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https://issues.apache.org/jira/browse/HDDS-3271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17067551#comment-17067551
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mingchao zhao edited comment on HDDS-3271 at 3/26/20, 10:36 AM:
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Hi [~msingh] Thank you for your discussion.
>The SCM maintains a log of deletes blocks and deletes them after the container
>is closed.
By testing, I found that after closing the container, the block is actually
removed.
I found that ozone has a configuration ozone.block.deleting.service.interval
(default 60sec).It's going to be executed every minute. It is true that block
will be remove [when the container is
closed|https://github.com/apache/hadoop-ozone/blob/c8f14a560beb9a83c7d98388614a5ba36d7638f6/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/block/DatanodeDeletedBlockTransactions.java#L66].
was (Author: micahzhao):
Hi [~msingh] Thank you for your discussion.
>The SCM maintains a log of deletes blocks and deletes them after the container
>is closed.
By testing, I found that after closing the container, the block is actually
removed. Except when the container is closed, there is any other strategies
for timed deletion？
I found that ozone has a configuration ozone.block.deleting.service.interval
(default 60sec).This should be deleted every minute, but it does not take
effect.
> The block file is not deleted after the key is deleted
> ------------------------------------------------------
>
> Key: HDDS-3271
> URL: https://issues.apache.org/jira/browse/HDDS-3271
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: mingchao zhao
> Priority: Major
> Attachments: image-2020-03-25-11-41-26-972.png
>
>
> When I successfully deleted the key, I was still able to see the block file
> in the chunk directory. Block files are not deleted altogether.
> !image-2020-03-25-11-41-26-972.png|width=1169,height=143!
> This may be an existing bug, and I will confirm the reason.
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