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https://issues.apache.org/jira/browse/SOLR-6845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14483793#comment-14483793
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Varun Thacker commented on SOLR-6845:
-------------------------------------

Hi Tomas,

I meant I removed the sentence which went like - the suggester is disabled by 
default ;) I didn't add the documentation for this param.

Anyways thanks for catching that. Here is what I wrote up for it - 

buildOnStartup: If true then the lookup data structure will be built when Solr 
starts or when the core is reloaded. If this parameter is not specified, the 
suggester will check if the lookup data structure is present on disk. If yes 
then it won't load up on startup. Enabling this to true could lead to the core 
talking longer to load as the suggester data structure needs to be built


Feel free to edit it and add it to the ref guide else I'll add it tomorrow.

> Add buildOnStartup option for suggesters
> ----------------------------------------
>
>                 Key: SOLR-6845
>                 URL: https://issues.apache.org/jira/browse/SOLR-6845
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Hoss Man
>            Assignee: Erick Erickson
>             Fix For: Trunk, 5.1
>
>         Attachments: SOLR-6845.patch, SOLR-6845.patch, SOLR-6845.patch, 
> SOLR-6845_solrconfig.patch, tests-failures.txt
>
>
> SOLR-6679 was filed to track the investigation into the following problem...
> {panel}
> The stock solrconfig provides a bad experience with a large index... start up 
> Solr and it will spin at 100% CPU for minutes, unresponsive, while it 
> apparently builds a suggester index.
> ...
> This is what I did:
> 1) indexed 10M very small docs (only takes a few minutes).
> 2) shut down Solr
> 3) start up Solr and watch it be unresponsive for over 4 minutes!
> I didn't even use any of the fields specified in the suggester config and I 
> never called the suggest request handler.
> {panel}
> ..but ultimately focused on removing/disabling the suggester from the sample 
> configs.
> Opening this new issue to focus on actually trying to identify the root 
> problem & fix it.



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