Thanks a lot. We are working on removing views and control the partition size. I hope the improvements help us
Best regards Gb Erick Ramirez <erick.rami...@datastax.com> 于2020年4月16日周四 下午2:08写道: > GC collector is G1. I ever repair the node after scale up. The JVM issue >> reproduced. Can I increase the heap to 40 GB on a 64GB VM? >> > > I wouldn't recommend going beyond 31GB on G1. It will be diminishing > returns as I mentioned before. > > Do you think the issue is related to materialized view or big partition? >> > > Yes, materialised views are problematic and I don't recommend them for > production since they're still experimental. But if I were to guess, I'd > say your problem is more an issue with large partitions and too many > tombstones both putting pressure on the heap. > > The thing is if you can't bootstrap because you're running into the > TombstoneOverwhelmException (I'm guessing), I can't see how you wouldn't > run into it with repairs. In any case, try running repairs on the smaller > tables first and work on the remaining tables one-by-one. But bootstrapping > a node with repairs is a very expensive exercise than just plain old > bootstrap. I get that you're in a tough spot right now so good luck! > -- Thanks Guo Bin