Performance Resource Page h3 { color: #293e40; margin-top: 9px; font-size: 16pt; } ul, ol { padding-left: 1em; font-size: 14pt; } .kb_rsrc_card { background-color: #f7f7f7; color: #293e40; padding: 10px; /*height: 4rem;*/ border-radius: 5px; -moz-border-radius: 5px; border: 1px solid #dedede; } .kb_rsrc_cards { max-width: 1200px; margin: 0 auto; display: grid; grid-gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); } td, th { padding: 10px; } Reviewed and maintained resource page for most common, high-impacting Performance issues on ServiceNow instances. Performance Troubleshooting KB0517282: Troubleshooting case where all users experience performance issues on all applicationsKB0755182: Steps to determine the cause of a cache flushKB0656152: Troubleshooting instance response times | homepagesKB0584420: Troubleshooting guide: using the transaction logsKB0997495: How to troubleshoot a slow transactionKB0517241: Troubleshooting slow performanceKB0517274: Identifying abnormal JVM memory utilizationKB0517277: Identifying high transaction concurrencyKB0662260: Where to look when an instance experiences performance issuesKB0635449: Resolving slowness / latency when populating connect chat windows (/$chat_support.do)KB0635134: Resolving "exhausted default semaphores" errors caused by Service Portal widgets having poorly defined record watcher (recordWatch) callsKB0755068: Very slow response time How To KB0517269: Gathering stats.do and threads.do page dataKB0647698: How to obtain slow widget debug timing in Service PortalKB0635968: How to cancel a long running transaction | all nodesKB0634930: How to change the stats.do tag "DEMO Server"KB0745198: How to get the top 10 values from a table using the GlideAggregate functionKB0661882: How to set dictionary attributes quickly for all fields in a table or set of tablesKB0723049: How to detect stuck scheduled jobs that may be stuck on a non-existent nodeKB0656014: How to cancel your slow user transactionsKB0727199: How to identify slow lookup variables in the Service CatalogKB0634955: How to change the homepage refresh behaviorKB0564339: Understanding browser usage from transaction logsKB0977234: Text Re-index a table without impacting current search results Improve User Performance KB0683275: Internet Explorer 11 performance - no longer supportedKB0563671: Improving homepage performanceKB0635324: Optimize widget rendering time on responsive dashboardsKB0635119: Modifying 'Workflow Stage' field from Graphical to TextKB0517272: Verifying whether you have inefficient business rules Best Practices KB0750152: Good practices to improve instance performance through row count, related lists and dashboardsKB0546788: Best practices – general planningCommunity: Server-side Coding in ServiceNowKB0687724: ServiceNow load testing Event Queue (sysevent) KB0721202: Reduce un-necessary text index events from causing overhead on events processingKB0676909: Create a dedicated event processorKB0686835: Platform events processingKB0755187: Event queue has very high number of queued eventsKB0687779: Making the post clone regenerate text index process faster Data Management KB0724183: A script to automatically clean up sys_audit_delete and sys_audit_relation recordsKB0780216: Data retention, rotation, cleanup and instance sizeKB0694151: Use "Table Cleaner" to remove unwanted dataKB0551417: Troubleshooting the Table Cleaner scheduled jobKB0789808: Background script execution (delete action) taking hours to complete and appears hung Database KB0782916: How to create indexes using the Index Suggestion Engine (ISE)KB0722985: Utilizing the INSTANCEOF operator to improve cmdb_ci queries.KB0686002: Identifying and fixing slow queries in Service Portal widgetsKB0647687: Using "Active Query Index Hints" to improve slow query execution Integrations KB0517267: Managing network connectivity issuesKB0547347: Outbound SOAP request times out at 175 seconds when going through a MID serverKB0521688: Troubleshooting network performance data collectionKB0749897: How to solve "infinite email" loops On Premise KB0563731: Deployment guideKB0563545: Planning guideKB0788840: How to collect a Java heap dump for on premise customers