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Posted to issues@ozone.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/10/06 16:38:00 UTC
[jira] [Updated] (HDDS-5832) EC: ECKeyOutputStream persists blocks
in random order
[ https://issues.apache.org/jira/browse/HDDS-5832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HDDS-5832:
---------------------------------
Labels: pull-request-available (was: )
> EC: ECKeyOutputStream persists blocks in random order
> -----------------------------------------------------
>
> Key: HDDS-5832
> URL: https://issues.apache.org/jira/browse/HDDS-5832
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: Ozone Client
> Reporter: Stephen O'Donnell
> Assignee: Stephen O'Donnell
> Priority: Major
> Labels: pull-request-available
>
> When the blocks for an ECKeyOutputStream are persisted in OM, they are in a random order, which means the data cannot be read back successfully later.
> This is because they are stored into a HashMap which does not iterate in insertion order. Instead we need to use a LinkedHashMap.
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