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From "Jason Rutherglen (JIRA)" <>
Subject [jira] Commented: (LUCENE-1473) Implement Externalizable in main top level searcher classes
Date Wed, 03 Dec 2008 19:33:44 GMT


Jason Rutherglen commented on LUCENE-1473:

"In regards to Doug's comment about an alternate form... doesn't SOLR already have a XML based
query format?  If so, just persist the queries using this. You will be immune to serialization
changes (provided the SOLR parser remains backwards compatible)."

SOLR does not have an XML based query format.  XML is not ideal for distributed search because
it is slow and verbose.  There are many ways to serialize things, the issue is not in choosing
one, but in supporting what most Java libraries do today which is native to the Java platform.

> Implement Externalizable in main top level searcher classes
> -----------------------------------------------------------
>                 Key: LUCENE-1473
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Search
>    Affects Versions: 2.4
>            Reporter: Jason Rutherglen
>            Priority: Minor
>         Attachments: LUCENE-1473.patch
> To maintain serialization compatibility between Lucene versions, major classes can implement
Externalizable.  This will make Serialization faster due to no reflection required and maintain
backwards compatibility.  

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