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https://issues.apache.org/jira/browse/HDDS-12752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Chuan Yu reassigned HDDS-12752:
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Assignee: Chia-Chuan Yu
> Remove unnecessary Preconditions#checkArgument from OM validateAndUpdateCache
> -----------------------------------------------------------------------------
>
> Key: HDDS-12752
> URL: https://issues.apache.org/jira/browse/HDDS-12752
> Project: Apache Ozone
> Issue Type: Task
> Components: OM
> Reporter: Ivan Andika
> Assignee: Chia-Chuan Yu
> Priority: Minor
>
> Currently, we have some Preconditions#checkArgument and
> Preconditions#checkNotNull called inside
> OMClientRequest#validateAndUpdateCache which will throw unchecked exceptions
> and crash the OM. This is because OMClientRequest#validateAndUpdateCache is
> called inside the Ratis StateMachineUpdater which is in charge of applying
> the commited Raft log sequentially.
> For example OMKeyRequest#prepareMultipartFileInfo contains
> Preconditions#checkArgument that the multipartNumber in KeyArgs needs to be >
> 0. This will throw unchecked exceptions which will crash the OM, although
> throwing an OMException would have suffice. Although AWS S3 SDK client most
> probably have an internal check, other S3 SDK might not have this check and
> will simply defer it to the server-side, which will crash OM.
> We need to remove the unnecessary Preconditions and only use it if the
> Preconditions failure means there is already an unrecoverable OM corruption.
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