<div dir="ltr">many times crash are related to code bugs, can you be more precise?<div>what qgis version? a reproducible sequence of steps that generate teh crash (if possible)</div><div><br></div><div>btw, the best method is to report this as issue in the issue tracker adding all info necessary to try to replicate.</div><div><br></div><div>regards</div><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">Luigi Pirelli<br><br>**************************************************************************************************<br>* LinkedIn: <a href="https://www.linkedin.com/in/luigipirelli" target="_blank">https://www.linkedin.com/in/luigipirelli</a><br>* Stackexchange: <a href="http://gis.stackexchange.com/users/19667/luigi-pirelli" target="_blank">http://gis.stackexchange.com/users/19667/luigi-pirelli</a><br>* GitHub: <a href="https://github.com/luipir" target="_blank">https://github.com/luipir</a><br>* Mastering QGIS 2nd Edition:<br>* <a href="https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition" target="_blank">https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition</a><br>* Hire me: <a href="http://goo.gl/BYRQKg" target="_blank">http://goo.gl/BYRQKg</a><br>**************************************************************************************************</div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, 22 Nov 2018 at 07:42, Patrick Dunford <<a href="mailto:enzedrailmaps@gmail.com">enzedrailmaps@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi<br>
<br>
I have some questions about how Qgis engages with the memory management <br>
system, specifically Linux.<br>
<br>
I have had a few crashes on my computer where the software crashes where <br>
it looks like some sort of memory limit has been reached.<br>
<br>
On each time I have seen the software unexpectedly crash the computer's <br>
physical memory was approximately three quarters used and there was no <br>
swap being used.<br>
<br>
This computer has 32 GB of RAM and 50 GB of swap. The disk that holds <br>
the swap is an SSD with a / partition and a swap partition, whereas <br>
/home is on a separate set of disks.<br>
<br>
I see the swap being used all the time by other applications but I have <br>
never seen a swap file being engaged when I am using Qgis, because it <br>
always would crash or show some other apparent resource-limitation <br>
behaviour before the physical memory was all used up and no swap was <br>
being used.<br>
<br>
Swap is used regularly by other apps on this computer, notably Gimp.<br>
<br>
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