Package: munin-node
Version: 1.999.4603-1
Severity: normal

This is for munin* from experimental on Squeeze.

My system runs under quite a heavy load for most of the day and has lots of
partitions. This results in the diskstats plugin taking lots of time to run.

When munin starts writing the rrd data out, munin-node times out its connection
resulting in no further graphs being drawn for that host. The timeout is the
default 5 seconds. Adding "timeout 30" to munin-node-conf has no effect.
Telneting to munin-node fconfirms the timeout remains 5 seconds.

Running munin-update manaully results in the following trimmed output:

munin@vimes:~$ /usr/share/munin/munin-update --nofork --debug --host vimes

2012/03/14 10:31:46 [FETCH from diskstats] Storing 1.75900444444444 in avgwrrqsz
".
2012/03/14 10:31:52 [FATAL] Socket read from vimes.amazing-internet.net failed. 
 Terminating process. at /usr/share/perl5/Munin/Master/UpdateWorker.pm line 391
2012/03/14 10:31:52 [ERROR] Error in node communication with 
vimes.amazing-internet.net/172.16.1.19:4949: [FATAL] Socket read from 
vimes.amazing-internet.net failed.  Terminating process. at 
/usr/share/perl5/Munin/Master/UpdateWorker.pm line 391
2012/03/14 10:31:52 [WARNING] Failed worker 
amazing-internet.net;vimes.amazing-internet.net

In the end I worked around this by figuring out how to use rrdcached which
prevents the 5 second timeout being hit.

Let me know if you need any further information.

Ronny


-- System Information:
Debian Release: 6.0.4
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages munin-node depends on:
ii  adduser                3.112+nmu2        add and remove users and groups
ii  gawk                   1:3.1.7.dfsg-5    GNU awk, a pattern scanning and pr
ii  libnet-server-perl     0.97-1            An extensible, general perl server
ii  lsb-base               3.2-23.2squeeze1  Linux Standard Base 3.2 init scrip
ii  munin-common           1.999.4603-1      network-wide graphing framework (c
ii  munin-plugins-core [mu 1.999.4603-1      network-wide graphing framework (p
ii  perl                   5.10.1-17squeeze3 Larry Wall's Practical Extraction 
ii  procps                 1:3.2.8-9         /proc file system utilities

Versions of packages munin-node recommends:
ii  libnet-snmp-perl            5.2.0-4      Script SNMP connections
ii  munin-plugins-core          1.999.4603-1 network-wide graphing framework (p

Versions of packages munin-node suggests:
pn  acpi | lm-sensors       <none>           (no description available)
pn  ethtool                 <none>           (no description available)
pn  hdparm                  <none>           (no description available)
pn  libcache-cache-perl     <none>           (no description available)
ii  libcrypt-ssleay-perl    0.57-2           Support for https protocol in LWP
ii  libdbd-mysql-perl       4.016-1          Perl5 database interface to the My
pn  libdbd-pg-perl          <none>           (no description available)
pn  liblwp-useragent-determ <none>           (no description available)
pn  libnet-irc-perl         <none>           (no description available)
pn  libtext-csv-xs-perl     <none>           (no description available)
ii  libwww-perl             5.836-1          Perl HTTP/WWW client/server librar
ii  libxml-simple-perl      2.18-3           Perl module for reading and writin
pn  logtail                 <none>           (no description available)
ii  munin                   1.999.4603-1     network-wide graphing framework (g
pn  munin-async             <none>           (no description available)
pn  munin-java-plugins      <none>           (no description available)
ii  munin-plugins-extra     1.4.6-1~bpo60+1  network-wide graphing framework (u
ii  mysql-client            5.1.49-3         MySQL database client (metapackage
ii  mysql-client-5.1 [mysql 5.1.49-3         MySQL database client binaries
ii  net-tools               1.60-23          The NET-3 networking toolkit
ii  python                  2.6.6-3+squeeze6 interactive high-level object-orie
pn  ruby                    <none>           (no description available)
ii  smartmontools           5.39.1+svn3124-2 control and monitor storage system

-- Configuration Files:
/etc/munin/munin-node.conf changed:
log_level 4
log_file /var/log/munin/munin-node.log
pid_file /var/run/munin/munin-node.pid
timeout 30
background 1
setsid 1
user root
group root
ignore_file [\#~]$
ignore_file DEADJOE$ 
ignore_file \.bak$
ignore_file %$
ignore_file \.dpkg-(tmp|new|old|dist)$
ignore_file \.rpm(save|new)$
ignore_file \.pod$
cidr_allow 127.0.0.1/32
cidr_allow 172.16.1.19/32
cidr_allow 172.16.1.20/32
host *
port 4949


-- no debconf information



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