 GB) |
| Available : 1,941,868,544 bytes (1.81 GB) |
| Total VM Pages : 1,925,238,784 bytes (1.79 GB) |
| Free Clean VM : 1,798,852,608 bytes (1.68 GB) |
| Free Cache VM : 126,386,176 bytes (120.5 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 : 1,037,795,328 bytes (989.7 MB) |
| NLM/VM Memory : 1,022,373,888 bytes (975.0 MB) |
| Largest Segment : 3,620,864 bytes (3.5 MB) |
| Lowest Kernel Page: 1,073,741,824 bytes (1024.0 MB) |
| : [0x40000000] |
| High Water Mark : 1,124,216,832 bytes (1.05 GB) |
| Alloc Failures : 0 |
| |
0x40000000 --------------------------------------------------------------
| File System Address Space (L==P or L!=P) |
| |
| FS Address Space : 1,067,343,872 bytes (1017.9 MB) |
| Available : 141,336,576 bytes (134.8 MB) |
| Largest Segment : 3,862,528 bytes (3.7 MB) |
| |
| NSS Memory (85%) : 797,048,832 bytes (760.1 MB) |
| NSS (avail cache) : 757,350,400 bytes (722.3 MB) |
| |
0x0061A000 --------------------------------------------------------------
| DOS / SERVER.NLM |
| |
| Size : 6,397,952 bytes (6.1 MB) |
| |
0x00000000 --------------------------------------------------------------


Total NLMs loaded on the server: 296



Top 20 Memory Consuming NLMs
NLM Name Version Date Total NLM Memory
================================================== ===============================
1. DS.NLM 10554.64 Oct 10, 2009 322,548,286 bytes (307.6 MB)
2. NSS.NLM 3.27.03 Jun 7, 2010 209,132,624 bytes (199.4 MB)
3. SERVER.NLM 5.70.08 Oct 3, 2008 106,858,144 bytes (101.9 MB)
4. WSPDSI.NLM 6.21.01 Oct 25, 2005 105,330,040 bytes (100.5 MB)
5. NWMKDE.NLM 7.94 Dec 11, 2001 69,129,433 bytes (65.9 MB)
6. AFPTCP.NLM 2.09.01 Jun 7, 2010 41,368,301 bytes (39.5 MB)
7. NAMED.NLM 6.07.09 Jun 29, 2010 16,771,511 bytes (16.0 MB)
8. WS2_32.NLM 6.24.01 Feb 14, 2008 13,191,852 bytes (12.6 MB)
9. CONNMGR.NLM 5.60.01 Sep 7, 2006 10,646,547 bytes (10.2 MB)
10. OWCIMOMD.NLM 3.02 Nov 27, 2007 9,322,712 bytes (8.9 MB)
11. APRLIB.NLM 0.09.17 Apr 25, 2008 7,902,992 bytes (7.5 MB)
12. APACHE2.NLM 2.00.63 Apr 25, 2008 7,718,853 bytes (7.4 MB)
13. APACHE2.NLM 2.00.63 Apr 25, 2008 7,710,661 bytes (7.4 MB)
14. FATFS.NLM 1.24 Aug 27, 2007 5,699,669 bytes (5.4 MB)
15. PKI.NLM 3.32 Aug 25, 2008 4,069,957 bytes (3.9 MB)
16. PORTAL.NLM 4.03 Sep 22, 2008 3,375,904 bytes (3.2 MB)
17. CIOS.NLM 1.60 Feb 12, 2008 3,000,159 bytes (2.9 MB)
18. NCPIP.NLM 6.02.01 Sep 30, 2008 2,870,825 bytes (2.7 MB)
19. JVM.NLM 1.43 Oct 16, 2008 2,697,823 bytes (2.6 MB)
20. THREADS.NLM 5.90.15 Mar 10, 2008 2,679,704 bytes (2.6 MB)






