Get http://localhost:8080: readLoopPeekFailLocked: read tcp [::1]:60834->[::1]:8080: read: connection reset by peer

[ghost]

Running the example test here and 10000 users with a hatch rate of 50. I get:

readLoopPeekFailLocked: read tcp [::1]:60834->[::1]:8080: read: connection reset by peer

I have had it running at 30,000 users with one Boomer.

mac OS Sierra, 8GB, 2 cores

Thanks

[ghost]

Ran:

 go get github.com/myzhan/boomer

Now:

Get http://localhost:8080: net/http: HTTP/1.x transport connection broken: http: putIdleConn: too many idle connections

[myzhan]

Don't put a time.Sleep in your code, you may need boomer's max RPS support.

Try to run with --max-rps 10000.

[ghost]

Thanks, I noticed that last night. Any chance of a timed linear ramp-up to 10,000 RPS?

[myzhan]

Try this

https://github.com/myzhan/boomer/blob/master/examples/pacing_rps.go

[ghost]

Do you feel there is any value to the Locust UI now, especially users and hatch rate?

[myzhan]

You mean locustio/locust#646 ?

Locust has no support for RPS control, so far.

[ghost]

Sorry for the spam everyone, but I think this is what you are inferring.
https://github.com/bbc/locust-load-tests/tree/master/examples/urlbash

However, the hatch rate, Locust RPS and server RPS are out of sync.

• 1000 users with a hatch rate of 1 in the Locust UI.
• --max-rps 1000

[myzhan]

The hatch rate is related to the number of goroutines(users), not the RPS. In this case, 10 users or 1000 users, make no difference.

If you run with --max-rps 1000, the RPS of both locust and server, should be very close.

[ghost]

And they are, thank you very much. Do you think we could also increase file descriptors, decrease TCP TIME_WAIT and increase idleConnections?

[myzhan]

Only if you want to know how many long connections the server can handle, not the max requests it can process per second.

[ghost]

I am willing to pay a bounty to add a linear ramp-up as a command line flag (e.g.) -rps=1 which would increase to the --max-rps. adrian underscore lewis at hushmail dot com.

[myzhan]

Adding a command line flag (e.g.) request-increase-rate=1 which would increase from zero to -max-rps, or infinity if max-rps is disabled.

[ghost]

Hi @myzhan Shall I put the request on here: https://www.bountysource.com?

[myzhan]

Cool, thanks for letting me know such a website.