Re: ONE has much higher latency than LOCAL_ONE

2017-03-23 Thread Shannon Carey
datastax.com/en/cassandra/3.0/cassandra/configuration/configCassandra_yaml.html but it appears to be a valid config option. From: Eric Plowe mailto:eric.pl...@gmail.com>> Reply-To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" mailto:user@cassandra.apache.org&

Re: ONE has much higher latency than LOCAL_ONE

2017-03-22 Thread Eric Plowe
is in two DCs, and yes the client is deployed locally to each DC. From: Matija Gobec Reply-To: "user@cassandra.apache.org" Date: Tuesday, March 21, 2017 at 2:56 PM To: "user@cassandra.apache.org" Subject: Re: ONE has much higher latency than LOCAL_ONE Are you running a multi DC c

Re: ONE has much higher latency than LOCAL_ONE

2017-03-22 Thread Shannon Carey
apache.org<mailto:user@cassandra.apache.org>" mailto:user@cassandra.apache.org>> Subject: Re: ONE has much higher latency than LOCAL_ONE ONE means at least one replica node to ack the write, but doesn't require that the coordinator route the request to a node in the local data cent

Re: ONE has much higher latency than LOCAL_ONE

2017-03-22 Thread Shannon Carey
-user/o0GVBjFCHCA From: Nate McCall mailto:n...@thelastpickle.com>> Reply-To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" mailto:user@cassandra.apache.org>> Date: Tuesday, March 21, 2017 at 7:16 PM To: Cassandra Users mailto:user@cassandra.apache.org&

Re: ONE has much higher latency than LOCAL_ONE

2017-03-21 Thread Eric Plowe
Gobec > Reply-To: "user@cassandra.apache.org" > Date: Tuesday, March 21, 2017 at 2:56 PM > To: "user@cassandra.apache.org" > Subject: Re: ONE has much higher latency than LOCAL_ONE > > Are you running a multi DC cluster? If yes do you have application in both &g

Re: ONE has much higher latency than LOCAL_ONE

2017-03-21 Thread Nate McCall
On Wed, Mar 22, 2017 at 12:48 PM, Shannon Carey wrote: > > The cluster is in two DCs, and yes the client is deployed locally to each DC. First off, what is the goal of using ONE instead of LOCAL_ONE? If it's failover, this could be addressed with a RetryPolicy starting wth LOCAL_ONE and falling b

Re: ONE has much higher latency than LOCAL_ONE

2017-03-21 Thread Nate McCall
On Wed, Mar 22, 2017 at 1:11 PM, Nate McCall wrote: > > > On Wed, Mar 22, 2017 at 12:48 PM, Shannon Carey > wrote: > > > > The cluster is in two DCs, and yes the client is deployed locally to > each DC. > > First off, what is the goal of using ONE instead of LOCAL_ONE? If it's > failover, this c

Re: ONE has much higher latency than LOCAL_ONE

2017-03-21 Thread Shannon Carey
1, 2017 at 2:56 PM To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" mailto:user@cassandra.apache.org>> Subject: Re: ONE has much higher latency than LOCAL_ONE Are you running a multi DC cluster? If yes do you have application in both data centers/regions ? On Tue,

Re: ONE has much higher latency than LOCAL_ONE

2017-03-21 Thread Matija Gobec
Are you running a multi DC cluster? If yes do you have application in both data centers/regions ? On Tue, Mar 21, 2017 at 8:07 PM, Shannon Carey wrote: > I am seeing unexpected behavior: consistency level ONE increases read > latency 99th percentile to ~108ms (95th percentile to 5ms-90ms) up fro

ONE has much higher latency than LOCAL_ONE

2017-03-21 Thread Shannon Carey
I am seeing unexpected behavior: consistency level ONE increases read latency 99th percentile to ~108ms (95th percentile to 5ms-90ms) up from ~5ms (99th percentile) when using LOCAL_ONE. I am using DSE 5.0 with Datastax client 3.0.0. The client is configured with a TokenAwarePolicy wrapping a D