I also still see this
Error failed when calling List.rollup: while encoding: cannot iterate through the list: cannot initialize iterator when calling List.iterate: cannot read initial list part for list with base key
I was interested to know if the data was in-fact there and I had previously applied the following which does succeed but is extremely slow as I’m effectively searching back in time for the key. In one attempt it was 40k timestamps behind.
link to ./posting/list.go
I found that by changing my snapshot after, memTableSize and disk performance (10000 IOPS & 1000 MPBS) I able to alleviate the pressure of it occurring.
i.e. --snapshot_after=1000 --badger=memTableSize=536870912
Has it got something to do with compaction and rollups occurring simultaneously?