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List: rrd-users
Subject: Re: [rrd-users] RRD error at DST shift on sparc Solaris?
From: Steve Shipway <s.shipway () auckland ! ac ! nz>
Date: 2011-11-10 23:48:10
Message-ID: 7294716191A1E142B80615ED2C633BCAF773FE () uxcn10-2 ! UoA ! auckland ! ac ! nz
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RRDTool works in epoch time, so DST wouldn't make any difference for data
storage.
For retrieval or display, if you are generating a graph then you might get
odd behaviour around DST changes though - and as you said, you can't expect
'end - 1 day' to be consistent around a DST change.
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: <mailto:s.shipway@auckland.ac.nz> s.shipway@auckland.ac.nz
P Please consider the environment before printing this e-mail
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class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>RRDTool works in \
epoch time, so DST wouldn’t make any difference for data \
storage.<o:p></o:p></span></p><p class=MsoNormal><span \
style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span \
style='color:#1F497D'>For retrieval or display, if you are generating a graph then \
you might get odd behaviour around DST changes though – and as you said, you \
can’t expect ‘end – 1 day’ to be consistent around a DST \
change.<o:p></o:p></span></p><p class=MsoNormal><span \
style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span \
style='color:#1F497D'>Steve<o:p></o:p></span></p><p class=MsoNormal><span \
style='color:#1F497D'><o:p> </o:p></span></p><div><div class=MsoNormal \
align=center style='text-align:center'><span lang=EN-US style='color:#1F497D'><hr \
size=2 width="100%" align=center></span></div><p class=MsoNormal><b><span \
style='color:#1F497D'>Steve Shipway<o:p></o:p></span></b></p><p class=MsoNormal><span \
style='font-size:10.0pt;color:#1F497D'>ITS Unix Services Design \
Lead<o:p></o:p></span></p><p class=MsoNormal><span \
style='font-size:10.0pt;color:#1F497D'>University of Auckland, New \
Zealand<o:p></o:p></span></p><p class=MsoNormal><span \
style='font-size:10.0pt;color:#1F497D'>Floor 1, 58 Symonds Street, \
Auckland<o:p></o:p></span></p><p class=MsoNormal><i><span \
style='font-size:10.0pt;color:#595959'>Phone: +64 (0)9 3737599 ext \
86487<o:p></o:p></span></i></p><p class=MsoNormal><i><span \
style='font-size:10.0pt;color:#595959'>DDI: +64 (0)9 924 \
6487<o:p></o:p></span></i></p><p class=MsoNormal><i><span \
style='font-size:10.0pt;color:#595959'>Mobile: +64 (0)21 753 \
189<o:p></o:p></span></i></p><p class=MsoNormal><i><span \
style='font-size:10.0pt;color:#595959'>Email: <a \
href="mailto:s.shipway@auckland.ac.nz"><span \
style='color:#595959'>s.shipway@auckland.ac.nz</span></a><o:p></o:p></span></i></p><p \
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