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Posted to hdfs-issues@hadoop.apache.org by "Weiwei Yang (JIRA)" <ji...@apache.org> on 2017/05/25 01:30:04 UTC
[jira] [Commented] (HDFS-11846) Ozone: Fix Http connection leaks in
ozone clients
[ https://issues.apache.org/jira/browse/HDFS-11846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16024003#comment-16024003 ]
Weiwei Yang commented on HDFS-11846:
------------------------------------
Thank you [~xyao] :).
> Ozone: Fix Http connection leaks in ozone clients
> -------------------------------------------------
>
> Key: HDFS-11846
> URL: https://issues.apache.org/jira/browse/HDFS-11846
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Fix For: HDFS-7240
>
> Attachments: HDFS-11846-HDFS-7240.001.patch, HDFS-11846-HDFS-7240.002.patch
>
>
> There are several problems
> # Http clients in {{OzoneVolume}}, {{OzoneBucket}} and {{OzoneClient}} are created per request, per [Reuse of HttpClient instance|http://hc.apache.org/httpclient-3.x/performance.html#Reuse_of_HttpClient_instance] doc, proposed to reuse the http client instance to reduce the over head.
> # Some resources in these classes were not properly cleaned up. E.g the http connection, HttpGet/HttpPost requests.
>
> This jira's purpose is to fix these issues and investigate how we can improve the client.
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