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From "Andrzej Bialecki (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2809) searcher leases
Date Tue, 04 Oct 2011 14:38:34 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13120164#comment-13120164
] 

Andrzej Bialecki  commented on SOLR-2809:
-----------------------------------------

Multiple leases could lead to searchers piling up ... perhaps it's less expensive to pass
around searcher versions and fail+retry distributed requests if the reported version from
a node disagrees with the version obtained during earlier phases? I guess it depends on the
rate of change, and consequently the likelihood of failure.
                
> searcher leases
> ---------------
>
>                 Key: SOLR-2809
>                 URL: https://issues.apache.org/jira/browse/SOLR-2809
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Yonik Seeley
>
> Leases/reservations on searcher instances would give us the ability to use the same searcher
across phases of a distributed search, or for clients to send multiple requests and have them
hit a consistent/unchanging view of the index. The latter requires something extra to ensure
that the load balancer contacts the same replicas as before.

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