Re: Re: streaming stuck on joining a node with TBs of data

2020-08-04 Thread onmstester onmstester
OK. Thanks I'm using STCS. Anyway, IMHO, this is one of the main bottlenecks for using big/dense node in Cassandra (which reduces cluster size and data center costs) and it could be almost solved (at least for me), if we could eliminate number of sstables at receiver side (either by sending big

Re: many instances of org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier$1 on the heap

2020-08-04 Thread jelmer
It happened again today and I had a bit more time to probe stuff. It seems all non periodic tasks execute on a single thread. so if one thread where to get stuck work would simply pile up until out of memory, i did a series of stack dumps and it always seemed to look something like this "NonPeriod