Lee wrote:

On 3/1/19, Paul B. Gallagher <[email protected]> wrote:
Lee wrote:

On 2/27/19, Paul B. Gallagher <[email protected]> wrote:

According to Task Manager, SM is using 1,051,192 KB of memory. Under
peak load, I would expect that to double; I haven't yet seen it reach 3
GB.

I did have some trouble this afternoon as I was perusing Google News.
For some stories, I clicked "View full coverage" and each time I did, SM
hung. As before, CPU peaked at 26–27% and RAM usage was a little over 2
GB. After two or three minutes, the cursor returned to its usual arrow
shape and CPU usage fell to under 10%. But the next time I clicked "View
full coverage," it was like standing on the brakes again.

Is this just with web pages open or do you also have mail and/or
newsgroups open at the time?

I always have Mail/News open.

<http://kb.mozillazine.org/Browser.cache.memory.capacity>
has a note that mail & newsgroups can be cached in memory, so if you
have a huge inbox or newsgroup maybe that's it?

I don't think I have "a huge inbox" -- definition? At the moment, 185
messages, 57 MB.

As for newsgroups, does this one count as huge? At the moment, three
unread of 109,466.

I don't know what you're doing that would cause
According to Task Manager, SM is using 1,051,192 KB of memory.

If you try closing mail & news what does task manager say then?

If I want to get there quickly, streaming videos. If not, I just have to run it long enough and the RAM usage will gradually creep upward. I suspect a memory leak -- closing a vid or its window has no effect on RAM usage. Even closing the browser entirely, leaving only Mail/News, doesn't change RAM usage. SM only releases RAM when the entire suite terminates. I suppose that's because the cache survives until the program terminates.

But I have noticed in recent years that when SM automatically polls and
downloads messages, everything else in the suite comes to a screeching
halt for a couple of seconds.

Yeah - not terribly surprising if SeaMonkey is single-threaded.

One thing you could try if you haven't already - set
    browser.cache.memory.max_entry_size
to -1

https://developer.mozilla.org/en-US/docs/Mozilla/Preferences/Mozilla_networking_preferences

browser.cache.memory.max_entry_size     5120 (default)
        -1 = no limit
The maximum size of an entry in the memory cache (in KB).

If you've got the memory cache size set to 4GB you should probably go
without a size limit on individual cache entries.

As noted upthread, I just increased it from the default to 1 GB, and I have 8 GB of physical memory. SM's RAM usage seems to peak at 2 to 2.5 GB if I watch a lot of vids, but as noted above terminating and/or closing those windows has no effect on RAM usage.

--
War doesn't determine who's right, just who's left.
--
Paul B. Gallagher

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