On Thu, Jan 8, 2015 at 9:57 AM, Reik Schatz <reik.sch...@gmail.com> wrote:
> > > org.apache.cassandra.db type=StorageProxy TotalHints - is this the > number of hints since the node was started or a lifetime value > Since the node was started. > > org.apache.cassandra.db type=StorageProxy ReadRepairRepairedBackground > - is this the total number of background read repair requests that the > node received since > restart? > It's the number of background read repairs that the node coordinated since restart > > org.apache.cassandra.db type=StorageProxy ReadRepairRepairedBlocking - > same as above, I assume thats the number of read repairs that have > blocked a query (when does that even happen - aren't read repairs run > in the background) > For reads, the coordinator typically sends a request for data to one replica and a request for a digest to the other replicas. If the digests don't match (or don't match the data), a full data request is made (to make sure the correct results are returned) and the replicas with stale data are repaired. > > org.apache.cassandra.metrics type=Storage name=Exceptions Count - is > this the total number of unhandled exceptions since node restart? Yes. -- Tyler Hobbs DataStax <http://datastax.com/>
