Sounds like you're potentially hitting a bug, maybe even one that hasn't been hit before. How are you determining it's counters that are the problem? Is it stalling on the Initializing counters log line or something?
raft.so - Cassandra consulting, support, and managed services On Mon, Apr 26, 2021 at 3:25 AM Gil Ganz <gilg...@gmail.com> wrote: > Hey > I have a cluster, 3.11.6, startup is very slow, i3en.xlarge server with > about 1tb of data, takes 45 minutes to startup, almost 40 minutes of that > is loading the saved counter cache from disk (200mb), and I can see that in > these 40 minutes the amount of data read from disk is very high, up to > 700MB/s. Counters is a feature that is used heavily in this environment, > including the main table in the db, which is half the data size. > > What can cause such a slow load of such a small cache? Is there something > that can be done to make this quicker? > > Gil >
