15 Apr 2012 22:44:37 UTC
- Distribution: KinoSearch
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- Latest versionCREAMYG Marvin Humphreyand 1 contributors
- Marvin Humphrey <marvin at rectangular dot com>
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KinoSearch::Index::IndexManager - Policies governing index updating, locking, and file deletion.
The KinoSearch code base has been assimilated by the Apache Lucy project. The "KinoSearch" namespace has been deprecated, but development continues under our new name at our new home: http://lucy.apache.org/
use Sys::Hostname qw( hostname ); my $hostname = hostname() or die "Can't get unique hostname"; my $manager = KinoSearch::Index::IndexManager->new( host => $hostname, ); # Index time: my $indexer = KinoSearch::Index::Indexer->new( index => '/path/to/index', manager => $manager, ); # Search time: my $reader = KinoSearch::Index::IndexReader->open( index => '/path/to/index', manager => $manager, ); my $searcher = KinoSearch::Search::IndexSearcher->new( index => $reader );
IndexManager is an advanced-use class for controlling index locking, updating, merging, and deletion behaviors.
IndexManager and Architecture are complementary classes: Architecture is used to define traits and behaviors which cannot change for the life of an index; IndexManager is used for defining rules which may change from process to process.
my $manager = KinoSearch::Index::IndexManager->new( host => $hostname, # default: "" );
host - An identifier which should be unique per-machine.
lock_factory - A LockFactory.
Create the Lock which controls access to modifying the logical content of the index.
Return an array of SegReaders representing segments that should be consolidated. Implementations must balance index-time churn against search-time degradation due to segment proliferation. The default implementation prefers small segments or segments with a high proportion of deletions.
reader - A PolyReader.
del_writer - A DeletionsWriter.
cutoff - A segment number which all returned SegReaders must exceed.
optimize - A boolean indicating whether to spend extra time optimizing the index for search-time performance.
foldermember. Typical clients (Indexer, IndexReader) will use this method to install their own Folder instance.
Setter for write lock timeout. Default: 1000 milliseconds.
Getter for write lock timeout.
Setter for write lock retry interval. Default: 100 milliseconds.
Getter for write lock retry interval.
KinoSearch::Index::IndexManager isa KinoSearch::Object::Obj.
Copyright 2005-2011 Marvin Humphrey
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.