Re: Notes and questions from performing a large delete

2013-12-07 Thread Josh Dzielak
Thanks Nate. I hadn't noticed that and it definitely explains it. It'd be nice to see that called out much more clearly. As we found out the implications can be severe! -Josh On Thursday, December 5, 2013 at 11:30 AM, Nate McCall wrote: Per the 256mb to 5mb change, check the very last

Re: Notes and questions from performing a large delete

2013-12-07 Thread Edward Capriolo
It is definately unexpected and can be very impactful to reset such impprtant settings. On Saturday, December 7, 2013, Josh Dzielak j...@keen.io wrote: Thanks Nate. I hadn't noticed that and it definitely explains it. It'd be nice to see that called out much more clearly. As we found out the

Re: Notes and questions from performing a large delete

2013-12-05 Thread Nate McCall
Per the 256mb to 5mb change, check the very last section of this page: http://www.datastax.com/documentation/cql/3.0/webhelp/cql/cql_reference/alter_table_r.html Changing any compaction or compression option erases all previous compaction or compression settings. In other words, you have to

Notes and questions from performing a large delete

2013-12-04 Thread Josh Dzielak
We recently had a little Cassandra party I wanted to share and see if anyone has notes to compare. Or can tell us what we did wrong or what we could do better. :) Apologies in advance for the length of the narrative here. Task at hand: Delete about 50% of the rows in a large column family