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https://issues.apache.org/jira/browse/HDFS-6565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15121913#comment-15121913
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Demeter Sztanko commented on HDFS-6565:
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We are experiencing performance degradation of webhdfs, when listing
directories with large amount of files (>1000). Our profiling is indicating
that most of resources are spent within Jackson library.
Do you think replacing jetty with jackson could be the cause of this?
> Use jackson instead jetty json in hdfs-client
> ---------------------------------------------
>
> Key: HDFS-6565
> URL: https://issues.apache.org/jira/browse/HDFS-6565
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Haohui Mai
> Assignee: Akira AJISAKA
> Fix For: 2.7.0
>
> Attachments: HDFS-6565-002.patch, HDFS-6565-003.patch,
> HDFS-6565-004.patch, HDFS-6565-005.patch, HDFS-6565.patch
>
>
> hdfs-client should use Jackson instead of jetty to parse JSON.
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