# All channels
Sachin D. Shinde@sachin-shinde
Subscriptions over Redis (instead of WebSocket) and Java Client
Hi, I'm newbie to Apollo and GraphQL, and I'm looking at consuming data from the GraphQL server from a Java application. My intention is the Java app to subscribe to GraphQL changes over Redis. However, the only implementation that I've found from the Apollo-Android project is…
Why not use websocketlink for queries and mutations?
The documentation explicitly recommends against it, but does not say why. It seems faster and lighter on the server to me. So why is that? Related question: why does the documentation recommend: "In the majority of cases, your client should not use subscriptions to stay up to…
Trying to figure out how to capture a client unsubscribing ..
The life-cycle event doc indicate that he OnOperation and OnOperationComplete should trigger when the client stops a subscription (eg hitting the stop button in graphql playground). But in my case nothing happens ..only the OnDisconnect is called when i close the tab/browser.…
graphql-subscriptions memory leak
This is related to the following pull request: https://github.com/apollographql/graphql-subscriptions/pull/209 We run a lot of instances of graphql-subscriptions along side the apollo graphql server. We're experiencing a lot of memory leak related problems that relate to the…
subscription Setup Not Working
hello , After going through the Apollo Documentation, I havee setup my existing Apolloexpress Server to addd subscription . apolloServer.installSubscriptionHandlers(httpServer); i am trying to do a publish via following code to somethingChanged Topic …
Subscriptions with horizontal scaling
I have my backend replicas in order to provide horizontal scaling. Back end has apollo graphql subscriptions. There is also a microservice providing notifications for particular subscriptions. Since I don't keep any state in backend, I've tried to solve the problem with…