<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><BR><DIV><DIV>On Apr 4, 2007, at 14:53 , Muruga Chinnananchi wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><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; ">I was trying to use the one memcahed server with the java client on the same machine. i tried with 100 threads using the MemcachedClient using the same socket pool (with 300 socket connections minimum), after few seconds all the threads getting locked at com.danga.MemCached.SockIOPool.checkIn. I wanted to measure the memcached performance numbers with lots of threads concurrently executing the getMulti( ) method.<SPAN class="Apple-converted-space"> </SPAN><BR><BR>Using 1 thread, i get 150 msec response..when i tried with 5 threads i get 350 msec average...as i increase the threads the the response is slower and slower (2000 msecs average). Am i missing some configurations?, here is my config.<SPAN class="Apple-converted-space"> </SPAN><BR></SPAN></BLOCKQUOTE></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>I'd be interested to see your results against my client. I wrote it specifically to avoid some of the bottlenecks I ran into with the multi-threaded client:</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN><A href="http://bleu.west.spy.net/~dustin/projects/memcached/">http://bleu.west.spy.net/~dustin/projects/memcached/</A></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>A single connection with a single thread should give you the performance you need (since that's all that's on the server-side). I could conceivably run more than one connection per server if there's a bottleneck in the wire protocol.</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>