D 0?
> I would think software RAID 0 would be fine since there is no actual
> computation being done...
> Thanks!
>
> -Eric
>
> On Thu, Mar 11, 2010 at 1:16 PM, Ryan King wrote:
>>
>> Even without major compaction, you can get significant imbalances in
>>
On Thu, Mar 11, 2010 at 10:45 AM, Jonathan Ellis wrote:
> Except that for a major compaction the whole thing gets put in one
> directory. That's the problem w/ the JBOD approach.
Even without major compaction, you can get significant imbalances in
how much data is on each disk which will bottlen
I'm already committed to talking about cassandra that day at our
company's developer conference (chirp.twitter.com).
-ryan
On Tue, Mar 9, 2010 at 6:26 PM, Jeff Hodges wrote:
> I'm down.
> --
> Jeff
>
> On Tue, Mar 9, 2010 at 6:18 PM, Jonathan Ellis wrote:
>> I can make it. \o/
>>
>> On Tue, Mar
On Wed, Mar 3, 2010 at 9:27 AM, Eric Evans wrote:
> On Wed, 2010-03-03 at 16:49 +, Christopher Brind wrote:
>> So is the current general practice to connect to a known node, e.g. by
>> ip address?
>
> There are so many ways you could tackle this but...
>
> If you're talking about provisioning/
2010/3/3 Ted Zlatanov :
> On Wed, 3 Mar 2010 09:04:37 -0800 Ryan King wrote:
>
> RK> Something like RRDNS is no more complex that managing a list of seed
> nodes.
>
> How do your clients at Twitter find server nodes? Do you just run them
> local to each node?
RRDNS +
2010/3/3 Ted Zlatanov :
> On Wed, 03 Mar 2010 10:43:19 -0600 Eric Evans wrote:
>
> EE> It's entirely possible that you've identified a problem that others
> EE> can't see, or haven't yet encountered. I don't see it, but then maybe
> EE> I'm just thick.
>
> Getting back to my original question, how
I guess I should take this opportunity to say that we at Twitter are
hiring aggressively for people to work on and around cassandra. Feel
free to email me your resume. :)
-ryan
On Tue, Mar 2, 2010 at 6:01 PM, Peter Halliday
wrote:
> I'm looking for work. My previous employer was a non-profit th
On Sun, Feb 21, 2010 at 7:07 PM, JKnight JKnight wrote:
> Dear all,
>
> I want to change partitioner from Random to OrderPreserving. How can I do
> with old data?
There's no easy way to do this. You'll likely have to reload your data.
-ryan
I'd be interested in another hackathon and I'm sure we could help out
in some way.
An intro would be good, and I think we have a lot more people
qualified to do so.
-ryan
On Wed, Jan 27, 2010 at 9:00 AM, Jonathan Ellis wrote:
> At the hackathon Twitter hosted last year, a lot of people showed u
'^]'.
>>
>>
>> This is the last part of the log:
>>
>> INFO - Starting up server gossip
>> DEBUG - Starting to listen on localhost/127.0.0.1
>> DEBUG - Binding thrift service to /127.0.0.1:9160
>> INFO - Cassandra starting up...
>> DEBUG - Dissemina
On Fri, Jan 15, 2010 at 5:18 PM, Andrew wrote:
> Hi there,
>
> I'm trying to get Cassandra server up and going on a FreeBSD 7.1 box and I'm
> experiencing some challenges.
>
> I would like to use the Ruby client, so I have followed the instructions
> from the Up and Running with Cassandra post:
>
I just pushed an updated version of our gem that's compatible with 0.5.
http://gemcutter.org/gems/cassandra
-ryan
+1 from me, for sure.
-ryan
On Thu, Jan 7, 2010 at 10:56 AM, Eric Evans wrote:
>
> Greetings,
>
> It seems hard to believe, but it's been a little over a year now since
> Cassandra entered the Apache Incubator. The project has made an
> impressive amount of progress in that time, from expanding
On Sat, Dec 12, 2009 at 12:05 PM, Ran Tavory wrote:
> As we're designing our systems for a move from mysql to Cassandra we're
> considering moving our file storage to Cassandra as well. Is this wise?
> We're currently using mogilefs to store media items (images) of average size
> of 30Mb (400k ima
On Fri, Dec 4, 2009 at 8:44 AM, Mark Vigeant
wrote:
> Hello!
>
>
>
> Has anyone tried to run MapReduce analytics on data stored in Cassandra? I
> feel like I saw a patch once to get hadoop working on top of Cassandra, but
> I can’t find it now. I know that Hadoop integration is big on people’s
> w
At twitter we're working on using Cassandra to replace our currents
storage for all tweets. We have a cluster in production that's being
populated outside the the user-critical path (ie, the cassandra
writing is async).
Additionally, we're testing and evaluating for basically everything
else in ou
Looks great. +1
-ryan
On Wed, Nov 11, 2009 at 2:22 PM, Johan Oskarsson wrote:
> +1. A great step forward from the current version and a good base to improve
> upon.
>
> /Johan
>
> Eric Evans wrote:
>>
>> The current website is quite ugly, and I don't know about you, but I'm
>> itching to put the
On Tue, Sep 29, 2009 at 12:46 PM, Jonathan Ellis wrote:
> On Tue, Sep 29, 2009 at 2:22 PM, Igor Katkov wrote:
>> Does cassandra distributes keys evenly among DataFileDirectories?
>
> No, but it should distribute sstables evenly (which, on average,
> should be distributing keys evenly, but there w
A few quick comments:
* its not clear what column family the super column you're using is in.
* it might be useful to include the timestamps in the columns (since
they're user-supplied)
* given that the colon-delimited api has been removed, it might be
easier to explain the data model without such
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