<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><BR><DIV><DIV>On May 10, 2007, at 10:19 , Les Mikesell wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Monaco" size="2" style="font: 10.0px Monaco">How graceful is the system about making these changes while in production?<SPAN class="Apple-converted-space"> </SPAN>If you add servers do you have to stop the clients to reconfigure to use them, and is there any problem other than less than optimal caching while some clients run with the old setup?</FONT></P> </BLOCKQUOTE></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>The memcached nodes don't care. They don't know about each other.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>The clients are where the issue is. For example, where I'm using my java client, I initialize it at application startup time and inject it where it's needed. This effectively leaves me with no reconfiguration facility.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>Alternatively, I could more dynamically access my client and a means of pushing a new config into it and the users of the client wouldn't care at all.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>I've mentioned a memcached proxy that I think would be an ideal solution this problem as well as providing a performance benefit from multi-process applications. I haven't written any of it yet, though.</DIV><BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV>-- </DIV><DIV>Dustin Sallings</DIV><BR class="Apple-interchange-newline"></SPAN> </DIV><BR></BODY></HTML>