More Info: Possible memory leak.

From: Chris Bryant <cbryant_at_dollar.com>
Date: Tue, 12 Mar 2002 13:08:24 -0600

Here is the output of /sbin/sysconfig -q vm and vmstat 2 10
 
ubc-minpercent = 1

ubc-maxpercent = 2

ubc-borrowpercent = 20

ubc-maxdirtywrites = 5

vm-max-wrpgio-kluster = 32768

vm-max-rdpgio-kluster = 16384

vm-cowfaults = 4

vm-mapentries = 400

vm-maxvas = 8589934592

vm-maxwire = 16777216

vm-heappercent = 7

vm-vpagemax = 16384

vm-segmentation = 1

vm-ubcpagesteal = 24

vm-ubcdirtypercent = 10

vm-ubcseqstartpercent = 50

vm-ubcseqpercent = 10

vm-csubmapsize = 1048576

vm-ubcbuffers = 256

vm-syncswapbuffers = 128

vm-asyncswapbuffers = 4

vm-clustermap = 1048576

vm-clustersize = 65536

vm-zone_size = 0

vm-kentry_zone_size = 16777216

vm-syswiredpercent = 80

vm-inswappedmin = 1

vm-page-free-target = 128

vm-page-free-swap = 74

vm-page-free-hardswap = 2048

vm-page-free-min = 20

vm-page-free-reserved = 10

vm-page-free-optimal = 74

vm-page-prewrite-target = 256

dump-user-pte-pages = 0

kernel-stack-guard-pages = 1

vm-min-kernel-address = 18446744065119617024

malloc-percpu-cache = 1

vm-aggressive-swap = 0

vm_page_color_private = 0

vm-map-index-count = 64

vm-map-index-rebalance = 128

vm-map-index-enabled = 1

vm-map-index-hiwat = 4

vm-map-index-lowat = 2

new-wire-method = 1

vm-segment-cache-max = 50

vm-page-lock-count = 64

gh-chunks = 0

gh-min-seg-size = 8388608

gh-fail-if-no-mem = 1

private-text = 0

private-cache-percent = 0

 
Virtual Memory Statistics: (pagesize = 8192)

procs memory pages intr cpu

r w u act free wire fault cow zero react pin pout in sy cs us sy id

12 452 39 770K 114K 144K 39M 5M 15M 327 6M 0 228 4K 2K 9 5 86

12 452 39 770K 113K 144K 783 13 747 0 12 0 33 6K 737 7 2 91

12 452 39 770K 113K 144K 258 0 257 0 0 0 19 7K 637 8 1 90

11 452 40 770K 113K 144K 258 0 257 0 0 0 19 7K 636 9 2 90

11 453 40 770K 113K 144K 723 75 363 0 128 0 119 17K 1K 9 3 88

12 454 39 771K 113K 144K 1192 73 406 0 174 0 61 6K 796 8 2 90

12 454 39 771K 113K 144K 284 0 259 0 0 0 35 6K 684 8 1 90

12 449 40 771K 113K 144K 285 0 259 0 1 0 838 15K 7K 11 5 84

13 449 39 771K 113K 144K 263 0 259 0 0 0 1K 11K 10K 11 6 84

12 453 40 771K 113K 144K 1508 208 628 0 399 0 359 9K 2K 10 4 86

Chris Bryant
Unix Administrator
Dollar Rent A Car
(918) 669-3213

-----Original Message-----
From: Chris Bryant [mailto:cbryant_at_dollar.com]
Sent: Tuesday, March 12, 2002 12:32 PM
To: Tru64 Unix (E-mail)
Subject: Possible memory leak.



Admins,

        We have a Alpha 8400 running 4.0F pk #7 with oracle 8.1.7 database
that seems to be consuming memory at an alarming rate. Below is a the
output of vmstat -P command to illistrate what I am talking about. Any
ideas?

TIA,

Chris Bryant
Unix Administrator
Dollar Rent A Car
(918) 669-3213





Total Physical Memory = 8192.00 M
                      = 1048576 pages


Physical Memory Clusters:

 start_pfn end_pfn type size_pages / size_bytes
         0 256 pal 256 / 2.00M
       256 1048492 os 1048236 / 8189.34M
   1048492 1048576 pal 84 / 672.00k

Physical Memory Use:

 start_pfn end_pfn type size_pages / size_bytes
       256 271 unixtable 15 / 120.00k
       271 284 scavenge 13 / 104.00k
       284 691 text 407 / 3.18M
       691 774 data 83 / 664.00k
       774 909 bss 135 / 1.05M
       909 914 cfgmgmt 5 / 40.00k
       914 915 locks 1 / 8.00k
       915 2748 unixtable 1833 / 14.32M
      2748 2761 pmap 13 / 104.00k
      2761 19355 vmtables 16594 / 129.64M
     19355 1048492 managed 1029137 / 8040.13M
                             ============================
         Total Physical Memory Use: 1048236 / 8189.34M

Managed Pages Break Down:

       free pages = 113047
     active pages = 367729
   inactive pages = 382648
      wired pages = 145065
        ubc pages = 20889
        ==================
            Total = 1029378

WIRED Pages Break Down:

   vm wired pages = 5945
  ubc wired pages = 74501
  meta data pages = 31447
     malloc pages = 29013
     contig pages = 138
    user ptepages = 3592
  kernel ptepages = 243
    free ptepages = 7
        ==================
            Total = 144886
Received on Tue Mar 12 2002 - 19:30:13 NZDT

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