OTOY Forums

Hi Karba and Marcus,

I have problem with saving images from net rendering. When I leave calculate image during night in big resolution like 3k-5k, I lost samples from one or more machines during saving. I don´t know if it is bug or some problem on my side.
My scenes are very big, they fill 3-4g of my titans.

Thank you for reply.

Jan

if you have render like i had : http://render.otoy.com/forum/viewtopic. ... 75#p156675
one of your card is "dead"

Thank you for reply.
My problem is different.

Jan

jan kudelasek wrote:Hi Karba and Marcus,

I have problem with saving images from net rendering. When I leave calculate image during night in big resolution like 3k-5k, I lost samples from one or more machines during saving. I don´t know if it is bug or some problem on my side.
My scenes are very big, they fill 3-4g of my titans.

Thank you for reply.

Jan

what octane version do you use?

Hi thanks for reply,

I´m using 2.02 because I can´t save image in 2.03.

I noticed that in 2.xx versions I can´t render older big scenes made in 1.xx. Everytime I need to do some optimalization.
For example, I have scene which filled 3,6 GB from my Titan´s. I want to add some other geometry (sofa for example..nothing big), but render is failed. Why? Here are some error logs which came with this problem.

Now I´m using only one slave and saving works fine. Maybe this problem comes with first problem.

Thanks
Jan

lost samples during saving from slaves again in different scenes. sometime it's works fine but mostly not..please help.

thank you
jan

I have seen this too.

Sometimes when a slave is taken out, the master removes all the samples the slave had previously rendered.
It has also happened more than once when I cloned image to the max frame buffer.
/other factors
Version 2.02 (all slaves same)
All slaves and master are rendering on 6gb cards
Big scenes - 4gb+ vram used
resolutions were 3500+ pixels across 16:9.

Thank you for reply Whalehunter,

it´s look like a bug. Net rendering is unusable for 90% of my work.

Jan

I just lost 16hrs of net rendered samples from 6gpus... (4 network pc's)

Knowing that there was a bug sometimes with *copying to the max buffer and losing samples, I thought I would try and remove each network machine (by unchecking the network rendering tab) one at a time to see if the samples remained before I saved the image.

*lost samples can happen if something thinks the slaves heart beat is stopped.

so...
removed 1st slave. samples remained
removed 2nd slave - samples were removed
removed 3rd slave - samples were removed
gave up and cloned to the max buffer while there was the possibility of keeping remaining slave's 3xgpu samples...

remaining network rendered samples were lost... (obviously a BIG problem).

Error on the slaves: detected that slave's heart beat has stopped. / slave did not stop gracefully.

render size: 8600x6708
vram: 4.9GB
7x6GB gpu's
RAM on master 16gb - using all of it.

should I render through backburner with networked gpu's enabled instead? or commence with the furniture tipping!?

Yep this happened to me also. Is it possible for octane to cache and save samples? It would be good if Octane could continue a render from an existing cache. and also not lose samples.