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From Ben Slater <ben.sla...@instaclustr.com>
Subject Re: cassandra python driver routing requests to one node?
Date Mon, 14 Nov 2016 05:39:15 GMT
What load balancing policies are you using in your client code (
https://datastax.github.io/python-driver/api/cassandra/policies.html)?

Cheers
Ben

On Mon, 14 Nov 2016 at 16:22 Andrew Bialecki <andrew.bialecki@klaviyo.com>
wrote:

> We have an odd situation where all of a sudden of our cluster started
> seeing a disproportionate number of writes go to one node. We're using the
> Python driver version 3.7.1. I'm not sure if this is a driver issue or
> possibly a network issue causing requests to get routed in an odd way. It's
> not absolute, there are requests going to all nodes.
>
> Tried restarting the problematic node, no luck (those are the quiet
> periods). Tried restarting the clients, also no luck. Checked nodetool
> status and ownership is even across the cluster.
>
> Curious if anyone's seen this behavior before. Seems like the next step
> will be to debug the client and see why it's choosing that node.
>
> [image: Inline image 1]
>
>
> --
> AB
>

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