Performance

Round-trip latency and performance
Ably is able to provide very low latency messaging globally through our 14+ data centres spread across 4 continents, and our intelligent shortest route mess...
Thu, 9 Aug, 2018 at 11:36 PM
Are you able to scale Ably indefinitely to meet demand?
Every component of the Ably service that is effected by increased load is designed to automatically scale pre-emptively to meet demand.  This ensures that ...
Tue, 18 Sep, 2018 at 10:53 AM
Do you have any single point of congestion that limits your global performance?
No, the Ably service, running in over 14 data centres globally, provides a true mesh distributed system ensuring that there is both no single point of conge...
Sun, 7 May, 2017 at 11:21 PM
Debugging slow REST requests
If you are seeing slow REST requests, there are a few different possible reasons why. 1. Routing. We use latency-based routing, but it occasionally happ...
Tue, 23 Oct, 2018 at 1:04 PM
Why are some REST publishes on a channel slow, and then typically faster on subsequent publishes?
The short version Unlike other pub/sub platforms, Ably is a stateful system which provides messaging with a high quality of service.  As such, there is ...
Mon, 12 Nov, 2018 at 3:16 PM
Can I run my own latency / performance tests against your service easily?
Sure, of course you can. If you would like to run a test now, see https://jsbin.ably.io/oganib/10/edit which will give you a quick head start to test la...
Tue, 28 Aug, 2018 at 8:46 PM
Ably vs Firebase latency comparison
Last updated: 21st November, 2018 Below are the average latency results for round-trips in both Firebase and Ably of a 50 byte message over a month peri...
Wed, 21 Nov, 2018 at 1:53 PM