DB cluster parameters in Aurora PostgreSQL Limitless Database
You can use the following DB cluster parameters to configure Aurora PostgreSQL Limitless Database.
- rds_aurora.limitless_adaptive_fetch_size
-
Enhances batch prefetching. When set to
true, this parameter allows a self-adjusting (adaptive) fetch size for prefetching. When set tofalse, the fetch size is constant. - rds_aurora.limitless_auto_scale_options
-
Sets the options available for adding routers or splitting shards in a DB shard group. The value can be
add_router,split_shard, or both.For more information, see Adding a router to a DB shard group and Splitting a shard in a DB shard group.
- rds_aurora.limitless_distributed_deadlock_timeout
-
The amount of time to wait on a lock before checking whether there is a distributed deadlock condition, in milliseconds. The default is
1000(1 second).For more information, see Distributed deadlocks in Aurora PostgreSQL Limitless Database.
- rds_aurora.limitless_enable_auto_scale
-
Enables the adding of routers and splitting of shards in a DB shard group.
For more information, see Adding a router to a DB shard group and Splitting a shard in a DB shard group.
- rds_aurora.limitless_finalize_split_shard_mode
-
Determines how system-initiated shard splits are finalized. For more information, see Splitting a shard in a DB shard group.
- rds_aurora.limitless_maximum_adaptive_fetch_size
-
Sets the upper limit for the adaptive fetch size. The range is
1–INT_MAX. The default is1000.
