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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: multiple rows with same unique row+dynamic update
Date Mon, 07 Nov 2011 16:36:07 GMT
You might want to (re)read this: http://hbase.apache.org/book/versions.html

There's no conflict.

J-D

On Mon, Nov 7, 2011 at 4:24 PM, Jignesh Patel <jigneshmpatel@gmail.com> wrote:
> Jean,
> Is that a new row or part of same row? And I believe this data will go
> to new file.
> Because my row id is still same:jigneshmpatel, shouldn't it create
> conflict if it is a new version.
>
> -Jignesh
>
> On Mon, Nov 7, 2011 at 11:07 AM, Jean-Daniel Cryans <jdcryans@apache.org> wrote:
>> column3name:Phone would have a new version, yes.
>>
>> On Mon, Nov 7, 2011 at 4:02 PM, Jignesh Patel <jigneshmpatel@gmail.com> wrote:
>>> Is that new entry or update in HBase?
>>>
>>> -Jignesh
>>>
>>> On Mon, Nov 7, 2011 at 10:46 AM, Jean-Daniel Cryans <jdcryans@apache.org>
wrote:
>>>> ok that works... what's the issue?
>>>>
>>>> On Mon, Nov 7, 2011 at 3:44 PM, Jignesh Patel <jigneshmpatel@gmail.com>
wrote:
>>>>> I have say
>>>>> uniqname(rowid) :jigneshmpatel
>>>>> columnfamily:Data
>>>>> comun1name: address 1: Value1
>>>>> comun2name:address2: value2
>>>>> column3name:Phone: 1234
>>>>>
>>>>> and now after one week
>>>>>
>>>>>
>>>>> uniqname(rowid) :jigneshmpatel
>>>>> columnfamily:Data
>>>>> comun1name: address 1: Value4
>>>>> comun2name:address2: value5
>>>>> column3name:Phone: 5678.
>>>>>
>>>>> -Jignesh
>>>>>
>>>>> On Mon, Nov 7, 2011 at 10:38 AM, Jean-Daniel Cryans <jdcryans@apache.org>
wrote:
>>>>>> What do you mean by dynamic update? Replace one value by another?
>>>>>> HBase does that.
>>>>>>
>>>>>> J-D
>>>>>>
>>>>>> On Mon, Nov 7, 2011 at 3:29 PM, Jignesh Patel <jigneshmpatel@gmail.com>
wrote:
>>>>>>> Companies like Facebook and Stumble upon uses HBase for the day
to day
>>>>>>> transaction. Since HBase and HDFS both are not going to support
>>>>>>> dynamic updates, how would they able to keep track of unique
customer
>>>>>>> id(which is normally row ID) in HBase?
>>>>>>>
>>>>>>> Also wanted to know is there a work-around to handle dynamic
update?
>>>>>>>
>>>>>>>
>>>>>>> -Jignesh
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>

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