A Mirroring Split Policy For Load-Balancing Search Requests
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Key: LUCENE-2434
URL: https://issues.apache.org/jira/browse/LUCENE-2434
Project: Lucene - Java
Issue Type: New Feature
Reporter: Karthick Sankarachary
Attachments: LUCENE-2434.patch
(Please note that the feature described in LUCENE-2425 is required reading for
this issue.)
The mirroring split policy builds on the remoting split policy, treating each
sub-index as a mirror of the super-index (upon which the split writer is
built). The motivation for this policy is to allow a given index to be
available on multiple nodes (that define a cluster), which helps to
load-balance search requests across the nodes in that cluster, not to mention
implement fail-over for index searchers.
Unlike other mirroring solutions for Lucene, this approach gives users the
ability to (a) pick and choose the types of directories underlying the mirror,
and (b) add/remove mirrors on the fly. However, note that the latter capability
has not yet been implemented, although it will be soon.
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