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Performance Optimization Guide: Difference between revisions
→Database Queues
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This mode improves the performance only for unbalanced traffic. Please use it only if required as it has a negative performance impact on balanced traffic. | This mode improves the performance only for unbalanced traffic. Please use it only if required as it has a negative performance impact on balanced traffic. | ||
=== Database | === Database queues === | ||
The database mode is an extension for large Allegros with NUMA setups and it is disabled by default. This mode is only recommended for Allegro 3500 rev1 and Allegro 5500 rev1. It helps improving very high database loads ( millions of open connections and new connections ) over multiple cpus. See [[DB mode]] for more details. | The database mode is an extension for large Allegros with NUMA setups and it is disabled by default. This mode is only recommended for Allegro 3500 rev1 and Allegro 5500 rev1. It helps improving very high database loads ( millions of open connections and new connections ) over multiple cpus. See [[DB mode]] for more details. | ||
If enabled, you can check if there are message drops between the analyzer threads and the DB threads in the load statistics. | If enabled, you can check if there are message drops between the analyzer threads and the DB threads in the load statistics. | ||