[c-nsp] 3825 memory issue

Tseveendorj tseveendorj at gmail.com
Wed Jun 17 00:36:10 EDT 2009


PPP IP Route process eating a lot of memory and It is keep eating up 
hour by hour.

border-r#sh processes memory sorted holding
Processor Pool Total:  143619888 Used:  120966360 Free:   22653528
      I/O Pool Total:   36699648 Used:   10651088 Free:   26048560

 PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
 104   0  113301400    6272240   97988856          0          0 PPP IP Route
   0   0   45088716   14947936   24508036          0          0 *Init*
   0   0   11410388   12182232    1503712     256604          0 *Dead*
   1   0   16854608   15701280    1160388          0          0 Chunk 
Manager


Any clue get out of memory related thing with configuration ?
Other way I have to upgrade RAM.

Sincerely,
Tseveen.



uugnaa wrote:
> Hello,
>
> *Dead* is nothing but processes as a group that are now dead.
>
>
> "Holding" is Amount of memory currently allocated to the process.
>
> "Allocated" is Bytes of memory allocated by the process.
>
> "Freed" is Bytes of memory freed by the process, regardless of who originally allocated it.
>
> Please try on following command, you may get glue
> #show memory dead 
> #show memory debug unused
> #show memory
> #show processes
>
>
> --- On Wed, 6/17/09, Tseveendorj <tseveendorj at gmail.com> wrote:
>
> From: Tseveendorj <tseveendorj at gmail.com>
> Subject: [c-nsp] 3825 memory issue
> To: cisco-nsp at puck.nether.net
> Date: Wednesday, June 17, 2009, 6:12 AM
>
> Hello,
>
> I'm using 3825 router to provide internet for ADSL customers. Last week I configured policy-map to provide different bandwidth usage. Since this time my routers memory usage goes up.
>
> border-r#sh processes memory sorted allocated
> Processor Pool Total:  143619888 Used:  118621160 Free:   24998728
>      I/O Pool Total:   36699648 Used:   10651088 Free:   26048560
>
> PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
>   0   0 4186877216 4187728860    1501456     256604          0 *Dead*
> 104   0  110901912    6213036   95681064          0          0 PPP IP Route
> 224   0   79114360   79153804       8752          0          0 crypto sw pk pro
>   0   0   45088716   14947936   24508036          0          0 *Init*
> 219   0   26739468   26964080      13060          0          0 SNMP ENGINE
> 217   0   17194704   16959140      24012          0          0 IP SNMP
>   1   0   16815572   15676464    1146168          0          0 Chunk Manager
> 225   0   12566668   12602840     170956          0          0 VTEMPLATE Backgr
> 213   0    5154176   13760992      38104          0          0 PPP Events
>  18   0    4428420    4428088       7392          0          0 ARP Background
> 210   0    3901896    1455596     422460          0          0 PPPoE Discovery
>  88   0    3291920    3138964      82928          0          0 IP Input
> 109   0    2823624          0      13060          0          0 TCP Protocols
> 209   0    1489464     320004     606848          0          0 PPPoE Background
>  83   0    1131888          0       7060          0          0 AAA ACCT Proc
> 222   0     969124    4249452      67108          0          0 RADIUS
>  82   0     953112        252      13664          0          0 AAA Server
> 207   0     750732       4252     775844          0          0 L2TP mgmt daemon
>  59   0     648724       1328     629396          0          0 USB Startup
> PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
>  95   0     439864     305652     243420          0          0 SSS Manager
>  77 578     413692     401112      24988          0          0 Virtual Exec
> 178   0     350580    1918340       7060          0          0 AAA SEND STOP EV
>  25   0     263208          0     272656     113400          0 EEM ED Syslog
> 198   0     250300     250300      13060          0          0 Syslog
> 167   0     247992          0     255052          0          0 QOS_MODULE_MAIN
> 188   0     119396       7344     125844          0          0 EEM Server
> 122   0     108244        252     115052          0          0 SCTP Main Proces
> 120   0     104664        252     103352          0          0 DHCPD Receive
>  93   0      98112        504      13060          0          0 PPP Hooks
> 106   0      73808          0      73808          0          0 CEF process
> 142   0      73236        252      72648          0          0 FLEX DSPRM MAIN
>  17   0      72948      32844      47164          0          0 ARP Input
>  24   0      72748          0      79808          0          0 Entity MIB API
>  40   0      67568       4424       7060          0          0 TTY Background
> 103   0      66736          0      76796          0          0 IP RIB Update
>   4   0      65588          0      90648          0          0 EDDRI_MAIN
> 152   0      59568      73276       7060          0          0 LOCAL AAA
>  54   0      57904        252      64712          0          0 VNM DSPRM MAIN
> 206   0      56660          0      15868          0          0 SSH Event handle
>  84   0      49384          0      56444          0          0 ACCT Periodic Pr
> 226   0      47236      16108      16152          0          0 BGP Router
>
> I have several questions.
>
> 1. What is *Dead* process ? it takes many memory why ?
> 2. Is there any unknown process working ?
> 3. How do I decrease memory usage ?
> 4. What is column of memory real usage ?
>
> Sincerely,
> Tseveen.
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