Re: Optimizing for connections

2018-12-21 Thread Eric Stevens
RE #2, some have had good results from having coordinator-only nodes: https://www.slideshare.net/DataStax/optimizing-your-cluster-with-coordinator-nodes-eric-lubow-simplereach-cassandra-summit-2016 Assuming finite resources, it might be better to be certain you have good token awareness in your ap

Writes and Reads with high latency

2018-12-21 Thread Marco Gasparini
hello all, I have 1 DC of 3 nodes in which is running Cassandra 3.11.3 with consistency level ONE and Java 1.8.0_191. Every day, there are many nodejs programs that send data to the cassandra's cluster via NodeJs cassandra-driver. Every day I got like 600k requests. Each request makes the server

RE: [EXTERNAL] Writes and Reads with high latency

2018-12-21 Thread Durity, Sean R
Can you provide the schema and the queries? What is the RF of the keyspace for the data? Are you using any Retry policy on your Cluster object? Sean Durity From: Marco Gasparini Sent: Friday, December 21, 2018 10:45 AM To: user@cassandra.apache.org Subject: [EXTERNAL] Writes and Reads with hig