Performance Resource Page<!-- /*NS Branding Styles*/ --> .ns-kb-css-body-editor-container { p { font-size: 12pt; font-family: Lato; color: var(--now-color--text-primary, #000000); } span { font-size: 12pt; font-family: Lato; color: var(--now-color--text-primary, #000000); } h2 { font-size: 24pt; font-family: Lato; color: var(--now-color--text-primary, black); } h3 { font-size: 18pt; font-family: Lato; color: var(--now-color--text-primary, black); } h4 { font-size: 14pt; font-family: Lato; color: var(--now-color--text-primary, black); } a { font-size: 12pt; font-family: Lato; color: var(--now-color--link-primary, #00718F); } a:hover { font-size: 12pt; color: var(--now-color--link-primary, #024F69); } a:target { font-size: 12pt; color: var(--now-color--link-primary, #032D42); } a:visited { font-size: 12pt; color: var(--now-color--link-primary, #00718f); } ul { font-size: 12pt; font-family: Lato; } li { font-size: 12pt; font-family: Lato; } img { display: ; max-width: ; width: ; height: ; } } This page is a curated index of the most common and high-impact performance resources for ServiceNow instances. Use it to locate troubleshooting guides, how-to articles, general guidelines, and reference material by topic area. Start with the section that best matches the symptom or task at hand. Performance troubleshooting Use these articles when users report slowness, transaction delays, or broad performance degradation across an instance. - Troubleshooting all-user performance issues across all applications KB0517282 - Steps to determine the cause of a cache flush KB0755182 - Troubleshooting guide: using the transaction logs KB0584420 - How to troubleshoot a slow transaction KB0997495 - Troubleshooting slow performance KB0517241 How to Use these articles for specific diagnostic and administrative tasks related to performance investigation and management. - Gathering stats.do and threads.do page data KB0517269 - How to obtain slow widget debug timing in Service Portal KB0647698 - How to cancel a long-running transaction on all nodes KB0635968 - How to change the stats.do tag DEMO Server KB0634930 - How to detect stuck scheduled jobs on a non-existent node KB0723049 - How to cancel slow user transactions KB0656014 - How to identify slow lookup variables in the Service Catalog KB0727199 - How to change the homepage refresh behavior KB0634955 Improve user performance Use these articles to address client-side and rendering performance concerns. - Internet Explorer 11 performance — no longer supported KB0683275 - Optimize widget rendering time on responsive dashboards KB0635324 General guidelines Use these articles for proactive steps and load considerations to improve instance performance. - Good practices to improve instance performance through row count, related lists, and dashboards KB0750152 - Server-side coding in ServiceNow ServiceNow Community - ServiceNow load testing KB0687724 Event queue (sysevent) Use these articles when event processing overhead or event queue backlogs are contributing to performance issues. - Reduce unnecessary text index events causing overhead on event processing KB0721202 - Create a dedicated event processor KB0676909 - Platform events processing KB0686835 Data management Use these articles when data volume or uncontrolled record growth may be contributing to performance degradation. - A script to automatically clean up sys_audit_delete and sys_audit_relation records KB0724183 - Data retention, rotation, cleanup, and instance size KB0780216 - Use Table Cleaner to remove unwanted data KB0694151 - Troubleshooting the Table Cleaner scheduled job KB0551417 Database Use these articles when slow queries or missing indexes are identified as a root cause. - How to create indexes using the Index Suggestion Engine (ISE) KB0782916 - Using the INSTANCEOF operator to improve cmdb_ci queries KB0722985 - Using Active Query Index Hints to improve slow query execution KB0647687 Integrations Use these articles when performance issues are linked to network connectivity, MID Server activity, or external integrations. - Managing network connectivity issues KB0517267 Outbound SOAP request times out at 175 seconds when going through a MID Server KB0547347 - Troubleshooting network performance data collection KB0521688 - How to resolve infinite email loops KB0749897 On premise Use these articles for deployment planning and diagnostics specific to on-premise installations. - Deployment guide KB0563731 - Planning guide KB0563545 - How to collect a Java heap dump for on-premise customers KB0788840