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<div><span class="Apple-style-span" style="font-size: 16px; font-family: 'times new roman', 'new york', times, serif; ">I have set up clustered HA two node rabitmq cluster � one running in file mode and other in in memory.</span></div>
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This takes cares of continued flow of messages if one node in cluster is down. I am still testing this scenario.</div>
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Load balancing to consumer side ( worker queue or consistent hash exchange etc) is working. I have got question regarding some load balancing from producer to broker side.</div>
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Lets say our load requirement is very very high and one cluster of rabbitMQ is not sufficient to handle that large load. To handle very large load, and to test this configuration I am thinking about create another cluster of rabbitMQ and put both cluster
nodes behind <span class="yshortcuts cs4-visible" id="lw_1351703047_0" style="cursor: pointer; color: rgb(54, 99, 136); border-bottom-width: 2px; border-bottom-style: dotted; border-bottom-color: rgb(54, 99, 136); ">load balancer</span>. I have following
question</div>
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<li class="yiv1519409929li1" style="display: list-item; ">Is this approach recommended or tried by anyone. </li><li class="yiv1519409929li1" id="yui_3_7_2_6_1351703026552_519" style="display: list-item; ">
What configuration I need to specify in load balancer ? For example, I need to specify server addresses in load balancer. If I have cluster of server, can I specify like this</li></ol>
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server cluster1server1<span class="yiv1519409929s1">.dev.aws.xyz.net:5672,</span>cluster1server2<span class="yiv1519409929s1">.dev.aws.xyz.net:5672</span></div>
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<span class="yiv1519409929s2" id="yui_3_7_2_6_1351703026552_521"><span class="yiv1519409929Apple-tab-span"></span> server cluster2server1</span><span class="yiv1519409929s3">.dev.aws.xyz.net:5672,</span><span class="yiv1519409929s2">cluster2server2</span><span class="yiv1519409929s3">.dev.aws.xyz.net:5672</span></div>
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3. If I don't use load balancer, I use cache of connection like this</div>
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<span class="yiv1519409929s4"> <</span><span class="yiv1519409929s5">bean</span><span class="yiv1519409929s6"> </span><span class="yiv1519409929s7">id</span><span class="yiv1519409929s6">=</span>"connectionFactory"</div>
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<span class="yiv1519409929s6"><span class="yiv1519409929Apple-tab-span"></span><span class="yiv1519409929Apple-tab-span"></span></span><span class="yiv1519409929s7">class</span><span class="yiv1519409929s6">=</span>"org.springframework.amqp.rabbit.connection.CachingConnectionFactory"<span class="yiv1519409929s4">></span><span class="yiv1519409929s6"><span class="yiv1519409929Apple-tab-span"> </span><span class="yiv1519409929Apple-tab-span"></span> </span></div>
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<span class="yiv1519409929s6"><span class="yiv1519409929Apple-tab-span"></span><span class="yiv1519409929Apple-tab-span"></span></span><span class="yiv1519409929s4"><</span><span class="yiv1519409929s5">property</span><span class="yiv1519409929s6"> </span><span class="yiv1519409929s7">name</span><span class="yiv1519409929s6">=</span>"username"<span class="yiv1519409929s6"> </span><span class="yiv1519409929s7">value</span><span class="yiv1519409929s6">=</span>"${message.broker.apr.userName}"<span class="yiv1519409929s6"> </span><span class="yiv1519409929s4">/></span></div>
<div class="yiv1519409929p6" id="yui_3_7_2_6_1351703026552_525" style="color: rgb(0, 0, 0); font-family: 'times new roman', 'new york', times, serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); ">
<span class="yiv1519409929s6"><span class="yiv1519409929Apple-tab-span"></span><span class="yiv1519409929Apple-tab-span"></span></span><span class="yiv1519409929s4"><</span><span class="yiv1519409929s5">property</span><span class="yiv1519409929s6"> </span><span class="yiv1519409929s7">name</span><span class="yiv1519409929s6">=</span>"password"<span class="yiv1519409929s6"> </span><span class="yiv1519409929s7">value</span><span class="yiv1519409929s6">=</span>"${message.broker.apr.password}"<span class="yiv1519409929s6"> </span><span class="yiv1519409929s4">/></span></div>
<div class="yiv1519409929p6" id="yui_3_7_2_6_1351703026552_526" style="color: rgb(0, 0, 0); font-family: 'times new roman', 'new york', times, serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); ">
<span class="yiv1519409929s6"><span class="yiv1519409929Apple-tab-span"></span><span class="yiv1519409929Apple-tab-span"></span></span><span class="yiv1519409929s4"><</span><span class="yiv1519409929s5">property</span><span class="yiv1519409929s6"> </span><span class="yiv1519409929s7">name</span><span class="yiv1519409929s6">=</span>"channelCacheSize"<span class="yiv1519409929s6"> </span><span class="yiv1519409929s7">value</span><span class="yiv1519409929s6">=</span>"${message.broker.numberOfCachedChannelsForBroker}"<span class="yiv1519409929s6"> </span><span class="yiv1519409929s4">/></span></div>
<div class="yiv1519409929p6" style="color: rgb(0, 0, 0); font-family: 'times new roman', 'new york', times, serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); ">
<span class="yiv1519409929s6"><span class="yiv1519409929Apple-tab-span"></span><span class="yiv1519409929Apple-tab-span"></span></span><span class="yiv1519409929s4"><</span><span class="yiv1519409929s5">property</span><span class="yiv1519409929s6"> </span><span class="yiv1519409929s7">name</span><span class="yiv1519409929s6">=</span>"addresses"<span class="yiv1519409929s6"> </span><span class="yiv1519409929s7">value</span><span class="yiv1519409929s6">=</span>"</div>
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<span class="yiv1519409929s8">cluster1server1</span>.dev.aws.xyz.net:5672,<span class="yiv1519409929s8">cluster1server2</span>.dev.aws.xyz.net:5672"<span class="yiv1519409929s6"> </span><span class="yiv1519409929s4">/></span><span class="yiv1519409929s6"> </span></div>
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<span class="yiv1519409929s6"></span><span class="yiv1519409929s4"></</span>bean<span class="yiv1519409929s4">></span></div>
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How can I specify these if I am using load balancer?</div>
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In short anybody has used clustered HA rabbitmq behind loadbalancer. If this option is not recommended than other option I was thinking about cadd more node in a sinle cluster and add other exchange and node, but in that case publisher is going to do round
robin kind of mechanish to balance load between two exchanges.</div>
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