Tracing fully on rather than sampling will definitely add substantial load, even with shorter TTLs. That's a lot of extra writes.
If it's just on for specific sessions, or is enabled but with low sampling, that's not bad in terms of load. On Mon, Nov 16, 2020 at 6:25 AM Shalom Sagges <shalomsag...@gmail.com> wrote: > Hi Guys, > > Our Service team would like to add a 3rd party tool (AppDynamics) that > will monitor Cassandra. > This tool will get read permissions on the system_traces keyspace and also > needs to enable TRACING. > tracetype_query_ttl in the yaml file will be reduced from 24 hours to 5 > minutes. > I feel and fear that using TRACING ON constantly will add more pressure on > the cluster. > Am I correct with this feeling or is it safe to use tracing on a regular > basis? > > Thanks! >
