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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>No, if an object is not cacheable, it will simply not be cached (stored in memory and later served from here instead of fetching from the backend), but IT WILL BE DELIVERED to the client. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The only time varnish will re-fetch the object from the backend is on a new client request.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Traian<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> varnish-misc-bounces@varnish-cache.org [mailto:varnish-misc-bounces@varnish-cache.org] <b>On Behalf Of </b>??<br><b>Sent:</b> Thursday, April 07, 2011 11:25 AM<br><b>To:</b> varnish-misc@varnish-cache.org<br><b>Subject:</b> a possible dead cycle?<o:p></o:p></span></p><div><div><p class=MsoNormal><br>   when varnish fetch a page from backend server, and find it 's not  cacheable,  so go to fetch the page from backend sever again?<br> <o:p></o:p></p></div><div><p class=MsoNormal>   and find it 's not  cacheable again , so again and agian .......?<br><br>  please help me! thanks !<br><br>    <o:p></o:p></p><pre>  Regards! <br>  pwlazy<o:p></o:p></pre></div></div></div></body></html>