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Editorial Team
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Asked: 2026-05-26T20:36:37+00:00

Using: Rails 3.0.3 & Heroku & Execution Notifier & New Relic I get a

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Using: Rails 3.0.3 & Heroku & Execution Notifier & New Relic

I get a lot of execution expired all throughout my website. I have recently realized that I have a part of the website that caused an infinite loop (and thus a memory error).

Question #1: Is it very likely that, when this infinite loop occured, that it would affect the entire website making all others have to wait for it to stop/crash and thus causing them execution expired (which I believe is 30 sec at Heroku).

Question #2: It seems like my website is quite slow. Can you recommend any service I can use to pinpoint what is actually taking time? I have seen some graphical service before with columns on how much each part took to load (like image2 = 3 ms, this javascript = 3002 ms and so on). How else can I troubleshoot or handle Execution Expired errors (referrals to good guides etc is appreciated).

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1 Answer

  1. Editorial Team

    1) likely depends on how many dynos you have, but if it’s a common issue then they could potentially all be locked up simultaneously.

    2) New Relic is excellent. It’ll let you pinpoint slow actions, drill in and inspect queries, etc.

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