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Posted to dev@bookkeeper.apache.org by Ivan Kelly <iv...@apache.org> on 2012/12/03 12:42:23 UTC

Re: Review Request: [BOOKKEEPER-262] Implement a meta store based hedwig metadata manager.

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/8038/#review13965
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hedwig-server/src/main/java/org/apache/hedwig/server/common/ServerConfiguration.java
<https://reviews.apache.org/r/8038/#comment29876>

    rename to metastore_impl_class



hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java
<https://reviews.apache.org/r/8038/#comment29877>

    Where do these constants come from?



hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java
<https://reviews.apache.org/r/8038/#comment29879>

    Again, shouldn't this be versioned?



hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java
<https://reviews.apache.org/r/8038/#comment29878>

    Version.ANY? Shouldn't this be a versioned operation?


- Ivan Kelly


On Nov. 13, 2012, 1:51 p.m., Jiannan Wang wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/8038/
> -----------------------------------------------------------
> 
> (Updated Nov. 13, 2012, 1:51 p.m.)
> 
> 
> Review request for bookkeeper.
> 
> 
> Description
> -------
> 
> Implement a meta store based hedwig metadata manager.
> 
> 
> This addresses bug BOOKKEEPER-262.
>     https://issues.apache.org/jira/browse/BOOKKEEPER-262
> 
> 
> Diffs
> -----
> 
>   hedwig-server/src/main/java/org/apache/hedwig/server/common/ServerConfiguration.java 520744a 
>   hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java PRE-CREATION 
>   hedwig-server/src/test/java/org/apache/hedwig/server/meta/MetadataManagerFactoryTestCase.java e33b315 
> 
> Diff: https://reviews.apache.org/r/8038/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Jiannan Wang
> 
>


Re: Review Request: [BOOKKEEPER-262] Implement a meta store based hedwig metadata manager.

Posted by Jiannan Wang <ji...@yahoo-inc.com>.

> On Dec. 3, 2012, 11:42 a.m., Ivan Kelly wrote:
> > hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java, line 511
> > <https://reviews.apache.org/r/8038/diff/2/?file=189059#file189059line511>
> >
> >     Where do these constants come from?
> 
> Jiannan Wang wrote:
>     For subscription data, concat "topic" and "subId" as a key in MetaStore, and the we can scan the topic to get the subscriber list.
>     These constants are used as separator for "topic" and "subId".
> 
> Ivan Kelly wrote:
>     why did you choose '\001' and '\002' though? It seems a bit random.

Yeah, we choose it at random, any char that will not being used in topic and subId is Okay for it.
What do you suggest?


- Jiannan


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/8038/#review13965
-----------------------------------------------------------


On Nov. 13, 2012, 1:51 p.m., Jiannan Wang wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/8038/
> -----------------------------------------------------------
> 
> (Updated Nov. 13, 2012, 1:51 p.m.)
> 
> 
> Review request for bookkeeper.
> 
> 
> Description
> -------
> 
> Implement a meta store based hedwig metadata manager.
> 
> 
> This addresses bug BOOKKEEPER-262.
>     https://issues.apache.org/jira/browse/BOOKKEEPER-262
> 
> 
> Diffs
> -----
> 
>   hedwig-server/src/main/java/org/apache/hedwig/server/common/ServerConfiguration.java 520744a 
>   hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java PRE-CREATION 
>   hedwig-server/src/test/java/org/apache/hedwig/server/meta/MetadataManagerFactoryTestCase.java e33b315 
> 
> Diff: https://reviews.apache.org/r/8038/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Jiannan Wang
> 
>


Re: Review Request: [BOOKKEEPER-262] Implement a meta store based hedwig metadata manager.

Posted by Ivan Kelly <iv...@apache.org>.

