Siyao Meng created HDFS-14665:
---------------------------------
Summary: HttpFS: LISTSTATUS result is missing some fields for each
entry
Key: HDFS-14665
URL: https://issues.apache.org/jira/browse/HDFS-14665
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Siyao Meng
WebHDFS:
{code:java}
GET /webhdfs/v1/tmp/?op=LISTSTATUS&user.name=hdfs HTTP/1.1
{code}
{code}
{
"FileStatuses": {
"FileStatus": [
...
{
"accessTime": 0,
"blockSize": 0,
"childrenNum": 0,
"fileId": 16395,
"group": "hadoop",
"length": 0,
"modificationTime": 1563893395614,
"owner": "mapred",
"pathSuffix": "logs",
"permission": "1777",
"replication": 0,
"storagePolicy": 0,
"type": "DIRECTORY"
}
]
}
}
{code}
HttpFS:
{code:java}
GET /webhdfs/v1/tmp/?op=LISTSTATUS&user.name=hdfs HTTP/1.1
{code}
{code}
{
"FileStatuses": {
"FileStatus": [
...
{
"pathSuffix": "logs",
"type": "DIRECTORY",
"length": 0,
"owner": "mapred",
"group": "hadoop",
"permission": "1777",
"accessTime": 0,
"modificationTime": 1563893395614,
"blockSize": 0,
"replication": 0
}
]
}
}
{code}
You can see the same LISTSTATUS request to HttpFS is missing childrenNum
(directories only I guess), fileId and storagePolicy fields. The same applies
to LISTSTATUS_BATCH, which might be using the same underlying calls to compose
the response.
Also may file another Jira to align the order of the keys in the responses.
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