Yes, it will have negative impact. Avoid doing it if you can Sent from my iPhone
> On Dec 15, 2018, at 12:18 PM, dayu <sdycre...@163.com> wrote: > > Nitan, > thanks for your reply. > The new node in different DC is added as same DC, so i mean I use quorum > or all for three replicate not local quorum. > does the long latency will block coordinate and affect the performance？ > > dayu > > > dayu > 邮箱：sdycre...@163.com > Signature is customized by Netease Mail Master > > On 12/16/2018 02:00, Nitan Kainth wrote: > 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 >> Signature is customized by Netease Mail Master
