[hibernate-issues] [Hibernate-JIRA] Assigned: (HSEARCH-570) Optimize the o^2 loop in DocumentBuilderIndexedEntity.addWorkToQueue

[Sanne Grinovero (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sanne Grinovero reassigned HSEARCH-570:
---------------------------------------

    Assignee: Sanne Grinovero

> Optimize the o^2 loop in DocumentBuilderIndexedEntity.addWorkToQueue
> --------------------------------------------------------------------
>
>                 Key: HSEARCH-570
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-570
>             Project: Hibernate Search
>          Issue Type: Improvement
>    Affects Versions: 3.2.0.Final, 3.2.1, 3.3.0.Alpha1
>            Reporter: Sanne Grinovero
>            Assignee: Sanne Grinovero
>
> there's a long-standing comment in the method:
> bq. //TODO with the caller loop we are in a n^2: optimize it using a HashMap for work recognition
> Apparently it has a critical impact in some scenarios: [this forum post|https://forum.hibernate.org/viewtopic.php?f=9&t=1006054] mentions the algorithm "running for days" in a 1000 elements change in a single transaction.

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