You are viewing a plain text version of this content. The canonical link for it is here.
Posted to hdfs-dev@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2017/10/24 22:05:00 UTC
[jira] [Reopened] (HDFS-12502) nntop should support a category
based on FilesInGetListingOps
[ https://issues.apache.org/jira/browse/HDFS-12502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhe Zhang reopened HDFS-12502:
------------------------------
> nntop should support a category based on FilesInGetListingOps
> -------------------------------------------------------------
>
> Key: HDFS-12502
> URL: https://issues.apache.org/jira/browse/HDFS-12502
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: metrics
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
> Fix For: 2.9.0, 2.8.3, 3.0.0, 3.1.0
>
> Attachments: HDFS-12502.00.patch, HDFS-12502.01.patch, HDFS-12502.02.patch, HDFS-12502.03.patch, HDFS-12502.04.patch
>
>
> Large listing ops can oftentimes be the main contributor to NameNode slowness. The aggregate cost of listing ops is proportional to the {{FilesInGetListingOps}} rather than the number of listing ops. Therefore it'd be very useful for nntop to support this category.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-dev-unsubscribe@hadoop.apache.org
For additional commands, e-mail: hdfs-dev-help@hadoop.apache.org