scheduling_lookahead is now lookahead and is set to 3 not 2 on Polkadot

Author: brunopgalvao

develop/parachains/maintenance/asynchronous-backing.md

@@ -24,12 +24,11 @@ The relay chain needs to have async backing enabled so double-check that the rel
     "max_candidate_depth": 3,
     "allowed_ancestry_len": 2
 },
-"scheduling_lookahead": 2
 ```
-This can be found in the relay chain's runtime. You can see the Polkadot [`async_backing_params`](https://github.com/polkadot-fellows/runtimes/blob/d49a9f33d0ea85ce51c26c84a70b61624ec06901/relay/polkadot/src/genesis_config_presets.rs#L131-L134){target=\_blank} as an example. `scheduling_lookahead` can also be set using the [`set_scheduling_lookahead`](https://paritytech.github.io/polkadot-sdk/master/polkadot_runtime_parachains/configuration/pallet/dispatchables/fn.set_scheduling_lookahead.html){target=\_blank} dispatchable.
+This can be found in the relay chain's runtime. You can see the Polkadot [`async_backing_params`](https://github.com/polkadot-fellows/runtimes/blob/d49a9f33d0ea85ce51c26c84a70b61624ec06901/relay/polkadot/src/genesis_config_presets.rs#L131-L134){target=\_blank} as an example. You also want to make sure that the `lookahead` in [`schedulerParams`](https://paritytech.github.io/polkadot-sdk/master/cumulus_primitives_core/relay_chain/struct.SchedulerParams.html){target=\_blank} is set to `3`. This can be found by found by querying the [`scheduler_params`](https://paritytech.github.io/polkadot-sdk/master/polkadot_runtime_parachains/configuration/struct.HostConfiguration.html#structfield.scheduler_params){target=\_blank} using the [`configuration.activeConfig()`](https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Frpc-polkadot.helixstreet.io#/chainstate) query in PolkadotJS.
 
 !!! warning 
-    `scheduling_lookahead` must be set to 2, otherwise parachain block times will degrade to worse than with sync backing!
+    `lookahead` must be set to 3, otherwise parachain block times will degrade to worse than with sync backing!
 
 ## Phase 1 - Update Parachain Runtime
 

llms.txt

@@ -5411,12 +5411,11 @@ The relay chain needs to have async backing enabled so double-check that the rel
     "max_candidate_depth": 3,
     "allowed_ancestry_len": 2
 },
-"scheduling_lookahead": 2
 ```
-This can be found in the relay chain's runtime. You can see the Polkadot [`async_backing_params`](https://github.com/polkadot-fellows/runtimes/blob/d49a9f33d0ea85ce51c26c84a70b61624ec06901/relay/polkadot/src/genesis_config_presets.rs#L131-L134){target=\_blank} as an example. `scheduling_lookahead` can also be set using the [`set_scheduling_lookahead`](https://paritytech.github.io/polkadot-sdk/master/polkadot_runtime_parachains/configuration/pallet/dispatchables/fn.set_scheduling_lookahead.html){target=\_blank} dispatchable.
+This can be found in the relay chain's runtime. You can see the Polkadot [`async_backing_params`](https://github.com/polkadot-fellows/runtimes/blob/d49a9f33d0ea85ce51c26c84a70b61624ec06901/relay/polkadot/src/genesis_config_presets.rs#L131-L134){target=\_blank} as an example. You also want to make sure that the `lookahead` in [`schedulerParams`](https://paritytech.github.io/polkadot-sdk/master/cumulus_primitives_core/relay_chain/struct.SchedulerParams.html){target=\_blank} is set to `3`. This can be found by found by querying the [`scheduler_params`](https://paritytech.github.io/polkadot-sdk/master/polkadot_runtime_parachains/configuration/struct.HostConfiguration.html#structfield.scheduler_params){target=\_blank} using the [`configuration.activeConfig()`](https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Frpc-polkadot.helixstreet.io#/chainstate) query in PolkadotJS.
 
 !!! warning 
-    `scheduling_lookahead` must be set to 2, otherwise parachain block times will degrade to worse than with sync backing!
+    `lookahead` must be set to 3, otherwise parachain block times will degrade to worse than with sync backing!
 
 ## Phase 1 - Update Parachain Runtime