Hello.
I had the same issues on full repair. I've checked on various GC
settings, the most performant is ZGC on Java 11, but I had some
stability issues. I left G1GC settings from 3.11.x and got the same
issues as yours: CPU load over 90 %, and growing count of open file
descriptors (up to max all
ogs, and looking for long
> GC pauses.
>
>
> On 12/04/2022 10:15, Azamat Hackimov wrote:
> > Hello.
> >
> > I've got two DCs with 8 hardware servers on each. After migration to
> > Cassandra 4 I have strange messages in system.log:
> >
>
Hello.
I've got two DCs with 8 hardware servers on each. After migration to
Cassandra 4 I have strange messages in system.log:
INFO [ScheduledTasks:1] 2022-04-12 12:05:58,595
MessagingMetrics.java:206 - MUTATION_RSP messages were dropped in last
5000 ms: 0 internal and 241 cross node. Mean inter
OK, I think I figured out what was wrong in my setup. Appears that
during the upgrade course I totally missed Garbage Collector settings
in jvm11-server.options. After installation from RPM it defines the
default CMS garbage collector, which is totally wrong for my hi-load
environment. I returned b
gt; when the network based filesystem loses their connection and reconnects.
>
> On 25/02/2022 06:09, Azamat Hackimov wrote:
> > Hello!
> >
> > I recently migrated Cassandra from 3.11.x to 4.0 and got strange
> > freezes on heavy load. It looks like some nodes in DC stopp
Hello!
I recently migrated Cassandra from 3.11.x to 4.0 and got strange
freezes on heavy load. It looks like some nodes in DC stopped
responding and got DN status.
I cannot check status directly on node via nodetool status or even
restart Cassandra with `systemctl restart cassandra` command. Only
