raise ulimit?

maillist maillist at piirakka.com
Wed May 25 15:39:09 UTC 2005


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- From "man bash":

       ulimit [-SHacdfmstpnuv [limit]]
              Ulimit  provides  control over the resources avail-
              able to the shell and to processes started  by  it,
              on  systems  that allow such control.  The value of
              limit can be a number in the unit specified for the
              resource,  or  the  value  unlimited.   The H and S
              options specify that the hard or soft limit is  set
              for  the  given  resource.   A hard limit cannot be
              increased once it is  set;  a  soft  limit  may  be
              increased  up  to  the value of the hard limit.  If
              neither H nor S is specified, the  command  applies
              to  the  soft limit.  If limit is omitted, the cur-
              rent value of the soft limit  of  the  resource  is
              printed,  unless  the H option is given.  When more
              than one resource is specified, the limit name  and
              unit  is  printed  before the value.  Other options
              are interpreted as follows:
              -a     all current limits are reported
              -c     the maximum size of core files created
              -d     the maximum size of a process's data segment
              -f     the  maximum  size  of  files created by the
                     shell
              -m     the maximum resident set size
              -s     the maximum stack size
              -t     the maximum amount of cpu time in seconds
              -p     the pipe size in 512-byte blocks  (this  may
                     not be set)
              -n     the  maximum number of open file descriptors
                     (most systems do not allow this value to  be
                     set, only displayed)
              -u     the maximum number of processes available to
                     a single user
              -v     The maximum amount of virtual memory  avail-
                     able to the shell

              An  argument of -- disables option checking for the
              rest of the arguments.  If limit is  given,  it  is
              the  new  value  of  the specified resource (the -a
              option is display only).  If no  option  is  given,
              then -f is assumed.  Values are in 1024-byte incre-
              ments, except for -t,  which  is  in  seconds,  -p,
              which  is  in  units of 512-byte blocks, and -n and
              -u, which are unscaled values.  The  return  status
              is  0  unless  an  illegal option is encountered, a
              non-numeric argument other than unlimited  is  sup-
              plied  as limit, or an error occurs while setting a
              new limit.You need to raise open file descriptors...Markus
- ----- Original Message -----
From: <alexyz at uol.com.br>
To: <or-talk at freehaven.net>
Sent: Wednesday, May 25, 2005 6:08 PM
Subject: raise ulimit?


This is an interesting warning message:

[warn] connection_add(): Failing because we have 991 connections already.
Please raise
your ulimit -n.

Got several of them and don´t know what to do. I am not using bandwidth
limiting, if that´s
what it is refering to.

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