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Re: Does long latency affect Cassandra's performance


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 <sdycreate@xxxxxxx> 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?