RetryFailed

Event v151 → current #7

Emitted when a task retry fails to reschedule due to agenda capacity or weight.

View events on chain

Useful for: developersanalytics

The Big Picture

Error condition - a retry attempt could not be scheduled due to resource constraints.

Use Cases

Debug retry failures
Monitor scheduling capacity

From Chain Metadata

The given task was unable to be retried since the agenda is full at that block or there was not enough weight to reschedule it.

Triggers

Preconditions

Task failed and retry attempted
Retry could not be scheduled

Effects

Postconditions

Retry abandoned

Side Effects

Remaining retries lost

Event Data

#	Name	Type	Description
0	task	(u32, u32)	Task address of the failed retry attempt
1	id	Option	Optional 32-byte task name (None for anonymous tasks)

Code Examples

import { ApiPromise, WsProvider } from "@polkadot/api";
import { stringCamelCase } from "@polkadot/util";

const provider = new WsProvider("wss://entrypoint-finney.opentensor.ai:443");
const api = await ApiPromise.create({ provider });

// Subscribe to RetryFailed events
api.query.system.events((events) => {
  events
    .filter(({ event }) =>
      event.section === stringCamelCase("Scheduler") &&
      event.method === "RetryFailed"
    )
    .forEach(({ event }) => {
      console.log("RetryFailed:", event.data.toHuman());
    });
});

Runtime Info

Pallet Index: 15
Event Index: 7
First Version: v151
Current Version: v393

Back to Scheduler Events