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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12069) Ozone: Create a general abstraction for metadata store
Date Fri, 07 Jul 2017 21:52:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16078749#comment-16078749
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Xiaoyu Yao commented on HDFS-12069:
-----------------------------------

Thanks [~cheersyang] for the update. Patch v8 looks good to me. Agree that we can fix the
cblock usage with a separate ticket. 

3 more minor issues. +1 after that being fixed.

ContainerCache.java
Line 86: NIT: OzoneLevelDBStore should be changed to MetadataStore

OzoneMetadataManager.java
We should also change the LevelDBStore used by the localStorage Handler.

KeyUtils.java
Line 62: LevelDB handle should be MetadataStore handler.


> Ozone: Create a general abstraction for metadata store
> ------------------------------------------------------
>
>                 Key: HDFS-12069
>                 URL: https://issues.apache.org/jira/browse/HDFS-12069
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>         Attachments: HDFS-12069-HDFS-7240.001.patch, HDFS-12069-HDFS-7240.002.patch,
HDFS-12069-HDFS-7240.003.patch, HDFS-12069-HDFS-7240.004.patch, HDFS-12069-HDFS-7240.005.patch,
HDFS-12069-HDFS-7240.006.patch, HDFS-12069-HDFS-7240.007.patch, HDFS-12069-HDFS-7240.008.patch
>
>
> Create a general abstraction for metadata store so that we can plug other key value store
to host ozone metadata. Currently only levelDB is implemented, we want to support RocksDB
as it provides more production ready features.



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