Shalin Shekhar Mangar created SOLR-7660: -------------------------------------------
Summary: Avoid redundant 'exists' calls made to ZK while fetching cluster state updates Key: SOLR-7660 URL: https://issues.apache.org/jira/browse/SOLR-7660 Project: Solr Issue Type: Improvement Components: SolrCloud Reporter: Shalin Shekhar Mangar Assignee: Shalin Shekhar Mangar Priority: Minor Fix For: 5.3, Trunk As noted in https://issues.apache.org/jira/browse/SOLR-7636?focusedCommentId=14578332&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14578332 {quote} we have CollectionsHandler -> ZK getChildren (/live_nodes) + ZK read (/clusterstate.json) + ZK getChildren + N * ZK exists (for getIndividualColls) + W * ZK exists + W * getData (for watched collections) + (N-W) * ZK exists + (N-W) * ZK getData (for non-watched collections). {quote} Some of the ZK exists calls can be avoided without the outcome. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org