debian/additions/my.cnf sets slow_query_log_file to /var/log/mysql/mariadb-slow.log.
Update the filename to rotate the slow log file.
{"report":{"fcp":856.5999999940395,"ttfb":313.59999999403954,"pageVisibility":"visible","entityId":53853,"key":"jira.project.issue.view-issue","isInitial":true,"threshold":1000,"elementTimings":{},"userDeviceMemory":8,"userDeviceProcessors":64,"apdex":1,"journeyId":"154a6c9d-3aae-4fb1-8641-0d781ab1deda","navigationType":0,"readyForUser":916.6999999955297,"redirectCount":0,"resourceLoadedEnd":735.8999999985099,"resourceLoadedStart":318.3999999985099,"resourceTiming":[{"duration":39.600000001490116,"initiatorType":"link","name":"https://jira.mariadb.org/s/2c21342762a6a02add1c328bed317ffd-CDN/lu2bv2/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/css/_super/batch.css","startTime":318.3999999985099,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":318.3999999985099,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":358,"responseStart":0,"secureConnectionStart":0},{"duration":39.600000001490116,"initiatorType":"link","name":"https://jira.mariadb.org/s/7ebd35e77e471bc30ff0eba799ebc151-CDN/lu2bv2/820016/12ta74/2380add21a9a1006587582385952de73/_/download/contextbatch/css/jira.browse.project,project.issue.navigator,jira.view.issue,jira.general,jira.global,atl.general,-_super/batch.css?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&slack-enabled=true","startTime":318.69999999552965,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":318.69999999552965,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":358.29999999701977,"responseStart":0,"secureConnectionStart":0},{"duration":91.89999999850988,"initiatorType":"script","name":"https://jira.mariadb.org/s/e9b27a47da5fb0f74a35acd57e9847fb-CDN/lu2bv2/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/js/_super/batch.js?locale=en","startTime":318.79999999701977,"connectEnd":318.79999999701977,"connectStart":318.79999999701977,"domainLookupEnd":318.79999999701977,"domainLookupStart":318.79999999701977,"fetchStart":318.79999999701977,"redirectEnd":0,"redirectStart":0,"requestStart":360.69999999552965,"responseEnd":410.69999999552965,"responseStart":377,"secureConnectionStart":318.79999999701977},{"duration":113,"initiatorType":"script","name":"https://jira.mariadb.org/s/c32eb0da7ad9831253f8397e6cc26afd-CDN/lu2bv2/820016/12ta74/2380add21a9a1006587582385952de73/_/download/contextbatch/js/jira.browse.project,project.issue.navigator,jira.view.issue,jira.general,jira.global,atl.general,-_super/batch.js?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&locale=en&slack-enabled=true","startTime":319,"connectEnd":319,"connectStart":319,"domainLookupEnd":319,"domainLookupStart":319,"fetchStart":319,"redirectEnd":0,"redirectStart":0,"requestStart":361.69999999552965,"responseEnd":432,"responseStart":377.69999999552965,"secureConnectionStart":319},{"duration":63.899999998509884,"initiatorType":"script","name":"https://jira.mariadb.org/s/bc0bcb146314416123c992714ee00ff7-CDN/lu2bv2/820016/12ta74/c92c0caa9a024ae85b0ebdbed7fb4bd7/_/download/contextbatch/js/atl.global,-_super/batch.js?locale=en","startTime":319.19999999552965,"connectEnd":319.19999999552965,"connectStart":319.19999999552965,"domainLookupEnd":319.19999999552965,"domainLookupStart":319.19999999552965,"fetchStart":319.19999999552965,"redirectEnd":0,"redirectStart":0,"requestStart":363,"responseEnd":383.09999999403954,"responseStart":382.59999999403954,"secureConnectionStart":319.19999999552965},{"duration":63.100000001490116,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bv2/820016/12ta74/1.0/_/download/batch/jira.webresources:calendar-en/jira.webresources:calendar-en.js","startTime":319.29999999701977,"connectEnd":319.29999999701977,"connectStart":319.29999999701977,"domainLookupEnd":319.29999999701977,"domainLookupStart":319.29999999701977,"fetchStart":319.29999999701977,"redirectEnd":0,"redirectStart":0,"requestStart":364.09999999403954,"responseEnd":382.3999999985099,"responseStart":381.79999999701977,"secureConnectionStart":319.29999999701977},{"duration":72.19999999552965,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bv2/820016/12ta74/1.0/_/download/batch/jira.webresources:calendar-localisation-moment/jira.webresources:calendar-localisation-moment.js","startTime":319.5,"connectEnd":319.5,"connectStart":319.5,"domainLookupEnd":319.5,"domainLookupStart":319.5,"fetchStart":319.5,"redirectEnd":0,"redirectStart":0,"requestStart":365.69999999552965,"responseEnd":391.69999999552965,"responseStart":391,"secureConnectionStart":319.5},{"duration":44.900000005960464,"initiatorType":"link","name":"https://jira.mariadb.org/s/b04b06a02d1959df322d9cded3aeecc1-CDN