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Private instance of webpagetest slows down after a couple days of saturation
04-06-2018, 07:59 AM
Post: #2
RE: Private instance of webpagetest slows down after a couple days of saturation
We've run into it, but we also do a lot more on top of what WPT does so it's been hard to tell where the cause is. One thing that helped a lot is to set the polling rate of the agents. I think it defaults to 5s, but setting it to 10 helped a lot. I suspect that since all of the queues and test info is stored on disk, each time WPT needs to check for jobs is quite heavy, so reducing this helped us.

There are also instances where it fails to load these files from disk, so I've added a simple retry in these areas.

Also, since I don't get to speak to others running a private instance where they increase the allowed number of runs higher than 9, have you run into any cases where an agent continues running already completed tests after it should be done? I submitted the issue here: https://github.com/WPO-Foundation/webpag...ssues/1074 but it doesn't seem like anyone has run into it.
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RE: Private instance of webpagetest slows down after a couple days of saturation - vincent - 04-06-2018 07:59 AM

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