thanks ,
2010-04-26
Bingbing Liu
发件人： Jonathan Ellis
发送时间： 2010-04-26 09:29:28
收件人： user
抄送：
主题： Re: how to store file in the cassandra?
Cassandra stores byte arrays. You can certainly store file data in
it, although if it is larger than a few MB you should chunk it into
multiple columns.
On Sun, Apr 25, 2010 at 8:21 PM, Shuge Lee <shuge....@gmail.com> wrote:
> Yes.
>
> Cassandra does save raw string data only, not a file, and shouldn't save a
> file.
>
> 2010/4/26 刘兵兵 <rucb...@gmail.com>
>>
>> sorry i'm not very familiar with python, are you meaning that the files
>> are stored in the file system of the os?
>>
>> then , the cassandra just stores the path to access the files?
>>
>>
>> On Mon, Apr 26, 2010 at 8:57 AM, Shuge Lee <shuge....@gmail.com> wrote:
>>>
>>> In Python:
>>>
>>> keyspace.columnfamily[key][column] = value
>>>
>>> files.video[uuid.uuid4()]['name'] = 'foo.flv'
>>> files.video[uuid.uuid4()]['path'] = '/var/files/foo.flv'
>>>
>>> create a mapping
>>> files.video = {
>>> uuid.uuid4() : {
>>> 'name' : 'foo.flv',
>>> 'path' : '/var/files/foo.flv',
>>> }
>>> }
>>>
>>> if most of sizes >= 0.5MB, use sys-fs/reiser4progs, else use ext4.
>>>
>>>
>>> 2010/4/26 Bingbing Liu <rucb...@gmail.com>
>>>>
>>>> any suggestion?
>>>>
>>>> 2010-04-26
>>>> ________________________________
>>>> Bingbing Liu
>>>
>>>
>>> --
>>> Shuge Lee | Lee Li | 李蠡
>>
>>
>>
>> --
>> Bingbing Liu
>>
>> Web and Mobile Data Management lab
>>
>> Renmin University of China
>
>
>
> --
> Shuge Lee | Lee Li | 李蠡
>
<<14.gif>>
