Dayu, If you use local quorum it won't impact read and write latencies but there will be delay in across DC replication; which may cause some application issues if it is active active. But 2ms is probably negligible to see any effect.
On Sat, Dec 15, 2018 at 11:57 AM dayu <sdycre...@163.com> wrote: > Hi all, > I am adding a new node to cassandra,but the new node is at different > DC,the ping latency between them is 2 ms. > I am wondering does the long latency would affect cluster's performance > or thoughput? > > Thank! > dayu > > dayu > 邮箱:sdycre...@163.com > > <https://maas.mail.163.com/dashi-web-extend/html/proSignature.html?iconUrl=https%3A%2F%2Fmail-online.nosdn.127.net%2Fqiyelogo%2FdefaultAvatar.png&name=dayu&uid=example%40163.com&ftlId=3&items=%5B%22%E9%82%AE%E7%AE%B1%EF%BC%9Asdycreate%40163.com%22%5D> > > Signature is customized by Netease Mail Master > <https://mail.163.com/dashi/dlpro.html?from=mail88> >