/lu2bv2/820016/12ta74/a2ff6aa845ffc9a1d22fe23d9ee791fc/_/download/contextbatch/css/jira.global.look-and-feel,-_super/batch.css","startTime":319.59999999403954,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":319.59999999403954,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":364.5,"responseStart":0,"secureConnectionStart":0},{"duration":76.39999999850988,"initiatorType":"script","name":"https://jira.mariadb.org/rest/api/1.0/shortcuts/820016/47140b6e0a9bc2e4913da06536125810/shortcuts.js?context=issuenavigation&context=issueaction","startTime":319.79999999701977,"connectEnd":319.79999999701977,"connectStart":319.79999999701977,"domainLookupEnd":319.79999999701977,"domainLookupStart":319.79999999701977,"fetchStart":319.79999999701977,"redirectEnd":0,"redirectStart":0,"requestStart":369.69999999552965,"responseEnd":396.19999999552965,"responseStart":395.69999999552965,"secureConnectionStart":319.79999999701977},{"duration":46.19999999552965,"initiatorType":"link","name":"https://jira.mariadb.org/s/3ac36323ba5e4eb0af2aa7ac7211b4bb-CDN/lu2bv2/820016/12ta74/d176f0986478cc64f24226b3d20c140d/_/download/contextbatch/css/com.atlassian.jira.projects.sidebar.init,-_super,-project.issue.navigator,-jira.view.issue/batch.css?jira.create.linked.issue=true","startTime":319.8999999985099,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":319.8999999985099,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":366.09999999403954,"responseStart":0,"secureConnectionStart":0},{"duration":75.39999999850988,"initiatorType":"script","name":"https://jira.mariadb.org/s/719848dd97ebe0663199f49a3936487a-CDN/lu2bv2/820016/12ta74/d176f0986478cc64f24226b3d20c140d/_/download/contextbatch/js/com.atlassian.jira.projects.sidebar.init,-_super,-project.issue.navigator,-jira.view.issue/batch.js?jira.create.linked.issue=true&locale=en","startTime":320.19999999552965,"connectEnd":320.19999999552965,"connectStart":320.19999999552965,"domainLookupEnd":320.19999999552965,"domainLookupStart":320.19999999552965,"fetchStart":320.19999999552965,"redirectEnd":0,"redirectStart":0,"requestStart":369.79999999701977,"responseEnd":395.59999999403954,"responseStart":394.8999999985099,"secureConnectionStart":320.19999999552965},{"duration":397.5,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bv2/820016/12ta74/1.0/_/download/batch/jira.webresources:bigpipe-js/jira.webresources:bigpipe-js.js","startTime":330.09999999403954,"connectEnd":330.09999999403954,"connectStart":330.09999999403954,"domainLookupEnd":330.09999999403954,"domainLookupStart":330.09999999403954,"fetchStart":330.09999999403954,"redirectEnd":0,"redirectStart":0,"requestStart":493,"responseEnd":727.5999999940395,"responseStart":721.5,"secureConnectionStart":330.09999999403954},{"duration":405.70000000298023,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bv2/820016/12ta74/1.0/_/download/batch/jira.webresources:bigpipe-init/jira.webresources:bigpipe-init.js","startTime":330.19999999552965,"connectEnd":330.19999999552965,"connectStart":330.19999999552965,"domainLookupEnd":330.19999999552965,"domainLookupStart":330.19999999552965,"fetchStart":330.19999999552965,"redirectEnd":0,"redirectStart":0,"requestStart":631.8999999985099,"responseEnd":735.8999999985099,"responseStart":734.1999999955297,"secureConnectionStart":330.19999999552965},{"duration":213.20000000298023,"initiatorType":"xmlhttprequest","name":"https://jira.mariadb.org/rest/webResources/1.0/resources","startTime":609.2999999970198,"connectEnd":609.2999999970198,"connectStart":609.2999999970198,"domainLookupEnd":609.2999999970198,"domainLookupStart":609.2999999970198,"fetchStart":609.2999999970198,"redirectEnd":0,"redirectStart":0,"requestStart":789.5,"responseEnd":822.5,"responseStart":821.6999999955297,"secureConnectionStart":609.2999999970198}],"fetchStart":1,"domainLookupStart":1,"domainLookupEnd":1,"connectStart":1,"connectEnd":1,"requestStart":96,"responseStart":314,"responseEnd":329,"domLoading":317,"domInteractive":971,"domContentLoadedEventStart":971,"domContentLoadedEventEnd":1012,"domComplete":2160,"loadEventStart":2160,"loadEventEnd":2161,"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","marks":[{"name":"bigPipe.sidebar-id.start","time":949.5},{"name":"bigPipe.sidebar-id.end","time":950.2999999970198},{"name":"bigPipe.activity-panel-pipe-id.start","time":950.5},{"name":"bigPipe.activity-panel-pipe-id.end","time":953},{"name":"activityTabFullyLoaded","time":1023.0999999940395}],"measures":[],"correlationId":"a801fa7db0ca39","effectiveType":"4g","downlink":10,"rtt":0,"serverDuration":158,"dbReadsTimeInMs":24,"dbConnsTimeInMs":43,"applicationHash":"9d11dbea5f4be3d4cc21f03a88dd11d8c8687422","experiments":[]}}