hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10887) Provide admin/debug tool to dump block map
Date Thu, 22 Sep 2016 07:02:21 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10887?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yongjun Zhang updated HDFS-10887:
---------------------------------
    Status: Patch Available  (was: Open)

> Provide admin/debug tool to dump block map
> ------------------------------------------
>
>                 Key: HDFS-10887
>                 URL: https://issues.apache.org/jira/browse/HDFS-10887
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs, namenode
>            Reporter: Yongjun Zhang
>            Assignee: Yongjun Zhang
>         Attachments: HDFS-10887.001.patch
>
>
> From time to time, when NN restarts, we see
> {code}
> "The reported blocks X needs additional Y blocks to reach the threshold 0.9990 of total
blocks Z. Safe mode will be turned off automatically.
> {code}
> We'd wonder what these blocks that still need block reports are, and what DNs they could
possibly be located, what happened to these DNs.
> This jira to to propose a new admin or debug tool to dump the block map info with the
blocks that have fewer than minRepl replicas.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org


Mime
View raw message