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From Viktor Jevdokimov <Viktor.Jevdoki...@adform.com>
Subject Cassandra on Windows network latency
Date Thu, 29 Apr 2010 11:12:53 GMT
Hi all,

We have installed Cassandra on Windows and found that with any number of Cassandra (single,
or 3 node cluster) on Windows Vista or Windows Server 2008, 32 or 64 bit, with any load or
number of requests we, have:

When client and server are on the same machine, connect/read/write latencies ~0-1ms
When client on another machine, same network, on the same switch, connection latency 0-1ms
(as a ping), read/write latencies >=200ms.

What causes 200ms latency accessing Cassandra on Windows through network? Does anybody experience
such behavior?

Cassandra 0.6.1
Java SE 6 u20


Best regards,
Viktor


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