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<body><p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;"><span style="font-family:Noto Sans;"><span style="background-color:#fcfcfc;"><span style="font-size:-0.083em;"><span style="color:#232627;">Wow, you've been absolutely right: with more swap space, everything rendered </span></span></span></span></p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;"><span style="background-color:#fcfcfc;"><span style="color:#232627;">fine last night :-) </span></span></p>
<br /><p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;"><span style="background-color:#fcfcfc;"><span style="color:#232627;">Lesson learned: rendering 4K source clips to 4K needs more RAM then rendering </span></span></p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;"><span style="background-color:#fcfcfc;"><span style="color:#232627;">the same clips to QHD/2.5K... </span></span></p>
<br /><p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;"><span style="background-color:#fcfcfc;"><span style="color:#232627;">Have a nice day,</span></span></p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;"><span style="background-color:#fcfcfc;"><span style="color:#232627;">Bernd</span></span></p>
<br /><br /><p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">On Montag, 13. Mai 2024 19:28:52 CEST Evert Vorster wrote:</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> I have 64Gb ram, and 100Gb swap file. 4K footage is big.</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> I still don't know why Kdenlive can't just unload video clips it has not</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> used in a while, or if there is memory pressure. Reading from swap is</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> exactly as fast as reading the original from disk.</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> On Mon, May 13, 2024, 17:42 B.M. <b-misc@gmx.ch> wrote:</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > Might be - I already had a swapfile of 8 GB size in place which I use when</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > rendering for many years. (RAM is 16 GB.) But: I used to render to QHD,</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > now</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > I'm rendering to 4K UHD, so maybe I need more swap space then before. I</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > just</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > added another 8 GB swapfile, will see if this helps!</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > On Montag, 13. Mai 2024 18:22:01 CEST you wrote:</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > Hi there!</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > Keep an eye on memory usage when rendering. It may be that you are</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > running</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > out of ram, and then Kdenlive falls victim to the oom killer. One way</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > around it is to make a huge swap file and in this way never run out of</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > memory</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > On Mon, May 13, 2024, 17:07 B.M. <b-misc@gmx.ch> wrote:</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > Hi</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > I'm currently trying to get a finished project out of kdenlive (latest</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > version,</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > appimage), and I see frequent crashes (without any reason for me).</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > Basically, I split the project into several sequences and try</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > rendering</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > them</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > independently. Due to the crashes I started also rendering sequences</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > in</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > several parts (regions).</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > The problem is:</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > With each crash I also loose my render queue. Which is really bad if</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > crashes</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > happen at night, loosing also hours of potential rendering... I mean,</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > I'm</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > trying to render about 1 h of 4K movie on a ~10 year old machine (1</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > fps...)</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > In order to get rid of the "one kills all" dependency I'd like to use</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > render</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > scripts. But how is this possible (or is it possible at all) with an</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > kdenlive</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > appimage?</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > Thanks for your help.</p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > </p>
<p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">> > > > Bernd</p>
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