You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@hc.apache.org by "Stephane Routhiau (JIRA)" <ji...@apache.org> on 2014/09/10 16:40:28 UTC
[jira] [Updated] (HTTPCORE-390) Performance issue on
AbstractNIOConnPool
[ https://issues.apache.org/jira/browse/HTTPCORE-390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stephane Routhiau updated HTTPCORE-390:
---------------------------------------
Attachment: SessionRequestCallback.java
RouteSpecificPool.java
patch-performance nio pool.patch
httpcore-nio-4.3.2-opt.jar
DefaultConnectingIOReactor.java
AbstractNIOConnPool.java
Patch and modified files
> Performance issue on AbstractNIOConnPool
> ----------------------------------------
>
> Key: HTTPCORE-390
> URL: https://issues.apache.org/jira/browse/HTTPCORE-390
> Project: HttpComponents HttpCore
> Issue Type: Improvement
> Components: HttpCore NIO
> Affects Versions: 4.3.2
> Reporter: Stephane Routhiau
> Labels: concurrency, performance
> Attachments: AbstractNIOConnPool.java, DefaultConnectingIOReactor.java, RouteSpecificPool.java, SessionRequestCallback.java, patch-performance nio pool.patch
>
>
> AbstractNIOConnPool use a ReentrantLock for lease and release connection.
> We have noticed important contention when we try to use hundreds of connexions to the same host, the lock is to vast.
> I managed to rework a part of the code so there is no more use of a ReentrantLock, but use of ConcurrentHashMap and so on.
> The unit tests are ok and the load tests we have made on the patch version are about 40 % faster under heavy load
> Please find attached patch file againt http-nio 4.3.2 and the modified sources files of http-nio 4.3.2
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@hc.apache.org
For additional commands, e-mail: dev-help@hc.apache.org