incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Chris Burroughs <chris.burrou...@gmail.com>
Subject Re: Backup procedure
Date Wed, 07 May 2014 18:31:43 GMT
It's also good to note that only the Data files are compressed already. 
  Depending on your data the Index and other files may be a significant 
percent of total on disk data.

On 05/02/2014 01:14 PM, tommaso barbugli wrote:
> In my tests compressing with lzop sstables (with cassandra compression
> turned on) resulted in approx. 50% smaller files.
> Thats probably because the chunks of data compressed by lzop are way bigger
> than the average size of writes performed on Cassandra (not sure how data
> is compressed but I guess it is done per single cell so unless one stores)
>
>
> 2014-05-02 19:01 GMT+02:00 Robert Coli <rcoli@eventbrite.com>:
>
>> On Fri, May 2, 2014 at 2:07 AM, tommaso barbugli <tbarbugli@gmail.com>wrote:
>>
>>> If you are thinking about using Amazon S3 storage I wrote a tool that
>>> performs snapshots and backups on multiple nodes.
>>> Backups are stored compressed on S3.
>>> https://github.com/tbarbugli/cassandra_snapshotter
>>>
>>
>> https://github.com/JeremyGrosser/tablesnap
>>
>> SSTables in Cassandra are compressed by default, if you are re-compressing
>> them you may just be wasting CPU.. :)
>>
>> =Rob
>>
>>
>


Mime
View raw message