https://jira.opendaylight.org This file is an XML representation of an issue en-us 8.20.10 820010 22-06-2022 https://jira.opendaylight.org/browse/CONTROLLER-1561 controller <p>I have finished the cluster transaction pipelining function and have done performance test in boron, the tx rate increased greatly. The function involved the following projects.</p> <p>1. sal-akka-raft<br/> 2. sal-distribute-datastore<br/> 3. yangtools(yang-data-api yang-data-impl) has been submit </p> <p>The yangtools support has been submitted <a href="https://git.opendaylight.org/gerrit/#/c/47569/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/47569/</a></p> <p>Operating System: All<br/> Platform: All</p> CONTROLLER-1561

Cluster transaction pipelining function

Bug Resolved Done Tom Pantelis HeYunBo Wed, 26 Oct 2016 06:40:28 +0000 Tue, 25 Jul 2023 08:24:15 +0000 Thu, 29 Dec 2016 11:09:10 +0000 clustering 0 2 <p>sal-akka-raft<br/> <a href="https://git.opendaylight.org/gerrit/#/c/47576/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/47576/</a></p> <p>sal-distribute-datastore<br/> <a href="https://git.opendaylight.org/gerrit/#/c/47578/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/47578/</a></p> <p>The core implementations is ShardDataTree.java AbstractDataTreeTip.java</p> <p>In order to maintain the stability of the current transaction function，provides JMX API to enable transaction pipeline policy. meanwhile, this function need to disable TransactionRateLimiter</p> <p>I believe the ShardDataTree bits are conceptually fine &#8211; in fact this is precisely why there is a DataTreeCandidateTip and we have a ShardDataTree in its current shape and form.</p> <p>Why does the TransactionLimiter need to be disabled, though? Is it causing problems?</p> <p>The TransactionLimiter is used to measure the transaction latency.</p> <p>Normally, the TransactionCreationRateLimit is 500~700 </p> <p>The TransactionCreationRateLimit is 400~500 if keep TransactionLimiter in transaction pipeline process , the total tx rate will be as same as before per shard even though in multi-thread Condition</p> <p>(In reply to HeYunBo from comment #4)<br/> &gt; The TransactionLimiter is used to measure the transaction latency.<br/> &gt; <br/> &gt; Normally, the TransactionCreationRateLimit is 500~700 <br/> &gt; <br/> &gt; The TransactionCreationRateLimit is 400~500 if keep TransactionLimiter in<br/> &gt; transaction pipeline process , the total tx rate will be as same as before<br/> &gt; per shard even though in multi-thread Condition</p> <p>Are you saying the TransactionLimiter artificially limits the rate? We can't disable the rate limiting. However, Robert is re-implementing the front-end along with the rate limiting.</p> <p>Yes, actually，the TransactionLimiter limits the rate, the implements need to be reconsidered when enable the transaction pipelining function</p> <p>The first patch, <a href="https://git.opendaylight.org/gerrit/#/c/28775/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/28775/</a>, to handle the DataTreeCandidate chaining has been merged.</p> <p>Submitted a second patch to implement the transaction pipe-lining: <a href="https://git.opendaylight.org/gerrit/#/c/49384/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/49384/</a></p> <p>Remaining patches:</p> <p><a href="https://git.opendaylight.org/gerrit/#/c/49439/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/49439/</a><br/> <a href="https://git.opendaylight.org/gerrit/#/c/49498/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/49498/</a><br/> <a href="https://git.opendaylight.org/gerrit/#/c/49689/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/49689/</a></p> Blocks YANGTOOLS-700 Development External issue ID 7033 External issue URL Issue Type ODL SR Target Milestone Rank 0|i02rbz: