Re: overriding directories from command line (was: 2 problems running Cassandra as a developper)

[Jonathan Mischo <jm...@quagility.com>]

+10 on moving to YAML for config files, as it's FAR more legible

On Nov 16, 2009, at 9:54 AM, Jonathan Ellis wrote:

> 2009/11/16 Ted Zlatanov <tz...@lifelogs.com>:
>> - allow a prefix here, e.g. /usr/local/cassandra instead of the  
>> default /var
>
> -1 on this, I think it makes it too easy to shoot yourself in the  
> foot.
>
>> - allow passing the prefix and any of the directories from the  
>> command
>>  line
>
> -1 on this too; we've already made it easy to run different config
> files from the same binaries --
> http://wiki.apache.org/cassandra/RunningCassandra -- and
> search-and-replace is easy enough.
>
>> A general configuration facility to allow named variables and
>> interpolation, similar to what the Apache Commons Configuration  
>> classes
>> do for XML Property files
>> (http://commons.apache.org/configuration/apidocs/org/apache/commons/configuration/XMLPropertiesConfiguration.html 
>> ),
>> would be really nice too.
>
> I'd rather move away from XML entirely to something like
> http://jyaml.sourceforge.net/tutorial.html personally.
>
> -Jonathan
>

Re: overriding directories from command line

[Ted Zlatanov <tz...@lifelogs.com>]

On Thu, 19 Nov 2009 21:00:20 -0600 Jonathan Mischo <jm...@quagility.com> wrote: 

JM> On Nov 16, 2009, at 9:54 AM, Jonathan Ellis wrote:

>> I'd rather move away from XML entirely to something like
>> http://jyaml.sourceforge.net/tutorial.html personally.

JM> +10 on moving to YAML for config files, as it's FAR more legible

I'd rather not worry about the format.  This is why I suggest the
Apache Commons Configuration classes, which can be easily adapted to
support YAML or whatever format (or a JDBC read, etc.) in a uniform
way.

Ted