November 2018
Intermediate to advanced
390 pages
10h 8m
English
book
Practical Site Reliability Engineering
by Pethuru Raj Chelliah, Shreyash Naithani, Shailender Singh
Content preview from Practical Site Reliability Engineering
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A circuit breaker code example
The following code is an example of a circuit breaker using Ballerina. It will be listening on the port:9090 TCP, as well as on port:9091 TCP. The code is much more readable for programmers than the code for other languages:
//Circuit breaking example from https://ballerina.io/import ballerina/http;import ballerina/io;string previousRes;endpoint http:Listener listener {port:9090};// Endpoint with circuit breaker can short circuit responses under// some conditions. Circuit flips to OPEN state when errors or// responses take longer than timeout. OPEN circuits bypass// endpoint and return error.endpoint http:Client legacyServiceResilientEP {url: "http://localhost:9091",circuitBreaker: {// Failure calculation window ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.