{"id":12,"date":"2026-08-08T18:44:04","date_gmt":"2026-08-08T18:44:04","guid":{"rendered":"http:\/\/corpolearn.wp\/snow\/\/how-to-write-efficient-gliderecord-queries-and-avoid-performance-bottlenecks\/"},"modified":"2026-08-08T18:44:04","modified_gmt":"2026-08-08T18:44:04","slug":"how-to-write-efficient-gliderecord-queries-and-avoid-performance-bottlenecks","status":"publish","type":"post","link":"https:\/\/corpolearn.com\/snow\/how-to-write-efficient-gliderecord-queries-and-avoid-performance-bottlenecks\/","title":{"rendered":"How to Write Efficient GlideRecord Queries and Avoid Performance Bottlenecks"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Poorly written server-side scripts are the primary cause of instance performance degradation, slow form loads, and high database CPU usage. Learn how to write lightning-fast <code>GlideRecord<\/code> and <code>GlideAggregate<\/code> queries.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rule 1: Always Limit Fields and Query Sets<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ FAST: Using addEncodedQuery and setLimit\nvar gr = new GlideRecord(\"incident\");\ngr.addEncodedQuery(\"active=true^priority=1\");\ngr.setLimit(50);\ngr.query();\nwhile (gr.next()) {\n    gs.info(\"P1 Incident: \" + gr.getValue(\"number\"));\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Rule 2: Use GlideAggregate for Record Counts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Never use <code>gr.getRowCount()<\/code> on large tables! Use <code>GlideAggregate<\/code> to run SQL <code>COUNT()<\/code> directly in the database engine.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Poorly written server-side scripts are the primary cause of instance performance degradation, slow form loads, and high database CPU usage. Learn how to write lightning-fast&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_cl_workflow_state":"","_cl_content_brief":"","_cl_target_topic":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-12","post","type-post","status-publish","format-standard","hentry","category-servicenow-scripting"],"_links":{"self":[{"href":"https:\/\/corpolearn.com\/snow\/wp-json\/wp\/v2\/posts\/12","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/corpolearn.com\/snow\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/corpolearn.com\/snow\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/corpolearn.com\/snow\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/corpolearn.com\/snow\/wp-json\/wp\/v2\/comments?post=12"}],"version-history":[{"count":0,"href":"https:\/\/corpolearn.com\/snow\/wp-json\/wp\/v2\/posts\/12\/revisions"}],"wp:attachment":[{"href":"https:\/\/corpolearn.com\/snow\/wp-json\/wp\/v2\/media?parent=12"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/corpolearn.com\/snow\/wp-json\/wp\/v2\/categories?post=12"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/corpolearn.com\/snow\/wp-json\/wp\/v2\/tags?post=12"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}