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From "David Smiley (JIRA)" <>
Subject [jira] [Commented] (SOLR-11511) Use existing private field in DistributedUpdateProcessor
Date Wed, 25 Oct 2017 02:47:00 GMT


David Smiley commented on SOLR-11511:

+1 thanks Gus; I'll merge

> Use existing private field in DistributedUpdateProcessor
> --------------------------------------------------------
>                 Key: SOLR-11511
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrCloud
>    Affects Versions: master (8.0)
>            Reporter: Gus Heck
>         Attachments: SOLR-11511.patch
> The DistributedUpdateProcessor has a private instance field called cloudDesc. It is used
in a few places, but most code navigates to CloudDescriptor from the request object instead.

> The fundamental question of this ticket, is this: is there any reason to distrust this
field and do the navigation directly (in which case maybe we get rid of the field instead?)
or can we trust it and thus should use it where we can. Since it is a private field only ever
updated in the constructor, it's not likely to be changing out from under us. The request
from which it is derived is also held in a private final field, so it very much looks to me
like this field should have been final and should be used.
> This might or might not be a performance gain (depending on whether or not the compiler
can optimize away something like this already), but it will be a readability and consistency
gain for sure.
> Attaching patch to tidy this up shortly...

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