Re: [DISCUSSION] High-volume counters in Cassandra

I cannot say anything about the implementation details of the patch or even the two different approaches. Not sure that even matters that much at this stage. What can say though is that I got the feeling that there is a lot of desire and drive in the community to get at least something in. Ignoring

Re: [DISCUSSION] High-volume counters in Cassandra

If a new api method is added for counters, the thrift interface Clock structure wouldn't be needed, but that's getting to be an implementation detail. Whether 1072 is an appropriate step forward is tangential to that issue. The patch has been refactored several times based on JIRA feedback. If th

Re: [DISCUSSION] High-volume counters in Cassandra

I still have not seen any response to my other misgivings about 1072 that I have raised on the ticket. Specifically, the existing patch is based around a Clock structure that, since 580 is a dead end, is no longer necessary. I'm also uneasy about adding 200k of code that meshes as poorly with the

Re: [DISCUSSION] High-volume counters in Cassandra

At SimpleGeo, we're close to just merging 1072 internally. I've talked with several members of the community who have already done this and are running 1072 in production or quasi-production. It seems like if this isn't merged, people are going to merge it internally anyways. I think such a wide

[DISCUSSION] High-volume counters in Cassandra

In the last few months Digg and Twitter have been using a counter patch that lets Cassandra act as a high-volume realtime counting system. Atomic counters enable new applications that were previously difficult to implement at scale, including realtime analytics and large-scale systems monitoring

Re: docs about the secondary index?

this should probably be a question on u...@cassandra, but check out this email thread from the user list: http://www.mail-archive.com/u...@cassandra.apache.org/msg05668.html On Sep 2, 2010, at 10:20 AM, Changjiu Jin wrote: > Hello, > > > > Where can we find docs about the secondary index? >

Re: docs about the secondary index?

You can't, yet. There are examples in test/system/test_thrift_server.py; look for "index" (moving to user@) On Thu, Sep 2, 2010 at 8:20 AM, Changjiu Jin wrote: > Hello, > > > > Where can we find docs about the secondary index? > > > > Thanks > > > > > > > > -- Jonathan Ellis Project Chair,

docs about the secondary index?

Hello, Where can we find docs about the secondary index? Thanks

Re: Cassandra Hack-a-thon in Austin

On Wed, 2010-08-25 at 09:58 -0500, Eric Evans wrote: > Some of us from Rackspace are going offsite and heads-down for a day of > hacking to see how much of the Avro support in Cassandra we can get > knocked out. We'll be at Austin Cowork > (http://www.coworkaustin.com/about.php) on September 1 fro

Build failed in Hudson: Cassandra #526

See Changes: [brandonwilliams] Fix get_range_slices in avro_stress.py [brandonwilliams] Avro stress test utility. Patch by brandonwilliams [brandonwilliams] Add avro test for slicing supercolumns. Patch by brandonwilliams [eevans]