<div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial"><div id="isForwardContent"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial"><div style="FONT-SIZE: 14px; COLOR: #000000; LINE-HEIGHT: 1.7; FONT-FAMILY: arial"><div>hi, </div><div>can you tell me why TPS is too high at first and sometimes maybe even more higher(maybe over 30000/s) when I send messages to rabbitmq cluster concurrently? thanks!</div>
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<div><img src="cid:167f98b$1$1364eb77cb1$Coremail$chen-hongqin@163.com" style="line-height: 1.7; "></div>
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<div> </div></div></div><div>Some infos about this test:</div><div>1. all the messages are same and each message size is 1kb.</div><div><div>2. 300 queues created by multiple Producers at start and messages sent to the queues are random </div><div>3. All messages are persistent and queues are all durable</div></div><div>4. 3 nodes consists of a rabbitmq cluster and all the nodes are in the same host but different ports</div><div>the host info:</div><div><table class="MsoTableGrid" border="1" cellspacing="0" cellpadding="0" style="border-collapse: collapse; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; border-image: initial; "><tbody><tr><td width="284" valign="top" style="width: 213.05pt; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: windowtext; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext; border-top-width: 1pt; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-image: initial; padding-top: 0cm; padding-right: 5.4pt; padding-bottom: 0cm; padding-left: 5.4pt; "><p class="MsoNormal" style="vertical-align: baseline; "><span lang="EN-US" style="font-size: 12pt; font-family: 'Liberation Serif', serif; ">JAVA </span><span style="font-size: 12pt; font-family: 宋体; ">version</span><span lang="EN-US" style="font-size: 12pt; font-family: 'Liberation Serif', serif; "><o:p></o:p></span></p></td><td width="284" valign="top" style="width: 213.05pt; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-top-color: windowtext; border-right-color: windowtext; border-bottom-color: windowtext; border-top-width: 1pt; border-right-width: 1pt; border-bottom-width: 1pt; border-image: initial; border-left-style: none; border-left-width: initial; border-left-color: initial; padding-top: 0cm; padding-right: 5.4pt; padding-bottom: 0cm; padding-left: 5.4pt; "><p class="MsoNormal" align="left" style="text-align: left; vertical-align: baseline; "><span lang="EN-US" style="font-size: 12pt; font-family: 'Liberation Serif', serif; ">Java version "1.6.0_12" Java(TM) SE Runtime Environment (build 1.6.0_12-b04)<o:p></o:p></span></p></td></tr><tr><td width="284" valign="top" style="width: 213.05pt; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-image: initial; border-top-style: none; border-top-width: initial; border-top-color: initial; padding-top: 0cm; padding-right: 5.4pt; padding-bottom: 0cm; padding-left: 5.4pt; "><p class="MsoNormal" style="vertical-align: baseline; "><span lang="EN-US" style="font-size: 12pt; font-family: 'Liberation Serif', serif; ">JAVA </span><span lang="EN-US" style="font-size: 12pt; "><font face="宋体">VM</font></span></p></td><td width="284" valign="top" style="width: 213.05pt; border-top-style: none; border-top-width: initial; border-top-color: initial; border-left-style: none; border-left-width: initial; border-left-color: initial; border-bottom-style: solid; border-bottom-color: windowtext; border-bottom-width: 1pt; border-right-style: solid; 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border-top-style: none; border-top-width: initial; border-top-color: initial; border-left-style: none; border-left-width: initial; border-left-color: initial; border-bottom-style: solid; border-bottom-color: windowtext; border-bottom-width: 1pt; border-right-style: solid; border-right-color: windowtext; border-right-width: 1pt; padding-top: 0cm; padding-right: 5.4pt; padding-bottom: 0cm; padding-left: 5.4pt; "><p class="MsoNormal" align="left" style="text-align: left; "><span lang="EN-US" style="font-size: 12pt; font-family: 'Liberation Serif', serif; ">Intel(R) Xeon(R) CPU E5504 @2.00GHz<o:p></o:p></span></p></td></tr><tr><td width="284" valign="top" style="width: 213.05pt; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-image: initial; border-top-style: none; border-top-width: initial; 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border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-image: initial; border-top-style: none; border-top-width: initial; border-top-color: initial; padding-top: 0cm; padding-right: 5.4pt; padding-bottom: 0cm; padding-left: 5.4pt; "><p class="MsoNormal" style="vertical-align: baseline; "><span style="font-size: 12pt; font-family: 宋体; ">memory</span><span lang="EN-US" style="font-size: 12pt; font-family: 'Liberation Serif', serif; "><o:p></o:p></span></p></td><td width="284" valign="top" style="width: 213.05pt; border-top-style: none; border-top-width: initial; border-top-color: initial; border-left-style: none; border-left-width: initial; border-left-color: initial; border-bottom-style: solid; border-bottom-color: windowtext; border-bottom-width: 1pt; border-right-style: solid; border-right-color: windowtext; border-right-width: 1pt; padding-top: 0cm; padding-right: 5.4pt; 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border-top-style: none; border-top-width: initial; border-top-color: initial; border-left-style: none; border-left-width: initial; border-left-color: initial; border-bottom-style: solid; border-bottom-color: windowtext; border-bottom-width: 1pt; border-right-style: solid; border-right-color: windowtext; border-right-width: 1pt; padding-top: 0cm; padding-right: 5.4pt; padding-bottom: 0cm; padding-left: 5.4pt; "><p class="MsoNormal" style="vertical-align: baseline; "><span lang="EN-US" style="font-size: 12pt; font-family: 'Liberation Serif', serif; ">Erlang R15B (erts-5.9) [source] [64-bit] [smp:8:8] [async-threads:0] [hipe] [kernel-poll:false]<o:p></o:p></span></p></td></tr><tr><td width="284" valign="top" style="width: 213.05pt; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-right-color: windowtext; border-bottom-color: windowtext; border-left-color: windowtext; border-right-width: 1pt; border-bottom-width: 1pt; border-left-width: 1pt; border-image: initial; border-top-style: none; border-top-width: initial; border-top-color: initial; padding-top: 0cm; padding-right: 5.4pt; padding-bottom: 0cm; padding-left: 5.4pt; "><p class="MsoNormal" style="vertical-align: baseline; "><span lang="EN-US" style="font-size: 12pt; font-family: 'Liberation Serif', serif; ">RabbitMQ</span><span lang="EN-US" style="font-size: 12pt; "><font face="宋体"> version</font></span></p></td><td width="284" valign="top" style="width: 213.05pt; border-top-style: none; border-top-width: initial; border-top-color: initial; border-left-style: none; border-left-width: initial; border-left-color: initial; border-bottom-style: solid; border-bottom-color: windowtext; border-bottom-width: 1pt; border-right-style: solid; border-right-color: windowtext; border-right-width: 1pt; padding-top: 0cm; padding-right: 5.4pt; padding-bottom: 0cm; padding-left: 5.4pt; "><p class="MsoNormal" style="vertical-align: baseline; "><span lang="EN-US" style="font-size: 12pt; font-family: 'Liberation Serif', serif; ">Release 2.7.1<o:p></o:p></span></p></td></tr></tbody></table></div><br><div> </div><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span></div></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span>