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Posted to log4j-dev@logging.apache.org by "Remko Popma (JIRA)" <ji...@apache.org> on 2016/09/24 17:25:20 UTC
[jira] [Reopened] (LOG4J2-1607) Improve performance of
SortedArrayStringMap data structure
[ https://issues.apache.org/jira/browse/LOG4J2-1607?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Remko Popma reopened LOG4J2-1607:
---------------------------------
> Improve performance of SortedArrayStringMap data structure
> ----------------------------------------------------------
>
> Key: LOG4J2-1607
> URL: https://issues.apache.org/jira/browse/LOG4J2-1607
> Project: Log4j 2
> Issue Type: Improvement
> Affects Versions: 2.7
> Reporter: Remko Popma
> Assignee: Remko Popma
> Fix For: 2.7
>
> Attachments: InjectWithProperties.png, InjectWithoutProperties.png, ThreadContext-Get.png, ThreadContext-PutAndRemove.png
>
>
> [Performance testing|https://issues.apache.org/jira/browse/LOG4J2-1349?focusedCommentId=15432877&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15432877] for LOG4J2-1349 showed that the SortedArray-based data structure can be copied fast, but its {{get()}} and {{put()}} performance is worse than a hash-based data structure like the JDK HashMap.
> This ticket is to investigate options for improving performance of the {{get()}} operation, since this can impact the performance of Filters and Lookups.
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