Reducing the replication factor

2018-01-09 Thread Alessandro Pieri
Dear Everyone, We are running Cassandra v2.0.15 on our production cluster. We would like to reduce the replication factor from 3 to 2 but we are not sure if it is a safe operation. We would like to get some feedback from you guys. Have anybody tried to shrink the replication factor? Does

Re: Latency overhead on Cassandra cluster deployed on multiple AZs (AWS)

2016-04-12 Thread Alessandro Pieri
nto a rate limit, and who knows what AWS will do at that > point. > > -- Jack Krupansky > > On Tue, Apr 12, 2016 at 6:02 AM, Alessandro Pieri <alessan...@getstream.io > > wrote: > >> Thanks Chris for your reply. >> >> I ran the tests 3 times for 20 minutes

Re: Latency overhead on Cassandra cluster deployed on multiple AZs (AWS)

2016-04-12 Thread Alessandro Pieri
at would further impact latency on reads and GCs will > always cause hiccups in the 99th+. > > Chris > > > On Mon, Apr 11, 2016 at 7:57 AM, Alessandro Pieri <siri...@gmail.com> > wrote: > >> Hi everyone, >> >> Last week I ran some tests to estimate the l