3798750 - SAP HANA SQL plan cache hit ratio ~89% with frequent invalidations (low score, cache full) — troubleshooting and sizing guidance

• SQL plan cache hit ratio around 89%. 
• Frequent invalidations with reasons low score and cache full. 
• Mini-check item M1131 highlights SQL cache hit ratio and SQL parse overhead.

• SAP BW/4HANA
• SAP HANA Database Performance

parameterized queries, workload normalization, query plan reuse, cache thrashing, memory sizing strategy, BW query performance, configuration tuning, system sql section configuration, monitoring SQL cache, HANA plan management, SQLScript performance, row store considerations, code cache sizing, invalidation analysis, cache pressure , KBA , HAN-DB-PERF , SAP HANA Database Performance , Problem