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From Brandon Williams <dri...@gmail.com>
Subject Re: Mass deletion -- slowing down
Date Mon, 14 Nov 2011 01:00:37 GMT
On Sun, Nov 13, 2011 at 6:55 PM, Maxim Potekhin <potekhin@bnl.gov> wrote:
> Thanks to all for valuable insight!
>
> Two comments:
> a) this is not actually time series data, but yes, each item has
> a timestamp and thus chronological attribution.
>
> b) so, what do you practically recommend? I need to delete
> half a million to a million entries daily, then insert fresh data.
> What's the right operation procedure?

I'd have to know more about what your access pattern is like to give
you a fully informed answer.

> For some reason I can still select on the index in the CLI, it's
> the Pycassa module that gives me trouble, but I need it as this
> is my platform and we are a Python shop.

This seems odd, since the rpc_timeout is the same for all clients.
Maybe pycassa is asking for more data than the cli?

-Brandon

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