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https://issues.apache.org/jira/browse/HDDS-271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16560022#comment-16560022
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Anu Engineer commented on HDDS-271:
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{quote}I was thinking of some cases where we would like to identify some
specific blocks in a container. Ex all blocks from some user or group. This can
come handy in deletion.
{quote}
[~ajayydv] Thanks for the comments. At this layer, we don't have that info. It
is in OzoneManager. OzoneManager has to send in a list of blocks for us to
delete, even if it is by a user or a group. However, we do have extended
attributes support for Blocks, so some time in future, we can have iterators
that support a specific filter. But for now, we can do that by iterating over a
block and checking the specific property if needed. Again a very future looking
use case, so probably does not matter for this patch.
> Create a block iterator to iterate blocks in a container
> --------------------------------------------------------
>
> Key: HDDS-271
> URL: https://issues.apache.org/jira/browse/HDDS-271
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: Bharat Viswanadham
> Assignee: Bharat Viswanadham
> Priority: Major
> Fix For: 0.2.1
>
> Attachments: HDDS-271.00.patch, HDDS-271.01.patch, HDDS-271.02.patch,
> HDDS-271.03.patch, HDDS-271.04.patch
>
>
> Create a block iterator to scan all blocks in a container.
> This one will be useful during implementation of container scanner.
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