Question: Coordinator in cassandra

[Thouraya TH <th...@gmail.com>]

Hi all;

Please with the version cassandra 2.0.6, we have by default one coordinator
per data center, per client or per query ?


Thank you so much for help.
Kind Regards.

RE: Question: Coordinator in cassandra

[Alec Collier <Al...@macquarie.com>]

Hi Thouraya,

In all versions of Cassandra, each query will have one coordinator. Any node in the cluster can be the coordinator and this is choice is made by the client/driver. The coordinator may or may not have a replica of the data being requested.

Cheers,

Alec Collier | Workplace Service Design
Corporate Operations Group - Technology | Macquarie Group Limited •

From: Thouraya TH [mailto:thouraya87@gmail.com]
Sent: Wednesday, 19 August 2015 2:48 AM
To: user@cassandra.apache.org
Subject: Question: Coordinator in cassandra

Hi all;

Please with the version cassandra 2.0.6, we have by default one coordinator per data center, per client or per query ?

Thank you so much for help.
Kind Regards.

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