Lei (Eddy) Xu created HADOOP-13756:
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Summary: 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
Reporter: Lei (Eddy) Xu
{{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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