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https://issues.apache.org/jira/browse/HADOOP-13756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-13756:
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Parent: HADOOP-15226 (was: HADOOP-15619)
> LocalMetadataStore#put(DirListingMetadata) should also put file metadata into
> fileHash.
> ---------------------------------------------------------------------------------------
>
> Key: HADOOP-13756
> URL: https://issues.apache.org/jira/browse/HADOOP-13756
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3, test
> Affects Versions: 3.0.0-beta1
> Reporter: Lei (Eddy) Xu
> Assignee: Gabor Bota
> Priority: Major
> Fix For: 3.2.0
>
> Attachments: HADOOP-13756.001.patch
>
>
> {{LocalMetadataStore#put(DirListingMetadata)}} only puts the metadata into
> {{dirHash}}, thus all {{FileStatus}} s are missing from
> {{LocalMedataStore#fileHash()}}, which makes it confuse to use.
> So in the current way, to correctly put file status into the store (and also
> set {{authoriative}} flag), you need to run {code}
> List<PathMetadata> metas = new ArrayList<PathMetadata>();
> boolean authorizative = true;
> for (S3AFileStatus status : files) {
> PathMetadata meta = new PathMetadata(status);
> store.put(meta);
> }
> DirListingMetadata dirMeta = new DirMeta(parent, metas, authorizative);
> store.put(dirMeta);
> {code}
> Since solely calling {{store.put(dirMeta)}} is not correct, and calling
> {{store.put(dirMeta);}} after putting all sub-file {{FileStatuss}} does the
> repetitive jobs. Can we just use a {{put(PathMetadata)}} and a
> {{get/setAuthorative()}} in the MetadataStore interface instead?
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