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https://issues.apache.org/jira/browse/HDFS-11537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chen Liang updated HDFS-11537:
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Attachment: HDFS-11537-HDSF-7240.002.patch
Thanks [~xyao] for the review and comments! All except the following are
addressed in v002 patch.
bq. CBlockConfigKeys.java
I realized that a number of keys in {{CBlockConfigKeys.java}} are currently
not, and will probably never be used. So I've removed all the currently unused
keys in this file, and will add keys later on when needed.
bq. Line 612: can we track the TODO with a Apache JIRA?
filed HDFS-11539
bq. Line 97: should we ensure shutdown of xceiverClientManager?
I think this should be fine, as there is nothing in particular to clean up in
this class, it does not have a shutdown method or anything similar anyway. And
existing unit tests already uses this class like this.
> Block Storage : add cache layer
> -------------------------------
>
> Key: HDFS-11537
> URL: https://issues.apache.org/jira/browse/HDFS-11537
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs
> Reporter: Chen Liang
> Assignee: Chen Liang
> Attachments: HDFS-11537-HDSF-7240.001.patch,
> HDFS-11537-HDSF-7240.002.patch
>
>
> This JIRA adds the cache layer. Specifically, this JIRA implements the cache
> interface in HDFS-11361 and adds the code that actually talks to containers.
> The upper layer can simply view the storage as a cache with simple put and
> get interface, while in the backend the get and put are actually talking to
> containers. This is a critical part to the cblock performance.
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