Symptom
After upgrading to Spartacus Version 4.x or SAP Composable Storefront 5.x and above with Angular 12+, you start facing performance issues like increase in response time or Rendering (SSR) starts timing out with logs like:
- "SSR rendering exceeded timeout"
- "Rendering of /page/productpage/randomsmartphone.html was not able to complete. This might cause memory leaks!"
- "PM2 log: [PM2][WORKER] Process 0 restarted because it exceeds --max-memory-restart value (current_memory=X max_memory_limit=Y [octets]"
- "1 rules skipped due to selector errors:"
Besides in Dynatrace method hotspots you may see the following pattern:
Especially walkStyleRules takes lot of time on SSR processing
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Environment
- SAP Commerce 1905+
- Spartacus 4.x
- SAP Composable Storefront
Product
SAP Commerce Cloud all versions ; SAP Commerce Cloud, composable storefront all versions ; SAP Commerce all versions
Keywords
SSR, Timeout, InlineCriticalCss, PM2, Angular, walkStyleRules , KBA , CEC-SPA , SAP Commerce Cloud Spartacus , Problem
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