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https://issues.apache.org/jira/browse/HDFS-12473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16173436#comment-16173436
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Hudson commented on HDFS-12473:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12926 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/12926/])
HDFS-12473. Change hosts JSON file format. (mingma: rev
230b85d5865b7e08fb7aaeab45295b5b966011ef)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/util/TestCombinedHostsFileReader.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/util/CombinedHostsFileWriter.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/CombinedHostFileManager.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/resources/dfs.hosts.json
* (add) hadoop-hdfs-project/hadoop-hdfs/src/test/resources/legacy.dfs.hosts.json
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/util/CombinedHostsFileReader.java
> Change hosts JSON file format
> -----------------------------
>
> Key: HDFS-12473
> URL: https://issues.apache.org/jira/browse/HDFS-12473
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Ming Ma
> Assignee: Ming Ma
> Attachments: HDFS-12473-2.patch, HDFS-12473-3.patch,
> HDFS-12473-4.patch, HDFS-12473-5.patch, HDFS-12473-6.patch,
> HDFS-12473-branch-2.patch, HDFS-12473.patch
>
>
> The existing host JSON file format doesn't have a top-level token.
> {noformat}
> {"hostName": "host1"}
> {"hostName": "host2", "upgradeDomain": "ud0"}
> {"hostName": "host3", "adminState": "DECOMMISSIONED"}
> {"hostName": "host4", "upgradeDomain": "ud2", "adminState":
> "DECOMMISSIONED"}
> {"hostName": "host5", "port": 8090}
> {"hostName": "host6", "adminState": "IN_MAINTENANCE"}
> {"hostName": "host7", "adminState": "IN_MAINTENANCE",
> "maintenanceExpireTimeInMS": "112233"}
> {noformat}
> Instead, to conform with the JSON standard it should be like
> {noformat}
> [
> {"hostName": "host1"},
> {"hostName": "host2", "upgradeDomain": "ud0"},
> {"hostName": "host3", "adminState": "DECOMMISSIONED"},
> {"hostName": "host4", "upgradeDomain": "ud2", "adminState":
> "DECOMMISSIONED"},
> {"hostName": "host5", "port": 8090},
> {"hostName": "host6", "adminState": "IN_MAINTENANCE"},
> {"hostName": "host7", "adminState": "IN_MAINTENANCE",
> "maintenanceExpireTimeInMS": "112233"}
> ]
> {noformat}
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