[jira] Created: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548573 ]

Edward Yoon commented on HADOOP-2329:
-------------------------------------

{code}
row      bike                                        car
row1     bike:name           <Harley davidson>       ...  
         bike:cc             <800>                   ...
         bike:price          <23,000>
         bike:price_currency <U.S dollar>
         ...
{code}

For this case, i'm think some different method for each Type-definition.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548855 ]

Bryan Duxbury commented on HADOOP-2329:
---------------------------------------

I don't think there should be a type field. That's up to the application to deal with. It would add a ton of overhead to everything in HBase and require a huge overhaul of how stuff works. It would also take away a good deal of flexibility.

The fact that the shell cannot understand user-supplied key/value based data types is not a good motivation for adding it. The shell should really only be a administrative utility anyway, just enough to be able create and drop tables and to peek at a row here or there. I doubt that people who write their applications to use HBase are going to be limited by the lack of built-in data types.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Updated: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

     [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Duxbury updated HADOOP-2329:
----------------------------------

    Priority: Trivial  (was: Major)

Not a major issue.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548869 ]

Edward Yoon commented on HADOOP-2329:
-------------------------------------

>> The shell should really only be a administrative utility anyway, just enough to be able create and drop tables and to peek at a row here or there.

I don't think so.
What do you think about this ment.

- The shell should really only be a administrative utility anyway, just enough to be *reboot* and *dir* and to peek at a *file name* here or there.

>> It would add a ton of overhead to everything in HBase and require a huge overhaul of how stuff works.
>> It would also take away a good deal of flexibility.

I don't think so. you can just use the byte[]. ok?
Also, applications developers need to modeling capacity on Hbase. (It's very difficult in my experience, so shell's guide will be very useful.)

>> I doubt that people who write their applications to use HBase are going to be limited by the lack of built-in data types.

I don't think so.
If you are studied Database and Math, you can really powerful use the Some DB solutions.
But, many peoples(application developers) can't.....

Why...?

More think please.








> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548877 ]

Jim Kellerman commented on HADOOP-2329:
---------------------------------------

One of the stated goals of the HBase project is to produce a system as similar to Bigtable as possible (see http://wiki.apache.org/lucene-hadoop/Hbase#goals). In this spirit, HBase will remain typeless and it is likely that we will go ahead with HADOOP-2334 (making row keys WritableComparable instead of Text) once we get a chance to breathe after getting out from under the major bugs.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548881 ]

Edward Yoon commented on HADOOP-2329:
-------------------------------------

OK, i see jim.
But, i don't know the movements opposed to shell operations. :)

I think there can be no cause for complaint.
The shell tool isn't threatening a pure Hbase.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548888 ]

Jim Kellerman commented on HADOOP-2329:
---------------------------------------

Edward,

> But, i don't know the movements opposed to shell operations.

I don't think there is opposition to what you are doing, other than some people feel that the advanced shell operations are not necessary in a basic shell that can do simple queries and administrative functions. If the advanced features could be packaged in a separate jar and loaded via some command line option, I think it would gain higher acceptance.

> I think there can be no cause for complaint.
> The shell tool isn't threatening a pure Hbase.

I think I am misunderstanding something here. Are you proposing to do the data types entirely outside of HBase or leveraging HADOOP-2197 ? Or do you want internal support for data types?

If you are thinking of the former, that's fine. But I don't think support for data types should be in the core of HBase.


> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548893 ]

Edward Yoon commented on HADOOP-2329:
-------------------------------------

>> Are you proposing to do the data types entirely outside of HBase or leveraging HADOOP-2197 ? Or do you want internal support for data types?

Yes, I'm thinking the former.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548906 ]

Jim Kellerman commented on HADOOP-2329:
---------------------------------------

Since you are proposing the former rather than the latter, I would say go for it.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548908 ]

Edward Yoon commented on HADOOP-2329:
-------------------------------------

Thanks for your advice.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12549225 ]

Jim Kellerman commented on HADOOP-2329:
---------------------------------------

One more thought with respect to shell operations. If relational and matrix operations, etc., were packaged in a separate jar, it would be easier to use in a map/reduce job wouldn't it? And if they supported different input sources, they could be potentially used in a generic (that is, non-hbase) map/reduce operation.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12549236 ]

Edward Yoon commented on HADOOP-2329:
-------------------------------------

Thanks for your advice.

Then,...  

- We can just use the MapFiles on HDFS.
- Of course, batch scheduler can be managing data structure as a "bigTable".
- And you can work using the mapreduce parallel model.

How do you think about scheduler deamonizing?

- No, users can be misunderstand that this structure system is all of HDFS.
- If we don't it, users could be potentially ....

I think your logic is like above.
Automation has revolutionized the industrial world.

In my opinion, we can discuss this after something done.


I has just began........  ........ ....... ... .. .. .. . .. . .






> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12549238 ]

Edward Yoon commented on HADOOP-2329:
-------------------------------------

What do you think about { RDF storage on Hbase on Hadoop,  Matrix storage on Hbase on Hadoop }?


> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Commented: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

    [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12550255 ]

Edward Yoon commented on HADOOP-2329:
-------------------------------------

>> Since you are proposing the former rather than the latter, I would say go for it.

Is it okay?
I'm not sure.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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[jira] Work stopped: (HADOOP-2329) [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data

Anis Dk (Jira)
In reply to this post by Anis Dk (Jira)

     [ https://issues.apache.org/jira/browse/HADOOP-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HADOOP-2329 stopped by Edward Yoon.

> [Hbase Shell] Addition of Built-In Value Data Types for efficient accessing and stroing data
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2329
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>            Priority: Trivial
>             Fix For: 0.16.0
>
>
> A built-in data type is a fundamental data type that the hbase shell defines.
> (character strings, scalars, ranges, arrays, ... , etc)
> If you need a specialized data type that is not currently provided as a built-in type,
> you are encouraged to write your own user-defined data type using UDC(not yet implemented).
> (or contribute it for distribution in a future release of hbase shell)

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You can reply to this email to add a comment to the issue online.

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