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da Bush Man

Geocaching.com website memory leak

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There has been an annoying memory leak on the geocaching.com website for more than 1 year.  It's only noticeable if you open web pages and leave them open for at least half a day or longer.  After that time, memory usage creeps up by 1-2 GB if you have a couple of pages open, even though you aren't accessing them.  It doesn't seem to matter if the browser is Chrome or Edge, but Chrome seems to leak a little more.  The worst offender is the page with the map view of nearby caches, but the page of personal geocache lists is also pretty bad.  There could be other pages too, but these are the ones I tend to leave open and come back to later.  Originally I had assumed it was embedded Google Maps that was the cause, but the lists page doesn't display a map, only a list of caches.

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I am not a Groundspeak developer, but I checked with Chrome and Firefox and I cannot find any evidence of a memory leak.

 

 

Here are two ways to see memory usage of a specific tab :

  • On Firefox, just type about:performance in the navigation bar.
  • On Chrome, press Shift+Esc and then Right-click on the table header of the Task Manager and enable JavaScript memory.

 

Can you give us an url and how much memory it got after a fresh reloading, and after few hours?

 

Check also that you disabled any extension because many issues come from extensions and not webpages.

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I have problems with some Google Adds that are inserted on the right panel. Looks like a Javascript problem. Large memory consumption and freezing the browser until I manage to remove the add from the page. The behaviour seems to be random.

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I’ve experienced this with Safari on macOS for years when viewing a cache.  This is the only site which will turn the browser to molasses if a page is left open for a day.

 

No extensions.

Edited by barefootguru

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Hmmm. I leave geocaching.com tabs open for days and weeks at a time with no problem, on several computers. Chrome, no extensions, but an aggressive ad blocker. So this makes me think that it is one (or more) of the ads that is the culprit.

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I don't allow ads (paying member, so why should I?), nor Google's evil trackers, also block cookiebot, and after seeing this thread, gave it a looksee myself, via about:performance in FF.  All systems normal. 

 

Then yesterday I noticed a cache-page acting sluggish (open maybe a few hours), and memory usage was massive! I know I'd viewed some log images on the page, but couldn't figure out a convincing cause.  Still a mystery. 

 

Edited by Viajero Perdido
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I've been having this same issue with Firefox.  If left for a while it kills the browser to the point where I lose internet connection entirely and my whole PC grinds to a halt.  Just happened now because I had a couple of puzzle cache pages open for a few hours as I was trying to solve them... maybe something is trying to tell me not to bother!

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I find that there are several situations with Google maps that causes this on FF - untested on other browsers.  Use street view repeatedly and it will chew up a few hundred MB each time that is never returned to the pool.

 

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On 10/25/2020 at 8:04 PM, Viajero Perdido said:

Then yesterday I noticed a cache-page acting sluggish (open maybe a few hours), and memory usage was massive! I know I'd viewed some log images on the page, but couldn't figure out a convincing cause.  Still a mystery. 

 

Another day, the very same cache page (https://coord.info/GC8QW1Y), same odd symptom with the same looked-at-a-few-images recipe.  Only this cache page.  It's so locked up right now, I couldn't even wake it up to grab the short link; I typed it manually instead.

 

I've looked at plenty of other cache pages in the meantime.  All good, with all but this one.

 

ETA: Running current Firefox on Linux Mint, NoScript blocking Google trackers, router blocking cookiebot plus much mal/adware on four blacklists. 

 

ETA after seeing following note: As with the earlier occasion, some time had passed after I'd lost interest in the page, and had gotten into other stuff in other tabs. 

 

Edited by Viajero Perdido

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OK. Having a look at 8QW1Y here.  Firefox 82.0 (64) on Win10.

I *do* have some ad blocking in place (lots of domains referred to 0.0.0.0 in hosts file)

Initial use for that page is 14.3MB.  Just sitting on that page, it remains at 14.3MB.

You talk about viewing images --

Viewed all 12 of the log images.

Memory use increased to 15MB.  No doubt images have been cached.  To check that...

Again viewed all 12 of the log images.

Memory use holding steady at 15MB.

 

Unable to replicate you problem with my configuration.

 

 

Edited by ecanderson
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The leak is real, but hard to pin down with a repeatable recipe.  I'll keep trying.

 

Just spent a few minutes - that's all - on a cache page (different than above), scrolled a bit, looked at some images, voted a couple of logs "great story" (a Canada/Norway feature), then wandered off to other tabs.

 

5 or 10 minutes later, Firefox is dragging, and this cache page is up to almost 1GB in memory usage!

 

So of course, now that I'm watching it carefully, it's behaving.  (I reloaded the page.)

 

Edited by Viajero Perdido

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