Thank you very much, I totally get it!
My biggest png is 13MB, and my biggest jpg is 3MB.
I assume that 13MB is too big to be the cuttoff!
edit : apparently it is not ! But it means that the blocksize should be 16MB. Any bad points to that ?
16M: 0 0 15.4T 0 0 15.4T 0 0 15.6T
Block Size Histogram
block psize lsize asize
size Count Size Cum. Count Size Cum. Count Size Cum.
512: 1023 512K 512K 896 448K 448K 0 0 0
1K: 495 651K 1.14M 411 553K 1001K 0 0 0
2K: 3.65K 10.2M 11.3M 3.49K 9.76M 10.7M 0 0 0
4K: 93.0K 372M 384M 8.19K 44.9M 55.7M 61.0K 244M 244M
8K: 513K 5.94G 6.32G 2.43K 24.5M 80.2M 48.9K 414M 658M
16K: 26.7K 591M 6.89G 9.18K 162M 243M 440K 10.2G 10.9G
32K: 55.2K 2.49G 9.38G 528K 16.5G 16.8G 139K 5.14G 16.0G
64K: 563K 56.2G 65.5G 3.92K 363M 17.1G 556K 55.7G 71.7G
128K: 123M 15.3T 15.4T 123M 15.4T 15.4T 123M 15.5T 15.6T
256K: 0 0 15.4T 0 0 15.4T 14 3.82M 15.6T
512K: 0 0 15.4T 0 0 15.4T 0 0 15.6T
1M: 0 0 15.4T 0 0 15.4T 0 0 15.6T
2M: 0 0 15.4T 0 0 15.4T 0 0 15.6T
4M: 0 0 15.4T 0 0 15.4T 0 0 15.6T
8M: 0 0 15.4T 0 0 15.4T 0 0 15.6T
16M: 0 0 15.4T 0 0 15.4T 0 0 15.6T
edit 2 : doesn’t seem to be a good idea to set it to 16MB : 16 MiB recordsize?!?!?!?! <--- clickbait punctuation marks for the algorithm - #37 by winnielinnie