Hello/Hi/Greetings,

I have been migrating photos from a custom program I wrote into piwigo.

I am currently up to 264851 images in 31 albums, about a third of the way through.

I have been copying one folder at a time, with one folder = one album, then using synchronization to load the data. I don't load the metadata.

I have finally reached the point where the server runs out of memory and can't increase it any further, so now get the fatal error:

Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 72 bytes) in /volume1/web/piwigo/admin/site_update.php on line 786

However, if I syncronise one specific folder at a time, then I am ok.

I can do this manually for now, but in the future I will be adding photos into albums at random, so will need to be able to synchronise the whole lot at once.

Is there a fix to make the synchronise process not try and cache everything in memory? It seems like a strange process to keep consuming memory until it runs out.

Or is there a way to automate the call to each specific album, so it would just run through the albums one after the other, doing the equivalent of a full synchronise, but not running out of memory?

Piwigo version: 2.9.4
PHP version: 5.6.36
MySQL version: 5.5.5-10.3.7-MariaDB
Piwigo URL: internal