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From aaron morton <aa...@thelastpickle.com>
Subject Re: moving data from single node cassandra
Date Sun, 20 Mar 2011 23:42:06 GMT
When compacting it will use the path with the greatest free space. When compaction completes
successfully the files will lose their temporary status and that will be their new home.

Aaron

On 18 Mar 2011, at 14:10, John Lewis wrote:

> | data_file_directories makes it seem as though cassandra can use more than one location
for sstable storage. Does anyone know how it splits up the data between partitions? I am trying
to plan for just about every worst case scenario I can right now, and I want to know if I
can change the config to open up some secondary storage for a compaction if needed.
> 
> Lewis
> 
> On Mar 17, 2011, at 6:03 PM, Maki Watanabe wrote:
> 
>> Refer to:
>> http://wiki.apache.org/cassandra/StorageConfiguration
>> 
>> You can specify the data directories with following parameter in
>> storage-config.xml (or cassandra.yaml in 0.7+).
>> 
>> commit_log_directory : where commitlog will be written
>> data_file_directories : data files
>> saved_cache_directory : saved row cache
>> 
>> maki
>> 
>> 
>> 2011/3/17 Komal Goyal <komal@ensarm.com>:
>>> Hi,
>>> I am having single node cassandra setup on a windows machine.
>>> Very soon I have ran out of space on this machine so have increased the
>>> hardisk capacity of the machine.
>>> Now I want to know how I configure cassandra to start storing data in these
>>> high space partitions?
>>> Also how the existing data store in this single node cassandra can be moved
>>> from C drive to the other drives?
>>> Is there any documentation as to how these configurations can be done?
>>> some supporting links will be very helpful..
>>> 
>>> 
>>> Thanks,
>>> 
>>> Komal Goyal
>>> 
> 


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