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From "Manoj Govindassamy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12473) Change hosts JSON file format
Date Tue, 19 Sep 2017 20:40:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16172303#comment-16172303
] 

Manoj Govindassamy commented on HDFS-12473:
-------------------------------------------

LGTM, +1. Thanks [~mingma].

> 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.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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