Does on particular process go away or stay?  E.g. if you install just one,
does it hang?



From:   Andrew Klaassen <[email protected]>
To:     xCAT Users Mailing list <[email protected]>
Date:   09/14/2011 10:34 AM
Subject:        Re: [xcat-user] rinstall memory usage



And here's a snippet of "top" with CODE and DATA columns added:

top - 05:28:16 up 7 days, 19:30,  3 users,  load average: 130.34, 129.60,
124.82
Tasks: 246 total,   1 running, 245 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.2%us,  2.2%sy,  0.0%ni,  0.0%id, 97.1%wa,  0.0%hi,  0.5%si,
0.0%st
Mem:   2055108k total,  2001760k used,    53348k free,      752k buffers
Swap:  2064376k total,  2061904k used,     2472k free,    11408k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  CODE DATA
COMMAND
 8691 root      20   0  222m  41m   68 D  0.1  2.1   0:00.07    4  94m perl
 8696 root      20   0  222m  41m   68 D  0.0  2.1   0:00.06    4  94m perl
 8680 root      20   0  222m  41m   68 D  0.0  2.1   0:00.08    4  94m perl
 8704 root      20   0  222m  41m   68 D  0.0  2.1   0:00.05    4  94m perl
 8655 root      20   0  222m  41m  176 D  0.0  2.0   0:00.19    4  94m perl
 8670 root      20   0  222m  40m   68 D  0.0  2.0   0:00.06    4  94m perl
 8663 root      20   0  222m  40m   72 D  0.0  2.0   0:00.11    4  94m perl
.....etc.....


Andrew


--- On Wed, 9/14/11, Andrew Klaassen <[email protected]> wrote:

