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https://jira.duraspace.org/browse/DS-739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17991#action_17991
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Jeffrey Trimble commented on DS-739:
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So, for batch processing, what command does the user issue to make it happen?
Is this in the command launcher?
> Improve performance of Lucene indexing
> --------------------------------------
>
> Key: DS-739
> URL: https://jira.duraspace.org/browse/DS-739
> Project: DSpace
> Issue Type: Improvement
> Reporter: Graham Triggs
> Assignee: Graham Triggs
> Fix For: 1.7.0
>
>
> Adds a batch processing mode for Lucene indexes.
> Can be controlled by calling DSIndexer.setBatchProcessingMode(boolean).
> NB: If you set batch processing mode to true, ensure that you set it to
> 'false' at the end of the batch to flush any unwritten documents.
> The size of the batch can be controlled by setting a numeric value in
> dspace.cfg for the property: search.batch.documents
> By default, the size of the batch is 20 documents.
> Additionally, there is the possibility to create a 'delayed index flusher'.
> If a web application pushes multiple search requests (ie. a barrage or sword
> deposits, or multiple quick edits in the ui), then this will combine them
> into a single index update (up to the limit of the batch defined above).
> To use the delayed update, set the property 'search.index.delay' in
> dspace.cfg to the number of milliseconds to wait for an update. eg.
> search.index.delay = 5000
> will hold a Lucene update in a queue for up to 5 seconds. After 5 seconds -
> or the batch limit above is reached - all waiting updates will be written to
> the Lucene index.
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