<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi,<div><br></div><div>Using rrdcached plugin you have it.</div><div><br></div><div>Have a look on <a href="http://oss.oetiker.ch/rrdtool/doc/rrdcached.en.html">http://oss.oetiker.ch/rrdtool/doc/rrdcached.en.html</a> </div><div><br></div><div apple-content-edited="true">
<div>Cyril Feraudet</div><div><a href="http://perfwatcher.org/">http://perfwatcher.org/</a></div>
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<br><div><div>On 7 mars 2013, at 10:04, Benjamin Wang (gendwang) <<a href="mailto:gendwang@cisco.com">gendwang@cisco.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="ZH-CN" link="blue" vlink="purple" style="font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif; "><span lang="EN-US">Hi,<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif; "><span lang="EN-US"> Collectd website mentions that rrdtool is using cache to avoid the IO hell. Is there any chache recovering mechanism similar to redo log?<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif; "><span lang="EN-US">When the collectd is down, will the cache data be lost or recovered from some place?<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif; "><span lang="EN-US"> </span></div><div style="margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif; "><span lang="EN-US">B.R.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif; "><span lang="EN-US">Benjamin Wang<o:p></o:p></span></div></div>_______________________________________________<br>collectd mailing list<br><a href="mailto:collectd@verplant.org" style="color: purple; text-decoration: underline; ">collectd@verplant.org</a><br><a href="http://mailman.verplant.org/listinfo/collectd" style="color: purple; text-decoration: underline; ">http://mailman.verplant.org/listinfo/collectd</a><br></div></blockquote></div><br></body></html>