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Garbage collection is when the browser reclaims memory. This is possibly a symptom of frequent garbage collections. A page's performance is delayed or appears to pause frequently.Memory bloat is when a page uses more memory than is necessary for optimal page speed.

This is possibly a symptom of memory bloat.

A page's performance is consistently bad.

A memory leak is when a bug in the page causes the page to progressively use more and more memory over time. This is possibly a symptom of a memory leak.

A page's performance gets progressively worse over time.

Users can perceive memory issues in the following ways: Memory issues are important because they are often perceivable by users. In the spirit of the RAIL performance model, the focus of your performance efforts should be your users.

Find out when new memory is being allocated in your JS heap with Allocation Timeline recordings.

Identify detached DOM trees (a common cause of memory leaks) with Heap Snapshots.

Visualize memory usage over time with Timeline recordings.

Find out how much memory your page is currently using with the Chrome Task Manager.

#Not enough memory to open webpage how to#

Anyone might know why? My DBs are now just 333 and 334 and they're relatively small in terms of memory.Learn how to use Chrome and DevTools to find memory issues that affect page performance, including memory leaks, memory bloat, and frequent garbage collections. I get "the page is not available" when I'm in the section instead of a link to the created page. I'm still having issues displaying the webpage when I go to the "User Pages" section when connecting to the PLC's IP address. I kept it with other HTML projects in the same folder, so my guess is that it would try to fragment everything with an HTML extension instead of JUST the specified document. I've solved the issue by isolating the HTML template to its own folder. So there's no difference in terms of the number of generated blocks depending on how much is on the webpage.Īny help on this would be greatly appreciated! Thanks. When I shortened it to JUST the header text, the same number of DBs was created. This did nothing except cause issues with the I started with a no memory card, then moved to 4MB, and now I'm at 2GB with no way to load to the PLC.Ĥ) Originally, the webpage had more text and some buttons to be able to change DB values.

#Not enough memory to open webpage download#

This allows me to download to the PLC just fine, but the webpage cannot be displayed.Ģ) Manually creating the desired DBs. Can someone clue me in as to what I should check?ġ) Keeping DB 333 and 334 in the Web Server folder and deleting 335-731. I've got a 2GB Simatic card inserted and it still says there's not enough space even when the entire project is less than 2MB without the web server service activated. This issue with the high number of DBs is causing memory problems with the PLC. The webpage I'm trying to load onto it is fairly simple (just some header text to test with). Am I doing something wrong? Do I have something checked during the web server setup that shouldn't be?

#Not enough memory to open webpage manuals#

From all the tutorial videos and manuals I've seen, this is way too many blocks. When I generate the blocks after I select the directory where the HTML file is located, the PLC wants to create and additional 400 blocks (398) on-top of DB 333 and DB 334 in the Web Server system blocks folder.

I've been trying to set up a user defined web page for my S7-1200, but I keep running into an issue regarding the size of the project file after the block generation for the HTML page is carried out.