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https://issues.apache.org/jira/browse/SOLR-1513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12766864#action_12766864
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Noble Paul edited comment on SOLR-1513 at 10/17/09 2:08 AM:
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bq.Google Collections is already checked in as a dependency of Carrot
clustering.
Then we need to move it to core.
Jason . We do not need to remove the original option. We can probably add an
extra parameter say softRef="true" or something. That way , we are not screwing
up anything and perf benefits can be studied separately.
was (Author: noble.paul):
bq.Google Collections is already checked in as a dependency of Carrot
clustering.
in that e need to move it to core.
Jason . We do not need to remove the original option. We can probably add an
extra parameter say softRef="true" or something. That way , we are not screwing
up anything and perf benefits can be studied separately.
> Use Google Collections in ConcurrentLRUCache
> --------------------------------------------
>
> Key: SOLR-1513
> URL: https://issues.apache.org/jira/browse/SOLR-1513
> Project: Solr
> Issue Type: Improvement
> Components: search
> Affects Versions: 1.4
> Reporter: Jason Rutherglen
> Priority: Minor
> Fix For: 1.5
>
> Attachments: google-collect-snapshot.jar, SOLR-1513.patch
>
>
> ConcurrentHashMap is used in ConcurrentLRUCache. The Google Colletions
> concurrent map implementation allows for soft values that are great for
> caches that potentially exceed the allocated heap. Though I suppose Solr
> caches usually don't use too much RAM?
> http://code.google.com/p/google-collections/
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