Update 1 ( 15:44:00 EST) - Here is a visualization of a set of fetch requests made by the app over a 12 hour period (approximately). Also, any information that helps us better understand what is going on under the hood would be much appreciated. Just a hunch, and if any one has real insight into MS Graph API, i'd love to know if that may be possible. I suspect that since we are asking for messages without a folder filter, it may be possible that we are stressing out the query engine. My question - What can we do to eliminate/significantly reduce the possibility of getting the 504, Gateway Timeout error from the MS Graph API? We've tried simplifying the query, reducing the number of messages we request etc., but that seems to have only limited and intermittent impact. Volume has not changed much from the time where the system was working, to now when we see many timeouts. We get the timeout for users who have large volumes of data (> 100K email messages), but occasionally do get it for users with lesser (around 18K email messages) volume. $top=100&$orderBy=lastModifiedDateTime desc&$filter=lastModifiedDateTime lt and parentFolderId ne 'JunkEmail' Prior to that for over a month of running, the same application did not experience that error, at least not in any significant frequency. Ubiq makes it easy to visualize data in minutes, and monitor in real-time dashboards.For the past week or so, we've been experiencing 504, Gateway Timeout errors while making fetching email messages from the MS Graph API. Hopefully, the above tips will help you fix 504 Gateway Timeout Error in NGINX. In this case too, you need to analyze server logs to find out which requested URLs are causing the issue and fix them soon. Sometimes application bugs, faulty plugins and poorly configured modules can also slow down or bring down your server, causing NGINX to return 504 Gateway Timeout error. Monitor your server log to see if there is any spike in traffic, identify their IP address ranges and put measures in place to regulate their incoming requests.īonus Read : How to Hide NGINX Server Version From Header Sometimes malicious attackers may flood your web server with too many requests, or slow running requests. If your web server’s firewall is not properly configured it may block many requests causing NGINX to give 504 Gateway Timeout error. Log into your proxy server and try connecting to your web server using curl/ping command.īonus Read : How to Increase File Upload Size in NGINX NGINX will also give 504 Gateway Timeout error if there are network connectivity issues between your reverse proxy server and back end web server. In such cases, just disable your CDN and try accessing your website. If your website uses CDN, it may sometimes timeout causing NGINX to return 504 Gateway Timeout error. In case of client-side problems, try flushing local DNS cache.īonus Read : How to Increase Request Timeout in NGINX In such cases, it may take anywhere between 5 minutes to 24 hours for the DNS records to be updated. In case of server side DNS problems, the issue may be because your domain name doesn’t resolve to an IP, in case you have changed your website IP address or migrated your website to a new IP. Sometimes, it may also be a signal that you need to upgrade your server.ĭNS issue can be on client side or server side. However, analyze server logs to identify the requested URLs just before your server went down, to optimize their code. Such issues get fixed automatically when server load gets balanced. One of the most common causes for 504 bad gateway is that your back end server has gone down because it got overloaded with too many requests, or some long running requests. Here are some of the key ways to fix 504 Gateway Timeout Error in NGINX. How to Fix 504 Gateway Timeout Error in NGINX Sometimes, it may be due to network issues and may get fixed automatically.īonus Read : How to Fix 502 Bad Gateway Error in NGINX This can happen due to various reasons such as application bugs, faulty plugins, poorly configured modules. When you use NGINX as reverse proxy server and it times out waiting for a response from back end web servers, it sends a 504 Gateway Timeout error to client browser. What is 504 Gateway Timeout Error in NGINX Here’s how to fix 504 Gateway Timeout error in NGINX. Users get 504 Gateway Timeout Error in NGINX when you use it as a reverse proxy server and it gets timed out waiting for a response from back end web servers.
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