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 m...@backupify.com 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

Re: Data format stability

2010-06-14 Thread Jonathan Ellis
On Mon, Jun 14, 2010 at 7:27 AM, Matthew Conway m...@backupify.com 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 m...@backupify.com wrote: The ability to dynamically add new column families.  Our app is currently under

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?

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

2010-06-13 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 m...@backupify.com 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

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