[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-513) Experiencing long delays when indexing entities saved in different transactions

[Amin Mohammed-Coleman (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=36981#action_36981 ] 

Amin Mohammed-Coleman commented on HSEARCH-513:
-----------------------------------------------

I've attached my output from my test. I'll look at using your entire project. It's very strange that you run out of memory as i've run my tests more than once without that.

> Experiencing long delays when indexing entities saved in different transactions
> -------------------------------------------------------------------------------
>
>                 Key: HSEARCH-513
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-513
>             Project: Hibernate Search
>          Issue Type: Bug
>          Components: engine
>    Affects Versions: 3.2.0.CR1
>         Environment: Hibernate 3.5.1-Final
> Spring 3.0.2
> MySQL Connector 5.1.6
>            Reporter: Florin Haizea
>             Fix For: 3.3.0
>
>         Attachments: AllLibsExceptSpringAndHibernate.zip, hibernate3.jar, HibernateSearchJira.zip, output.txt, output08052010.rtf, SpringAndHibernateLibs.zip
>
>
> https://forum.hibernate.org/viewtopic.php?f=9&t=1003224
> I have 3 entities Person, Event and ParentOfBirthEvent. I save about 8000 Person objects in batches of 20, each batch is being saved in a different transaction. After a sufficient number of entities have been persisted (the saving and indexing of initial batches takes between150ms and 500ms) the indexing of the entities that are saved in some of the following batches takes a very large amount of time (sometime even minutes for a whole batch).
> The problem is that in order for these delays to appear there has to be a certain relationship between the objects saved in the current batch and objects saved in previous batches. The only way in which I can reproduce this 100% is by importing a file (which was submitted by one of the users of our app), creating entities based on the data in that file and saving the entities in batches of 20. When I reach batch number 273 or so the indexing starts taking a lot of time.
> If I removed the @IndexedEmbedded annotation from the "parent" field in the ParentOfBirthEvent class the problem is solved. Also, if I removed all the hibernate search listeners from the sessionFactory the problem is solved.

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