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Posted to issues@ozone.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/08/04 15:00:08 UTC
[jira] [Updated] (HDDS-4061) Pending delete blocks are not always
included in #BLOCKCOUNT metadata
[ https://issues.apache.org/jira/browse/HDDS-4061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HDDS-4061:
---------------------------------
Labels: pull-request-available (was: )
> Pending delete blocks are not always included in #BLOCKCOUNT metadata
> ---------------------------------------------------------------------
>
> Key: HDDS-4061
> URL: https://issues.apache.org/jira/browse/HDDS-4061
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Datanode
> Reporter: Ethan Rose
> Assignee: Ethan Rose
> Priority: Minor
> Labels: pull-request-available
>
> Within the code that handles containers, there is currently some disagreement as to whether blocks marked for deletion with the #deleting# prefix should be included in the #BLOCKCOUNT metadata value. The BlockDeletingService includes pending delete blocks in the block count, since after deleting the blocks, BlockDeletingService#call calls KeyValueContainerData#updateAndCommitDBCounters, where the pending deletion blocks (now deleted) are subtracted from the block count metadata. However, KeyValueContainerUtil#initializeUsedBytesAndBlockCount filters away all blocks that have prefixes when setting the block count. This means pending delete blocks with the #deleting# prefix are excluded from the block count.
> This fix will alter KeyValueContainerUtil#initializeUsedBytesAndBlockCount to include #deleting# blocks when setting the #BLOCKCOUNT and #BYTESUSED metadata values. It will also adjust the TestContainerReader unit tests to account for this change.
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