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Posted to issues@ozone.apache.org by "runzhiwang (Jira)" <ji...@apache.org> on 2020/11/12 11:26:00 UTC

[jira] [Comment Edited] (HDDS-3714) Ozone support append truncate operation

    [ https://issues.apache.org/jira/browse/HDDS-3714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17230363#comment-17230363 ] 

runzhiwang edited comment on HDDS-3714 at 11/12/20, 11:25 AM:
--------------------------------------------------------------

[~arp] We have some customers want to change from HDFS to Ozone, so we need to support them the HDFS API, for example truncate and append. The use case for truncate in HDFS like follows (copied from HDFS design). Besides,  I also find hbase use [truncate|https://github.com/apache/hbase/blob/0b6d6fd773cf75dc49151975ed0b4ee82c741f59/hbase-server/src/main/java/org/apache/hadoop/hbase/master/replication/SyncReplicationReplayWALManager.java#L284]
 !screenshot-1.png! 


was (Author: yjxxtd):
[~arp] We have some customers want to change from HDFS to Ozone, so we need to support them the HDFS API, for example truncate and append. The use case for truncate in HDFS like follows (copied from HDFS design).  I also find hbase use [truncate|https://github.com/apache/hbase/blob/0b6d6fd773cf75dc49151975ed0b4ee82c741f59/hbase-server/src/main/java/org/apache/hadoop/hbase/master/replication/SyncReplicationReplayWALManager.java#L284]
 !screenshot-1.png! 

> Ozone support append truncate operation
> ---------------------------------------
>
>                 Key: HDDS-3714
>                 URL: https://issues.apache.org/jira/browse/HDDS-3714
>             Project: Hadoop Distributed Data Store
>          Issue Type: New Feature
>          Components: Ozone Manager
>            Reporter: Baolong Mao
>            Assignee: runzhiwang
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: screenshot-1.png
>
>




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