Re: Update: Cassandra Virtual Nodes

2012-06-27 Thread Eric Evans
On Tue, Jun 26, 2012 at 7:45 PM, Jonathan Ellis wrote: > I've started commenting on the issues, but to take a higher level > view, I'd say that it looks a lot more tractable than I thought at > first, and props to you and Eric for pushing through with it. > > Besides the four (five including 3881)

Re: Update: Cassandra Virtual Nodes

2012-06-27 Thread Sam Overton
On 27 June 2012 01:45, Jonathan Ellis wrote: > I've started commenting on the issues, but to take a higher level > view, I'd say that it looks a lot more tractable than I thought at > first, and props to you and Eric for pushing through with it. Thanks! > Besides the four (five including 3881) p

Re: Update: Cassandra Virtual Nodes

2012-06-26 Thread Jonathan Ellis
I've started commenting on the issues, but to take a higher level view, I'd say that it looks a lot more tractable than I thought at first, and props to you and Eric for pushing through with it. Besides the four (five including 3881) posted so far, I think 4123 needs to be on the critical path for

Re: Update: Cassandra Virtual Nodes

2012-06-25 Thread Eric Evans
On Sun, Jun 24, 2012 at 1:24 PM, Jonathan Ellis wrote: > Is it fair to say that 3881 and 4121 are the key tickets, and the others > are mostly dealing with fallout from that? 3881 just reduces the computational complexity of calculateNaturalEndpoints, which becomes (more of a )problem with many t

Re: Update: Cassandra Virtual Nodes

2012-06-24 Thread Jonathan Ellis
Is it fair to say that 3881 and 4121 are the key tickets, and the others are mostly dealing with fallout from that? On Wed, Jun 20, 2012 at 4:25 PM, Eric Evans wrote: > So to followup on this, my take on the first discussion > (http://www.mail-archive.com/dev@cassandra.apache.org/msg03837.html) >

Re: Update: Cassandra Virtual Nodes

2012-06-20 Thread Eric Evans
On Wed, Jun 20, 2012 at 4:40 PM, Jonathan Ellis wrote: > I was waiting for a response to Brandon's performance smoke test (33% > slower than trunk, as commented on > https://issues.apache.org/jira/browse/CASSANDRA-4119) before digging > deeper. I hadn't noticed that to be honest; I'd been watchin

Re: Update: Cassandra Virtual Nodes

2012-06-20 Thread Jonathan Ellis
I was waiting for a response to Brandon's performance smoke test (33% slower than trunk, as commented on https://issues.apache.org/jira/browse/CASSANDRA-4119) before digging deeper. On Wed, Jun 20, 2012 at 4:25 PM, Eric Evans wrote: > So to followup on this, my take on the first discussion > (htt

Re: Update: Cassandra Virtual Nodes

2012-06-20 Thread Eric Evans
So to followup on this, my take on the first discussion (http://www.mail-archive.com/dev@cassandra.apache.org/msg03837.html) was that there was some concern about how invasive this change would be. This was then followed by discussion about the trade-offs between trying to push such a big change i

Re: Update: Cassandra Virtual Nodes

2012-06-01 Thread rektide
Hi Sam, Cassandra, What interactions with Partitioning Strategies are there for this work? Will the Random Partitioner / Order Preserving Partitioner dichotomy remain largely unaffected through this change? Is there any potential unlocked or closed off by this move? Pardon if this is totally of

Re: Update: Cassandra Virtual Nodes

2012-06-01 Thread Brandon Williams
On Fri, Jun 1, 2012 at 11:50 AM, Sam Overton wrote: > Hello cassandra-dev, > > This is an update on the previous discussion on virtual nodes Thanks for the update, Sam! > The easiest way to test these changes is to clone our github repo and > switch to the topic branch representing the top patch