The maximum limit for sqm_cache_size has been increased to 4096 from the previous limit of 512.
Increasing the upper limit for sqm_cache_size allows Replication Server to keep more transactions in cache, which affects the overall performance of cache searches.
See
- Replication Server Reference Manual > Replication Server Commands > configure replication server
- Replication Server Administration Guide Volume 2 > Performance Tuning > Configuration Parameters that Affect Performance > Replication Server Parameters that Affect Performance