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From "Vadim Kisselmann (JIRA)" <>
Subject [jira] [Commented] (SOLR-2565) Prevent IW#close and cut over to IW#commit
Date Thu, 11 Aug 2011 12:41:27 GMT


Vadim Kisselmann commented on SOLR-2565:

I tested the nightly build #1595 with an new patch (2565), but NRT doesn't work in my case.

I index 10 docs/sec, it takes 1-30sec. to see the results.
same behavior when i update an existing document.

My addedDate is an timestamp (default="NOW"). In worst case i can see what the document which
i indexed is already more when 30
seconds in my index, but i can't see it.

My Settings:


Are my settings wrong or need you more details?

> Prevent IW#close and cut over to IW#commit
> ------------------------------------------
>                 Key: SOLR-2565
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>          Components: update
>    Affects Versions: 4.0
>            Reporter: Simon Willnauer
>            Assignee: Mark Miller
>             Fix For: 4.0
>         Attachments: SOLR-2565.patch, SOLR-2565.patch
> Spinnoff from SOLR-2193. We already have a branch to work on this issue here

> The main goal here is to prevent solr from closing the IW and use IW#commit instead.
AFAIK the main issues here are:
> The update handler needs an overhaul.
> A few goals I think we might want to look at:
> 1. Expose the SolrIndexWriter in the api or add the proper abstractions to get done what
we now do with special casing:
> 2. Stop closing the IndexWriter and start using commit (still lazy IW init though).
> 3. Drop iwAccess, iwCommit locks and sync mostly at the Lucene level.
> 4. Address the current issues we face because multiple original/'reloaded' cores can
have a different IndexWriter on the same index.
> Eventually this is a preparation for NRT support in Solr which I will create a followup
issue for.

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