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https://issues.apache.org/jira/browse/HDFS-14164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Palanisamy updated HDFS-14164:
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Description:
Mistakenly, User has configured safemode
threshold(dfs.namenode.safemode.threshold-pct) to 090 instead of 0.90. Due to
this change, UI has the incorrect summary and it never turns to be out of
safemode until manual intervention. Because total block count will never match
with an additional block count, which is to be reported.
I.e
{code:java}
Wrong setting: dfs.namenode.safemode.threshold-pct=090
Summary:
Safe mode is ON. The reported blocks 0 needs additional 360 blocks to reach the
threshold 90.0000 of total blocks 4. The number of live datanodes 3 has reached
the minimum number 0. Safe mode will be turned off automatically once the
thresholds have been reached.
10 files and directories, 4 blocks (4 replicated blocks, 0 erasure coded block
groups) = 14 total filesystem object(s).
{code}
was:
Mistakenly, User has configured safemode
threshold(dfs.namenode.safemode.threshold-pct) to 090 instead of 0.90. Due to
this change, UI has the incorrect summary and it never turns to be out of
safemode until manual intervention. Because total block count will never match
with an additional block count, which is to be reported.
i.e
Wrong setting: dfs.namenode.safemode.threshold-pct=090
Summary:
Safe mode is ON. The reported blocks 0 needs additional 360 blocks to reach the
threshold 90.0000 of total blocks 4. The number of live datanodes 3 has reached
the minimum number 0. Safe mode will be turned off automatically once the
thresholds have been reached.
10 files and directories, 4 blocks (4 replicated blocks, 0 erasure coded block
groups) = 14 total filesystem object(s).
> Namenode should not be started if safemode threshold is out of boundary
> -----------------------------------------------------------------------
>
> Key: HDFS-14164
> URL: https://issues.apache.org/jira/browse/HDFS-14164
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.7.3, 3.1.1
> Environment: #apache hadoop-3.1.1
> Reporter: Karthik Palanisamy
> Assignee: Karthik Palanisamy
> Priority: Minor
> Labels: patch
> Attachments: HDFS-14164-001.patch
>
>
> Mistakenly, User has configured safemode
> threshold(dfs.namenode.safemode.threshold-pct) to 090 instead of 0.90. Due to
> this change, UI has the incorrect summary and it never turns to be out of
> safemode until manual intervention. Because total block count will never
> match with an additional block count, which is to be reported.
> I.e
> {code:java}
> Wrong setting: dfs.namenode.safemode.threshold-pct=090
> Summary:
> Safe mode is ON. The reported blocks 0 needs additional 360 blocks to reach
> the threshold 90.0000 of total blocks 4. The number of live datanodes 3 has
> reached the minimum number 0. Safe mode will be turned off automatically once
> the thresholds have been reached.
> 10 files and directories, 4 blocks (4 replicated blocks, 0 erasure coded
> block groups) = 14 total filesystem object(s).
> {code}
>
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