29 Sep 2010 18:00:56 UTC
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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.
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-usage 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, needed by several methods. 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 2005-2010 Marvin Humphrey
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.