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Posted to user@cassandra.apache.org by Aaron Morton <aa...@thelastpickle.com> on 2013/11/05 07:44:12 UTC

Re: CF name length restrictions (CASSANDRA-4157 and CASSANDRA-4110)

My understanding of  CASSANDRA-4110 is that the file name (not the total path length) has to be <= 255 chars long. 

On not windows platforms in 1.1.0+ you should be ok with KS + CF names that combined go up to about 230 chars. Leaving room for the extra few things Cassandra dds to the SStable file names. 

Cheers

-----------------
Aaron Morton
New Zealand
@aaronmorton

Co-Founder & Principal Consultant
Apache Cassandra Consulting
http://www.thelastpickle.com

On 1/11/2013, at 5:54 am, Peter Sanford <ps...@nearbuysystems.com> wrote:

> We're working on upgrading from 1.0.12 to 1.1.12. After upgrading a test node I ran into CASSANDRA-4157 which restricts the max length of CF names to <= 48 characters. It looks like CASSANDRA-4110 will allow us to upgrade and keep our existing long CF names, but we won't be able to create new CFs with names longer than 48 chars. 
> 
> Is there any reason that the logic from 4110 wasn't also applied to the 4157 code path? 
> 
> (Our naming convention results in a lot of materialized view CFs that have names > 48 characters.)
> 
> -psanford