App eventually crashes about maptilesdownloader HOT 8 CLOSED

Hi

You can try downloading maps in different rectangle segments. The code is resume-supported and ignores tiles if they are already there.

But for an actual fix, can you try profiling via your browser to see what exactly is slowing it down?

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The slow down is not as much of an issue as the app eventually crashing. I think they're related; I think it's running out of memory.

Are you able to download 100k tiles in one go? I can't. Crashes.

Let's say I'm using Chrome. What exactly would you like me to test?

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Can you elaborate on what is crashing? I assume that the chrome UI crashes. In that case, can you use system monitor or task manager to show the memory/CPU graph while downloading?

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The culprit is "Google Chrome Helper (Renderer)".

I watched it double in memory usage and eventually consume 102.66% of CPU before it crashed.

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I'll have to check into that. I just downloaded about 10k tiles and it worked fine, will try a bigger subset

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As I mentioned, you need to try more than 50k for the issue to manifest.

I'm trying a different browser.

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I tried Firefox and exceeded 200k files. As far as I'm concerned, this isn't a coding issue; it's web browser issue. I'm closing the issue.

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I stumbled upon the same issue when downloading large amounts (+250k) of tiles. I use Firefox 79.0 on Ubuntu. Firefox is using with just this tab open in the end 15 of 16 GB of memory in my system and thus crashing the entire system.
I also use a modded version of log-view, but it still crashes at around 250 000 downloaded tiles.

I'm now doing it in multiple segments but a fix would be nice.

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