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https://jira.duraspace.org/browse/DS-659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark H. Wood updated DS-659:
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Status: Open (was: Received)
> Collection.findAll performance issue - offset and limit improvement
> -------------------------------------------------------------------
>
> Key: DS-659
> URL: https://jira.duraspace.org/browse/DS-659
> Project: DSpace
> Issue Type: Improvement
> Components: DSpace API
> Affects Versions: 1.7.0
> Reporter: Bojan Suzic
> Priority: Trivial
> Attachments: collection.java.add.txt
>
> Original Estimate: 1 hour
> Remaining Estimate: 1 hour
>
> During the REST API development it has been noticed that in some cases
> Collection.findAll may introduce performance issues, e.g. by working on big
> collections.
> For REST based browsing it is inefficient to preload big collection of say
> 20000 items and then return only first 100 items to the user. There are also
> other examples.
> In order to prevent those issues and optimize response I created two
> additional findall functions making possible to use offset and limit clauses
> during collections browsing. Also the simple function for returning number of
> collections in the system is added.
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