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From Johan Oskarsson <>
Subject Re: An open letter to Kelvin and Johan
Date Tue, 05 Oct 2010 02:02:58 GMT

Thanks for the email, much appreciated. I’ll be the first to admit that Kelvin and I have
made our share of mistakes along the way. In particular, we could have worked harder to clearly
explain and document our approach to counters.

In order to move this forward we are going to have a look at the alternative proposal in CASSANDRA-1546.
The general approach is worth investigation and we welcome any efforts to provide counters
to the community at-large.

We’ll also revisit CASSANDRA-1072 and see if there’s anything we can do to improve it.


On Oct 4, 2010, at 8:35 AM, Jonathan Ellis wrote:

> Kelvin and Johan,
> I've offered too much criticism and not enough encouragement for your
> work on distributed counters, for which I apologize.  It's a tough
> problem, and one which I did not fully understand at first --
> resulting in several comments that must have seemed offensively obtuse
> to people [i.e., you] who had been working on it for months.
> I don't want this to become another thread about the merits of one
> counter approach over another.  I just wanted to thank you for doing
> so much heavy lifting for us here in 580, 1072, and related tickets.
> -- 
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of Riptano, the source for professional Cassandra support

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