Re: Data format stability

2010-06-14 Thread Matthew Conway
On Jun 14, 2010, at Mon Jun 14, 10:45 AM, Jonathan Ellis wrote: >> >> I already have automation, whats missing are the details of the exact steps >> I need to automate to accomplish the schema modification on a live cluster. >> Even the FAQ just points to the feature in 0.7 trunk. > > Huh? h

Re: Data format stability

2010-06-14 Thread Jonathan Ellis
On Mon, Jun 14, 2010 at 7:27 AM, Matthew Conway wrote: > > On Jun 13, 2010, at Sun Jun 13, 9:34 PM, Benjamin Black wrote: > >> On Sun, Jun 13, 2010 at 5:58 PM, Matthew Conway wrote: >>> The ability to dynamically add new column families.  Our app is currently >>> under heavy development, and we

Re: Data format stability

2010-06-14 Thread Matthew Conway
On Jun 13, 2010, at Sun Jun 13, 9:34 PM, Benjamin Black wrote: > On Sun, Jun 13, 2010 at 5:58 PM, Matthew Conway wrote: >> The ability to dynamically add new column families. Our app is currently >> under heavy development, and we will be adding new column families at least >> once a week aft

Re: Data format stability

2010-06-13 Thread Benjamin Black
On Sun, Jun 13, 2010 at 5:58 PM, Matthew Conway wrote: > The ability to dynamically add new column families.  Our app is currently > under heavy development, and we will be adding new column families at least > once a week after we have shipped the initial production app. From the > existing do

Re: Data format stability

2010-06-13 Thread Matthew Conway
The ability to dynamically add new column families. Our app is currently under heavy development, and we will be adding new column families at least once a week after we have shipped the initial production app. From the existing docs, it seemed to me that the procedure for changing schema in 0.

Re: Data format stability

2010-06-13 Thread Benjamin Black
What specifically is driving you to use trunk rather than the stable, 0.6 branch? On Sun, Jun 13, 2010 at 1:37 PM, Matthew Conway wrote: > Not so much worried about temporary breakages, but more about design > decisions that are made to enhance cassandra at the cost of a data format > change.  

Re: Data format stability

2010-06-13 Thread Matthew Conway
Not so much worried about temporary breakages, but more about design decisions that are made to enhance cassandra at the cost of a data format change. So long as the policy here is to preserve backwards compatibility with the on disk storage format (possibly with an automatic conversion), even

Re: Data format stability

2010-06-11 Thread Jonathan Ellis
If you're comfortable following comm...@cassandra.apache.org, it should be pretty obvious which changes are going to break things temporarily or require a commitlog drain. Otherwise, we recommend sticking with the stable branch until a beta is released. On Fri, Jun 11, 2010 at 2:24 PM, Matthew Co

Data format stability

2010-06-11 Thread Matthew Conway
Hi All, I'd like to start using trunk for something real, but am concerned about stability of the data format. That is, will I be able to upgrade a running system to a newer version of trunk and eventually to the 7.0 release, or are there any changes planned to the format of the data stored on