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From Eric Evans <>
Subject Re: How is Cassandra being used?
Date Thu, 17 Nov 2011 10:17:48 GMT
On Thu, Nov 17, 2011 at 1:16 AM, Jeremy Hanna
<> wrote:
> Sounds like it would be best if it were in a separate jar for people?

A separate jar (distributed separately) sounds like the best way to
setup an opt-in arrangement without forcing people to patch-out the
affected bits.

> On Nov 16, 2011, at 4:58 PM, Bill wrote:
>> > Thoughts?
>> >
>> We'll turn this off, and would possibly patch it out of the code. That's not to say
it wouldn't be useful to others.
>> Bill
>> On 15/11/11 23:23, Jonathan Ellis wrote:
>>> I started a "users survey" thread over on the users list (replies are
>>> still trickling in), but as useful as that is, I'd like to get
>>> feedback that is more quantitative and with a broader base.  This will
>>> let us prioritize our development efforts to better address what
>>> people are actually using it for, with less guesswork.  For instance:
>>> we put a lot of effort into compression for 1.0.0; if it turned out
>>> that only 1% of 1.0.x users actually enable compression, then it means
>>> that we should spend less effort fine-tuning that moving forward, and
>>> use the energy elsewhere.
>>> (Of course it could also mean that we did a terrible job getting the
>>> word out about new features and explaining how to use them, but either
>>> way, it would be good to know!)
>>> I propose adding a basic cluster reporting feature to cassandra.yaml,
>>> enabled by default.  It would send anonymous information about your
>>> cluster to an VM.  Information like, number (but not names)
>>> of keyspaces and columnfamilies, ks-level options like compression, cf
>>> options like compaction strategy, data types (again, not names) of
>>> columns, average row size (or better: the histogram data), and average
>>> sstables per read.
>>> Thoughts?

Eric Evans
Acunu | | @acunu

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