<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 18, 2015, at 1:04 PM, Gaurav Jain <<a href="mailto:monkeyfdude@gmail.com" class="">monkeyfdude@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">My question is:</div><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br class=""></div><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">* Has CalendarSever-5.2.2 been used in PROD deployments?</div><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">* Since I don't have scaling issues, is it ok to use XMLDirectoryService for like 1000 accounts?</div></div></blockquote></div><br class=""><div class="">Hello,</div><div class=""><br class=""></div><div class="">Calendar Server can be (and is, in rare instances) deployed in a high-availability (HA) configuration, which can also be used to scale. Check out the following document, which identifies the important parts of a multi-server configuration.</div><div class=""><br class=""></div><div class=""><a href="http://trac.calendarserver.org/browser/CalendarServer/trunk/doc/Admin/MultiServerDeployment.rst" class="">http://trac.calendarserver.org/browser/CalendarServer/trunk/doc/Admin/MultiServerDeployment.rst</a></div><div class=""><br class=""></div><div class="">Removing all single points of failure would require implementing HA / redundancy for each of the items listed in that document, which is beyond the scope of our documentation, but should be a familiar process for anybody who has ever implemented HA.</div><div class=""><br class=""></div><div class="">XMLDirectoryService is probably the most scalable directory service we support, due to its simplicity. If it meets your needs, I can’t think of a reason to switch away from it.</div><div class=""><br class=""></div><div class="">-dre</div></body></html>