Top 20 NLM - Memory Trends
NLM Name Original Memory Current Change
================================================== ===============================
1. DS.NLM 325,812,798 bytes 322,548,286 bytes -3.1 MB
2. NSS.NLM 209,132,624 bytes 209,132,624 bytes 0 KB
3. SERVER.NLM 106,784,416 bytes 106,858,144 bytes 72 KB
4. WSPDSI.NLM 105,330,040 bytes 105,330,040 bytes 0 KB
5. NWMKDE.NLM 69,129,433 bytes 69,129,433 bytes 0 KB
6. AFPTCP.NLM 41,437,933 bytes 41,368,301 bytes -68 KB
7. NAMED.NLM 16,771,511 bytes 16,771,511 bytes 0 KB
8. WS2_32.NLM 13,191,852 bytes 13,191,852 bytes 0 KB
9. CONNMGR.NLM 10,646,547 bytes 10,646,547 bytes 0 KB
10. OWCIMOMD.NLM 9,322,712 bytes 9,322,712 bytes 0 KB
11. APRLIB.NLM 7,902,992 bytes 7,902,992 bytes 0 KB
12. APACHE2.NLM 7,718,853 bytes 7,718,853 bytes 0 KB
13. APACHE2.NLM 7,710,661 bytes 7,710,661 bytes 0 KB
14. FATFS.NLM 5,699,669 bytes 5,699,669 bytes 0 KB
15. PKI.NLM 4,069,957 bytes 4,069,957 bytes 0 KB
16. PORTAL.NLM 3,375,904 bytes 3,375,904 bytes 0 KB
17. CIOS.NLM 3,000,159 bytes 3,000,159 bytes 0 KB
18. NCPIP.NLM 2,870,825 bytes 2,870,825 bytes 0 KB
19. JVM.NLM 2,697,823 bytes 2,697,823 bytes 0 KB
20. THREADS.NLM 2,679,704 bytes 2,679,704 bytes 0 KB




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

File System Cache Information
FS Cache Free : 5,074,944 bytes (4.8 MB)
FS Cache Fragmented : 136,261,632 bytes (129.9 MB)
FS Cache Largest Segment : 3,862,528 bytes (3.7 MB)

Logical System Cache Information
LS Cache Free : 23,646,208 bytes (22.6 MB)
LS Cache Fragmented : 933,875,712 bytes (890.6 MB)
LS OS Reserved Data : 333,455,360 bytes (318.0 MB)
LS Cache Largest Segment : 3,620,864 bytes (3.5 MB)
LS Cache Largest Position : 6E405000

Summary Statistics
Total Address Space : 4,294,967,296 bytes (4.00 GB)
Total Free : 28,721,152 bytes (27.4 MB)
Total Fragmented : 1,070,137,344 bytes (1020.6 MB)
Highest Physical Address : F3FF9000
User Space : 884,998,144 bytes (844.0 MB)
User Space (High Water Mark) : 683,339,776 bytes (651.7 MB)
NLM Memory (High Water Mark) : 1,124,216,832 bytes (1.05 GB)
Kernel Address Space In Use : 2,005,549,056 bytes (1.87 GB)
Available Kernel Address Space : 153,927,680 bytes (146.8 MB)


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

KNOWN MEMORY Bytes Pages Bytes Pages
Server: 4093006384 999269 Video: 8192 2
Dos: 213456 52 Other: 131072 32

FS CACHE KERNEL NLM MEMORY
Original: 4088754176 998231 Code: 46780416 11421
Current: 141336576 34506 Data: 24383488 5953
Dirty: 0 0 Sh Code: 36864 9
Largest seg: 3862528 943 Sh Data: 20480 5
Non-Movable: 16384 4 Help: 196608 48
Other: 269324288 65753 Message: 1196032 292
Avail NSS: 757350400 184900 Alloc L!=P: 944603136 230616
Movable: 8192 2 Alloc L==P: 5156864 1259
Total: 1022373888 249603
VM SYSTEM
Free clean VM: 1798852608 439173
Free clean LP: 0 0
Free cache VM: 126386176 30856
Free cache LP: 0 0
Free dirty: 0 0
In use: 13287424 3244
Total: 1941868544 474089





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

Auto Tune Server Memory = ON
File Cache Maximum Size = 1073741824
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 : 1%
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 : 760.1 MB
Available Cache from NSS : 722.3 MB


Current NSS Caching Percentages
-------------------------------------------
Buffer cache hit percentage : 90%
Name Tree cache hit percentage : 97%
File cache hit percentage : 98%

NSS Flush Status: Not Flushed




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

NLM Memory High Water Mark = 1,124,216,832 bytes
File System High Water Mark = 451,779 bytes

User Space Information:
User Space High Water Mark = 683,339,776 bytes
Committed Pages High Water Mark = 87 pages
Mapped VM Pages High Water Mark = 34,251 pages
Reserved Pages High Water Mark = 692,324 pages
Swapped Pages High Water Mark = 33,196 pages

Available Low Water Mark = 1,222,111,232
ESM Memory High Water Mark = 0 pages