https://issues.apache.org/jira/browse/CASSANDRA-13019 is in 4.0, you may find that tuning those thresholds
On Mon, Sep 19, 2022 at 9:50 AM Jeff Jirsa <jji...@gmail.com> wrote: > Snapshots are probably actually caused by a spike in disk IO and disk > latency, not GC (you'll see longer STW pauses as you get to a safepoint if > that disk is hanging). This is especially problematic on SATA SSDs, or nVME > SSDs with poor IO scheduler tuning. There's a patch somewhere to throttle > hardlinks to try to mitigate this. > > On Mon, Sep 19, 2022 at 3:45 AM Michail Kotsiouros via user < > user@cassandra.apache.org> wrote: > >> Hello community, >> >> I observe some GC pauses while trying to create snapshots of a keyspace. >> The GC pauses as such are not long, even though they are reported in logs. >> The problem is the CPU utilization which affects other applications >> deployed in my server. >> >> Do you have any articles or recommendations about tuning GC in Cassandra? >> >> >> >> Thank you in advance. >> >> BR >> >> MK >> >
