[hibernate-issues] [Hibernate-JIRA] Resolved: (HHH-5823) Poor multithread performance in UpdateTimestampsCache class

[Steve Ebersole (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5823?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Ebersole resolved HHH-5823.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 4.0.0.Alpha1

> Poor multithread performance in UpdateTimestampsCache class
> -----------------------------------------------------------
>
>                 Key: HHH-5823
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5823
>             Project: Hibernate Core
>          Issue Type: Improvement
>          Components: caching (L2)
>    Affects Versions: 3.6.0
>            Reporter: Alexey Romanchuk
>            Assignee: Steve Ebersole
>             Fix For: 4.0.0.Alpha1, 3.6.1
>
>         Attachments: UpdateTimestampsCache.java
>
>          Time Spent: 38m
>  Remaining Estimate: 0h
>
> Using synchronized methods is huge performance bottle neck in UpdateTimestampsCache. Using ReentrantReadWriteLock is the solution
> New implementation is attached

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