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This is documentation for the next version of K6. For the latest stable release, go to the latest version.

Open source

Client.expire(key, seconds)

Sets a timeout on key, after which the key will automatically be deleted. Note that calling Expire with a non-positive timeout will result in the key being deleted rather than expired.

Parameters

ParameterTypeDescription
keystringthe key to set the expiration of.
secondsnumberthe value in seconds to set the expiration to.

Returns

TypeResolves withRejected when
Promise<boolean>On success, the promise resolves with true if the timeout was set, and false if the timeout wasn’t set.

Example

JavaScript
import redis from 'k6/experimental/redis';

// Instantiate a new redis client
const redisClient = new redis.Client('redis://localhost:6379');

export default async function () {
  await redisClient.set('mykey', 'myvalue', 10);
  await redisClient.expire('mykey', 100);

  const ttl = await redisClient.ttl('mykey');
  if (ttl <= 10 || ttl >= 100) {
    throw new Error('mykey should have a ttl of 10 <= x < 100');
  }
}