Cloudflare Error 524 Ray ID: 4b00275dcedcc536 • 2019-02-28 04:31:44 UTC A timeout occurred - Overclock.net - An Overclocking Community

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Cloudflare Error 524 Ray ID: 4b00275dcedcc536 • 2019-02-28 04:31:44 UTC A timeout occurred

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post #1 of 14 (permalink) Old 02-27-2019, 08:46 PM - Thread Starter
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Cloudflare Error 524 Ray ID: 4b00275dcedcc536 • 2019-02-28 04:31:44 UTC A timeout occurred

Happened when I tried to access the latest unread post in the following thread from my subscriptions page:

Click image for larger version

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ID:	256334

Code:
https://www.overclock.net/forum/61-water-cooling/528648-official-heatkiller-club-new-post.html
Click image for larger version

Name:	2019-02-27_23-33-23.jpg
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Error 524 error indicates that Cloudflare made a successful TCP connection to the origin web server, but the origin did not reply with an HTTP response before the connection timed out. Typically, Cloudflare waits 100 seconds for an HTTP response.

See Cloudflare: Error 524: A timeout occurred for pertinent info and additional troubleshooting procedures.

Also see (source):

Quote:
Quick Fix Ideas
  1. This error is commonly caused by a long-running process on the origin server, such as a PHP application or a database query which the web server must wait on before responding to a request. This can also be caused by your origin server being overloaded - so as a first step it’s a good idea to check your server’s available resources, including CPU and RAM, and overall traffic levels. If your server has a high CPU load, or is low on memory, this could indicate a resource problem.
  2. Investigate for issues at your origin server that might result in responses taking longer than 100 seconds to be generated. Ask your hosting provider/system administrator to check if there are any server issues. Reviewing your webserver access/error logs would be a good place to locate this information.
  3. You should check your server health metrics such as available CPU & RAM and if you’re using a Database server, that should be checked as well for long-running queries. Review your origin webserver access/error logs which may provide more information on why those requests are timing out.
  4. If you need to have scripts that run for longer than around 100 seconds without returning any data to the browser, you can’t run these through CloudFlare. There are a couple of options: Run the scripts via a grey-clouded subdomain or change the script so that it kicks off a long-running background process and quickly returns a status which the browser can poll until the background process has completed, at which point the full response can be returned. This is the way most people do this type of action as keeping HTTP connections open for a long time is unreliable and can be very taxing also.
  5. Your hosting provider has made server changes to their Railgun settings which resulted in Error 524. Go to the Cloudflare dashboard, select Speed, Railgun and test & select a working connection from the list of options.

A useful script: Fixing Cloudflare Error 524

A plethora of additional, relevant links.

Good luck

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Last edited by iamjanco; 02-27-2019 at 09:07 PM.
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post #2 of 14 (permalink) Old 02-27-2019, 08:47 PM
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Yeah, happened to me when I tried to edit a post I made in another thread. Took like 10 minutes of refreshing to edit my post.

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post #3 of 14 (permalink) Old 02-27-2019, 11:46 PM
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This is being combined with another report of my own and others of this issue to VS !


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post #4 of 14 (permalink) Old 02-28-2019, 03:49 AM
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Ironically I received the same trying to access this thread.
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ID:	256370  


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post #5 of 14 (permalink) Old 02-28-2019, 08:29 AM - Thread Starter
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Quote: Originally Posted by ENTERPRISE View Post
This is being combined with another report of my own and others of this issue to VS !
You might have them also try this while measuring response time from the server:

  1. Open a forum index page that has at least some linked threads reflecting new/updated content (e.g., the home page, the my subscription page, a subforum index page, etc);
  2. Using the down arrow to the left of one of those threads (preferable a larger thread), try accessing its latest content ensuring you right click on the down arrow and select open in a new tab;
  3. Record the timing results, but do not refresh the original index page being used for testing;
  4. Go back to Step 2 above and rinse and repeat, right-clicking on the same down arrow used the first time.

On OCN, I tend to open posts using the process above, and usually don't refresh the original index page until I'm done reviewing everything I want to. What doesn't get updated (cleared) on the original index page I'm using to access updated threads are the new-post links associated with those down arrows, e.g., //www.overclock.net/forum/61-water-cooling/528648-official-heatkiller-club-new-post.html

Just something else that came to mind.

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Last edited by iamjanco; 02-28-2019 at 08:40 AM.
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post #6 of 14 (permalink) Old 02-28-2019, 05:17 PM - Thread Starter
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Just got the error again:

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post #7 of 14 (permalink) Old 02-28-2019, 05:56 PM
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I received this error today as well. I clicked on a thread link, but that's all.



Sorry. Didn't get a screenshot. I was at work.

Last edited by LancerVI; 02-28-2019 at 06:59 PM.
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post #8 of 14 (permalink) Old 03-02-2019, 09:00 AM
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I got this error again, but from home this time. Again, just clicking on a thread link. I actually got it again when trying to post this very screenshot.
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post #9 of 14 (permalink) Old 03-02-2019, 09:10 AM
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Yep, still happening here too. Most threads are fine but when trying to post or edit a post I run into it.

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post #10 of 14 (permalink) Old 03-02-2019, 12:14 PM - Thread Starter
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I'm still running into it as well.

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