Re: server time sych

2012-12-09 Thread Martin Koch
The de-facto standard is NTP <http://www.ntp.org/>. /Martin Koch - Senior Systems Architect - Issuu On Sun, Dec 9, 2012 at 2:36 PM, S Ahmed wrote: > Hi all, > > What do you guys suggest one uses to make sure the server time on all the > servers are correct and in synch? >

Re: Option for ordering columns by timestamp in CF

2012-10-13 Thread Martin Koch
; column names don't naturally include a date here. Sorting the coulmns by timestamp and picking the last would allow me to know when the row was last modified. (I could manually maintain a 'last modified' column as well, I know, but just coming up with a use case :). /Martin Koch On F

Re: Option for ordering columns by timestamp in CF

2012-10-10 Thread Martin Koch
I think that would be cool. /Martin Koch - Issuu - Senior Software Architect On Wed, Oct 10, 2012 at 11:44 AM, Ertio Lew wrote: > I think Cassandra should provide an configurable option on per column > family basis to do columns sorting by time-stamp rather than column names. > This

Upgrading hardware on a node in a cluster

2012-10-10 Thread Martin Koch
hardware (which will have a new IP number). Can anyone provide me with a recipe for doing this? I've looked around and read about nodetool move, which didn't make me much wiser. Thanks for your help, /Martin Koch - Issuu - Senior Systems Architect

Re: Schema Disagreement after migration from 1.0.6 to 1.1.4

2012-09-05 Thread Martin Koch
odes won't be able to join > the cluster again, unless you temporarily upgrade them to 1.0.11. > > Cheers, > Omid > > [1] https://issues.apache.org/jira/browse/CASSANDRA-1391 > [2] https://issues.apache.org/jira/browse/CASSANDRA-4195 > > On Wed, Sep 5, 2012 at 4:08 PM,

Schema Disagreement after migration from 1.0.6 to 1.1.4

2012-09-05 Thread Martin Koch
showed a schema definition which seemed correct, but was indeed different from the schema on the other nodes in the cluster. Any clues on how we should proceed? Thanks, /Martin Koch