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From "Michael McCandless (Commented) (JIRA)" <>
Subject [jira] [Commented] (SOLR-2809) searcher leases
Date Tue, 04 Oct 2011 16:43:34 GMT


Michael McCandless commented on SOLR-2809:

I've been working on a similar idea, as a standalone utility class, that records searchers
keyed by their IR.getVersion().

I think this is important not only for consistency within a single distributed search request,
but also across requests when a user does a follow-on action (next page, drill down/up, etc.),
especially now that we have searchAfter where the "last bottom" can easily shift.

I'll open a new issue; I'm not sure we can combine the approaches but maybe...
> searcher leases
> ---------------
>                 Key: SOLR-2809
>                 URL:
>             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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