> From: Andrew Klaassen <[email protected]>
> Subject: Re: [xcat-user] rinstall memory usage
> To: "xCAT Users Mailing list" <[email protected]>
> Received: Wednesday, September 14, 2011, 7:22 AM
> Here's a snippet of regular "top"
> output, sorted by memory usage:
>
> top - 05:19:13 up 7 days, 19:21,  4 users,  load
> average: 129.56, 129.03, 121.31
> Tasks: 249 total,   1 running, 248
> sleeping,   0 stopped,   0
> zombie
> Cpu(s):  0.5%us, 11.3%sy,  0.0%ni,  0.0%id,
> 87.0%wa,  0.0%hi,  1.2%si,  0.0%st
> Mem:   2055108k total,  1988664k
> used,    66444k free,
>    80k buffers
> Swap:  2064376k total,  2064148k used,
>     228k free,     7400k
> cached
>
>   PID USER      PR  NI
> VIRT  RES  SHR S %CPU %MEM
> TIME+  COMMAND
>  8573 root      20   0
> 222m  42m   72 D  0.1
> 2.1   0:00.16 perl
>  8579 root      20   0
> 222m  42m   68 D  0.1
> 2.1   0:00.10 perl
>  8610 root      20   0
> 222m  42m   68 D  0.1
> 2.1   0:00.05 perl
>  8615 root      20   0
> 222m  42m   68 D  0.1
> 2.1   0:00.04 perl
>  8616 root      20   0
> 222m  42m   68 D  0.2
> 2.1   0:00.08 perl
>  8606 root      20   0
> 222m  42m   68 D  0.1
> 2.1   0:00.06 perl
>  8597 root      20   0
> 222m  42m   68 D  0.1
> 2.1   0:00.07 perl
> ...etc...
>
> Andrew
>
>
>
>
>
> --- On Wed, 9/14/11, Andrew Klaassen <[email protected]>
> wrote:
>
> > From: Andrew Klaassen <[email protected]>
> > Subject: Re: [xcat-user] rinstall memory usage
> > To: "xCAT Users Mailing list" <[email protected]>
> > Received: Wednesday, September 14, 2011, 6:59 AM
> > --- On Tue, 9/13/11, Jarrod Johnson
> > <[email protected]>
> > wrote:
> >
> > > Might want ps axf output.  If they are console
> > backends, something
> > > is not right because perl shouldn't be long-lived
> (it
> > should nowadays
> > > be either sleep or ipmitool or ssh depending,
> with
> > perl being their
> > > for only a few milliseconds before not being
> perl
> > anymore)).
> > >
> > > If it is xcatd, the memory usage in top is
> misleading,
> > but you still
> > > shouldn't have a lot of xcatd all at once
> normally.
> > > top -b -n 1 might also be interesting.
> >
> > The culprit appears to be getcredentials in the
> > postscripts.  The server ps axf has these:
> >
> >  7177 ?        Ds
> >    0:00 xcatd: SSL listener
> >  8032 ?        D
> > 0:00  \_ xCATd SSL: getcredentials for r063
> >  8034 ?        D
> > 0:00  \_ xCATd SSL: getcredentials for r065
> >  8037 ?        D
> > 0:00  \_ xCATd SSL: getcredentials for r051
> >  8067 ?        D
> > 0:00  |   \_ xCATd SSL: getcredentials
> > for r051
> >  8038 ?        D
> > 0:00  \_ xCATd SSL: getcredentials for r081
> >  8064 ?        D
> > 0:00  |   \_ xCATd SSL: getcredentials
> > for r081
> >  8058 ?        D
> > 0:00  \_ xCATd SSL: getcredentials for r096
> >  8065 ?        D
> > 0:00  |   \_ xCATd SSL: getcredentials
> > for r096
> > .......etc.......
> >
> > and these:
> >
> >  7946 ?        D
> > 0:00 xCATd SSL: getpostscript for r070
> >  7966 ?        D
> > 0:00 xCATd SSL: getcredentials for r061
> >  7968 ?        D
> > 0:00 xCATd SSL: getcredentials for r057
> >  7984 ?        D
> > 0:00 xCATd SSL: getpostscript for r063
> >  7995 ?        D
> > 0:00 xCATd SSL: getcredentials for r068
> > .......etc.......
> >
> > The top -b -n 1 output has a bunch of these:
> >
> >  8208 root      20   0
> > 228m  43m   68 D  0.0
> > 2.1   0:00.16 perl
> >  8209 root      20   0
> > 228m  39m   56 D  0.0
> > 1.9   0:00.14 perl
> >  8220 root      20   0
> > 228m  23m    0 D  0.0
> > 1.1   0:00.07 perl
> >  8259 root      20   0
> > 222m  25m  200 D  0.0
> > 1.3   0:00.03 perl
> >  8260 root      20   0
> > 222m  25m    4 D  0.0
> > 1.3   0:00.03 perl
> >  8261 root      20   0
> > 222m  25m    4 D  0.0
> > 1.3   0:00.03 perl
> >
> > Here's a snippet of ps axflwww from a few minutes
> later
> > (load average now 128):
> >
> > F   UID   PID  PPID
> > PRI  NI    VSZ   RSS
> > WCHAN  STAT TTY        TIME
> > COMMAND
> > 1     0  7177
> >    1  20   0 228024 18092
> > hrtime Ss   ?
> >   0:00 xcatd: SSL listener
> > 1     0  8265  7177
> > 20   0 228024 42564 get_re D
> > ?          0:00  \_ xcatd: SSL
> > listener
> > 1     0  8266  7177
> > 20   0 228072 41716 get_re D
> > ?          0:00  \_ xcatd: SSL
> > listener
> > 1     0  8267  7177
> > 20   0 228072 39388 get_re D
> > ?          0:00  \_ xcatd: SSL
> > listener
> > 1     0  8268  7177
> > 20   0 228024 45004 get_re D
> > ?          0:00  \_ xcatd: SSL
> > listener
> > .......etc.......
> > 1     0  7946
> >    1  20   0 232308
> > 9536 conges D    ?
> >   0:00 xCATd SSL: getpostscript for r070
> > 1     0  7966
> >    1  20   0 232512
> > 8212 get_re D    ?
> >   0:00 xCATd SSL: getcredentials for r061
> > 1     0  7968
> >    1  20   0 231804 10048
> > conges D    ?
> > 0:00 xCATd SSL: getcredentials for r057
> > 1     0  7984
> >    1  20   0 233276 15228
> > sync_p D    ?
> > 0:00 xCATd SSL: getpostscript for r063
> > 1     0  7995
> >    1  20   0 232772
> > 9672 sync_p D    ?
> >   0:00 xCATd SSL: getcredentials for r068
> > 1     0  7996
> >    1  20   0 232772
> > 5368 sync_p D    ?
> >   0:00 xCATd SSL: getcredentials for r057
> > .......etc.......
> >
> > I've attached the full output of each (partial output
> for
> > ps axf, since it's still hung after ten minutes or
> > so).  Apologies for the DOS line-endings.
> >
> > Andrew
> > -----Inline Attachment Follows-----
> >
> >
>
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>
>
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