> On Dec. 3, 2012, 11:42 a.m., Ivan Kelly wrote:
> > hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java, line 511
> > <https://reviews.apache.org/r/8038/diff/2/?file=189059#file189059line511>
> >
> >     Where do these constants come from?
> 
> Jiannan Wang wrote:
>     For subscription data, concat "topic" and "subId" as a key in MetaStore, and the we can scan the topic to get the subscriber list.
>     These constants are used as separator for "topic" and "subId".

why did you choose '\001' and '\002' though? It seems a bit random.


- Ivan


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/8038/#review13965
-----------------------------------------------------------


On Nov. 13, 2012, 1:51 p.m., Jiannan Wang wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/8038/
> -----------------------------------------------------------
> 
> (Updated Nov. 13, 2012, 1:51 p.m.)
> 
> 
> Review request for bookkeeper.
> 
> 
> Description
> -------
> 
> Implement a meta store based hedwig metadata manager.
> 
> 
> This addresses bug BOOKKEEPER-262.
>     https://issues.apache.org/jira/browse/BOOKKEEPER-262
> 
> 
> Diffs
> -----
> 
>   hedwig-server/src/main/java/org/apache/hedwig/server/common/ServerConfiguration.java 520744a 
>   hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java PRE-CREATION 
>   hedwig-server/src/test/java/org/apache/hedwig/server/meta/MetadataManagerFactoryTestCase.java e33b315 
> 
> Diff: https://reviews.apache.org/r/8038/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Jiannan Wang
> 
>


Re: Review Request: [BOOKKEEPER-262] Implement a meta store based hedwig metadata manager.

Posted by Jiannan Wang <ji...@yahoo-inc.com>.

> On Dec. 3, 2012, 11:42 a.m., Ivan Kelly wrote:
> > hedwig-server/src/main/java/org/apache/hedwig/server/common/ServerConfiguration.java, line 74
> > <https://reviews.apache.org/r/8038/diff/2/?file=189058#file189058line74>
> >
> >     rename to metastore_impl_class

Will change


> On Dec. 3, 2012, 11:42 a.m., Ivan Kelly wrote:
> > hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java, line 585
> > <https://reviews.apache.org/r/8038/diff/2/?file=189059#file189059line585>
> >
> >     Again, shouldn't this be versioned?

This patch is generated before BOOKKEEPER-440, will rebase the code.


> On Dec. 3, 2012, 11:42 a.m., Ivan Kelly wrote:
> > hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java, line 632
> > <https://reviews.apache.org/r/8038/diff/2/?file=189059#file189059line632>
> >
> >     Version.ANY? Shouldn't this be a versioned operation?

Same as above.


> On Dec. 3, 2012, 11:42 a.m., Ivan Kelly wrote:
> > hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java, line 511
> > <https://reviews.apache.org/r/8038/diff/2/?file=189059#file189059line511>
> >
> >     Where do these constants come from?

For subscription data, concat "topic" and "subId" as a key in MetaStore, and the we can scan the topic to get the subscriber list.
These constants are used as separator for "topic" and "subId".


- Jiannan


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/8038/#review13965
-----------------------------------------------------------


On Nov. 13, 2012, 1:51 p.m., Jiannan Wang wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/8038/
> -----------------------------------------------------------
> 
> (Updated Nov. 13, 2012, 1:51 p.m.)
> 
> 
> Review request for bookkeeper.
> 
> 
> Description
> -------
> 
> Implement a meta store based hedwig metadata manager.
> 
> 
> This addresses bug BOOKKEEPER-262.
>     https://issues.apache.org/jira/browse/BOOKKEEPER-262
> 
> 
> Diffs
> -----
> 
>   hedwig-server/src/main/java/org/apache/hedwig/server/common/ServerConfiguration.java 520744a 
>   hedwig-server/src/main/java/org/apache/hedwig/server/meta/MsMetadataManagerFactory.java PRE-CREATION 
>   hedwig-server/src/test/java/org/apache/hedwig/server/meta/MetadataManagerFactoryTestCase.java e33b315 
> 
> Diff: https://reviews.apache.org/r/8038/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Jiannan Wang
> 
>