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https://issues.apache.org/jira/browse/HDFS-12069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16081775#comment-16081775
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Weiwei Yang commented on HDFS-12069:
------------------------------------
Hi [~yuanbo]
bq. It seems we can refactor some code if Consumer#accept has a boolean return,
then we can use it like...
I was using standard java Consumer interface which has no return value, but I
agree you are making a good point. So instead of using that interface, I
created a new one
{code}
public interface EntryConsumer {
boolean consume(byte[] key, byte[] value) throws IOException;
}
{code}
this makes code more readable and flexible. Thanks for the suggestion! I have
updated to v10 patch, please take a look if that makes sense to you.
Thank you.
> 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, HDFS-12069-HDFS-7240.009.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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