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From "Robert Muir (Updated) (JIRA)" <>
Subject [jira] [Updated] (SOLR-3142) remove O(n^2) slow slow indexing defaults in DataImportHandler
Date Sun, 19 Feb 2012 15:02:34 GMT


Robert Muir updated SOLR-3142:

    Attachment: SOLR-3142.patch

patch for the optimize.

I agree about the soft commit, if not even the default it should at least be allowable/configurable...
but I just didn't implement this in the patch.

In general whatever options are available for commit should be consistent with what DIH allows,
maybe we should open a separate issue to ensure this is the case.

> remove O(n^2) slow slow indexing defaults in DataImportHandler
> --------------------------------------------------------------
>                 Key: SOLR-3142
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Robert Muir
>            Assignee: Robert Muir
>             Fix For: 3.6, 4.0
>         Attachments: SOLR-3142.patch
> By default, dataimporthandler optimizes the entire index when it commits.
> This is bad for performance, because it means by default its doing a very
> heavy index-wide operation even for an incremental update... essentially 
> O(n^2) indexing.
> All that is needed is to set optimize=false by default. If someone wants
> to optimize, they can either set optimize=true or explicitly optimize themselves.

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