Running with rrdcached

Steve Shipway <[email protected]> Mon, 18 Oct 2010 04:12:23 +0000
Newsgroups gmane.network.mrtg.devel
Message-ID <28E447343A85354483BCF7C3E9D5EAA5149A200A@uxcn10-1.UoA.auckland.ac.nz>
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I've been running MRTG with rrdcached, and just had rrdcached lock up (out =
of memory - seems to have a memory leak somewhere).  This causes MRTG (in d=
aemon mode) to fail all updates.

Fine; I restart rrdcached and expect it all to work - but it doesn't.  Seem=
s that once MRTG has failed to connect to rrdcached once, it never tries ag=
ain until you restart.

Should MRTG die when a remote update fails?  Or should it re-attempt connec=
tion to rrdcached?  If so, I'm not sure how, as the RRDs Perl module seems =
to be the bit to blame for this.

Thoughts?

Steve

________________________________
Steve Shipway
ITS Unix Services Design Lead
University of Auckland, New Zealand
Floor 1, 58 Symonds Street, Auckland
Phone: +64 (0)9 3737599 ext 86487
DDI: +64 (0)9 924 6487
Mobile: +64 (0)21 753 189
Email: [email protected]<mailto:[email protected]>
P Please consider the environment before printing this e-mail



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<div class=3DWordSection1>

<p class=3DMsoNormal>I&#8217;ve been running MRTG with rrdcached, and just =
had
rrdcached lock up (out of memory &#8211; seems to have a memory leak somewh=
ere).&nbsp;
This causes MRTG (in daemon mode) to fail all updates.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Fine; I restart rrdcached and expect it all to work &#=
8211;
but it doesn&#8217;t.&nbsp; Seems that once MRTG has failed to connect to r=
rdcached
once, it never tries again until you restart.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Should MRTG die when a remote update fails?&nbsp; Or s=
hould it
re-attempt connection to rrdcached?&nbsp; If so, I&#8217;m not sure how, as=
 the RRDs
Perl module seems to be the bit to blame for this.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Thoughts?<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Steve<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span lan=
g=3DEN-US>

<hr size=3D2 width=3D"100%" align=3Dcenter>

</span></div>

<p class=3DMsoNormal><b>Steve Shipway<o:p></o:p></b></p>

<p class=3DMsoNormal><span style=3D'font-size:10.0pt'>ITS Unix Services Des=
ign Lead<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:10.0pt'>University of Aucklan=
d, New
Zealand<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:10.0pt'>Floor 1, 58 Symonds S=
treet,
Auckland<o:p></o:p></span></p>

<p class=3DMsoNormal><i><span style=3D'font-size:10.0pt;color:#595959'>Phon=
e: +64
(0)9 3737599 ext 86487<o:p></o:p></span></i></p>

<p class=3DMsoNormal><i><span style=3D'font-size:10.0pt;color:#595959'>DDI:=
 +64
(0)9 924 6487<o:p></o:p></span></i></p>

<p class=3DMsoNormal><i><span style=3D'font-size:10.0pt;color:#595959'>Mobi=
le: +64
(0)21 753 189<o:p></o:p></span></i></p>

<p class=3DMsoNormal><i><span style=3D'font-size:10.0pt;color:#595959'>Emai=
l: <a
href=3D"mailto:[email protected]"><span style=3D'color:#595959'>s.sh=
[email protected]</span></a><o:p></o:p></span></i></p>

<p class=3DMsoNormal><span lang=3DEN-GB style=3D'font-size:18.0pt;font-fami=
ly:Webdings;
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lang=3DEN-GB style=3D'font-size:10.0pt;font-family:"Arial Narrow","sans-ser=
if";
color:green'>Please consider the environment before printing this e-mail</s=
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<p class=3DMsoNormal><i><span style=3D'font-size:10.0pt'><o:p>&nbsp;</o:p><=
/span></i></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

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