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From Erick Erickson <>
Subject Re: SOLR Indexed object delete automatically.
Date Mon, 24 Apr 2017 18:35:48 GMT
Solr does not delete files/documents by itself with the exception of
TTL (Time To Live, since Solr 4.8. See:

so unless you've configured TTL, which I doubt you have if you're
asking this question then I'd suspect several possibilities:
> You have DIH set to clean every time it's run and it didn't run successfully. So the
clean step (which deletes all docs) finished but the index didn't get repopulated.

> Someone issued a delete-by-query on *:*

> Someone just deleted the index files from your sever accidentally.


On Mon, Apr 24, 2017 at 8:55 AM, Saurav Maulick <> wrote:
> Hi Team,
> We are using Solr 5.4.1 (in Windows with Zookeper). Our problem is Solr
> automatically delete all indexed files.from last couple of days.
> Is their any Maxout setting which can cause this issue?
> This is our production issue and any quick help is highly appreciated.
> --
> Thanks and Regards,
> Saurav Maulick

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