Menu
Scroll for more
This is documentation for the next version of Grafana k6 documentation. For the latest stable release, go to the latest version.
Open source
Client.hlen(key)
Returns the number of fields in the hash stored at key.
Parameters
| Parameter | Type | Description |
|---|---|---|
key | string | key holding the hash to get the fields of. |
Returns
| Type | Resolves with | Rejected when |
|---|---|---|
Promise<number> | On success, the promise resolves with the number of fields in the hash. | If the hash does not exist, the promise is rejected with an error. |
Example
JavaScript
JavaScript
import redis from 'k6/x/redis';
// Instantiate a new redis client
const redisClient = new redis.Client('redis://localhost:6379');
export default async function () {
await redisClient.hset('myhash', 'myfield', 10);
await redisClient.hset('myhash', 'myotherfield', 20);
await redisClient.hlen('myhash');
}Was this page helpful?
Related resources from Grafana Labs
Additional helpful documentation, links, and articles:
Video

Performance testing and observability in Grafana Cloud
Optimize user experiences with Grafana Cloud. Learn real-time insights, performance testing with k6, and continuous validation with Synthetic Monitoring.
Events

User-centered observability: load testing, real user monitoring, and synthetics
Learn how to use load testing, synthetic monitoring, and real user monitoring (RUM) to understand end users' experience of your apps. Watch on demand.