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Posted to common-issues@hadoop.apache.org by "Akira Ajisaka (Jira)" <ji...@apache.org> on 2022/03/24 18:24:00 UTC

[jira] [Resolved] (HADOOP-18171) NameNode Access Time Precision

     [ https://issues.apache.org/jira/browse/HADOOP-18171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Akira Ajisaka resolved HADOOP-18171.
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    Resolution: Invalid

Setting the value of 0 disables access times for HDFS. You should ask CDP-related question to Cloudera support instead of filing this issue.

> NameNode Access Time Precision
> ------------------------------
>
>                 Key: HADOOP-18171
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18171
>             Project: Hadoop Common
>          Issue Type: Improvement
>         Environment: As of now we are on CDH version 6.3.4 and we are planning to upgrade it to CDP version 7.1.4. for that cloudera want us to disable namenode property dfs.access.time.precision by changing it's value to 0. Current value for this property is 1 hour. so my question is that how this value is impacting in current scenario? what is the effect of that and what will happen If I make it to zero.
>            Reporter: Doug
>            Priority: Major
>         Attachments: namenodeaccesstime.png
>
>




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