[hibernate-issues] [Hibernate-JIRA] Resolved: (HSEARCH-626) Allow MassIndexer to work alongside regular indexing / querying
Sanne Grinovero (JIRA)
noreply at atlassian.com
Wed Aug 17 11:19:03 EDT 2011
[ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sanne Grinovero resolved HSEARCH-626.
-------------------------------------
Resolution: Fixed
> Allow MassIndexer to work alongside regular indexing / querying
> ---------------------------------------------------------------
>
> Key: HSEARCH-626
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-626
> Project: Hibernate Search
> Issue Type: New Feature
> Components: massindexer
> Reporter: Emmanuel Bernard
> Assignee: Sanne Grinovero
> Fix For: 4.0.0.Alpha1
>
>
> Some people want to use mass indexer to reindex live some data.
> This is problematic today as MassIndexer expects to work alone / offline.
> I can see at least one approach:
> - copy the index to a new Directory before mass indexing (or if exclusive, start with a new Directory while keeping the old Directory in place
> - the current directory needs to become read-only
> - all index update (on the entity) requests should be queued up for after massIndexer is done
> - MassIndexer swaps the current and the new directory
> - indexing and querying resume as normal
> Note that we need to work on a different directory because mass indexer does delete all entries of an entity before starting the reindexing process.
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