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Posted to issues@ozone.apache.org by "runzhiwang (Jira)" <ji...@apache.org> on 2020/10/23 01:32:00 UTC
[jira] [Updated] (HDDS-4377) Datanode truncates blocks on the disk
[ https://issues.apache.org/jira/browse/HDDS-4377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
runzhiwang updated HDDS-4377:
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Description: When Datanode receives TruncateBlocksCommand, in the RocksDB, Datanode deletes the chunks which are fully truncated, and updates the chunk length and checksum which is partially truncated. Datanode puts <TRUNCATING_blockID, newLength> in RocksDB, and returns succ to SCM.
> Datanode truncates blocks on the disk
> -------------------------------------
>
> Key: HDDS-4377
> URL: https://issues.apache.org/jira/browse/HDDS-4377
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: runzhiwang
> Priority: Major
>
> When Datanode receives TruncateBlocksCommand, in the RocksDB, Datanode deletes the chunks which are fully truncated, and updates the chunk length and checksum which is partially truncated. Datanode puts <TRUNCATING_blockID, newLength> in RocksDB, and returns succ to SCM.
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