index definition

index test1{	# index type	# optional, default is 'plain'	# known values are 'plain', 'distributed', and 'rt' (see samples below)	# type			= plain	# document source(s) to index	# multi-value, mandatory	# document IDs must be globally unique across all sources	source			= src1	# index files path and file name, without extension	# mandatory, path must be writable, extensions will be auto-appended	path			= /usr/local/sphinx/var/data/test1	# document attribute values (docinfo) storage mode	# optional, default is 'extern'	# known values are 'none', 'extern' and 'inline'	docinfo			= extern	# dictionary type, 'crc' or 'keywords'	# crc is faster to index when no substring/wildcards searches are needed	# crc with substrings might be faster to search but is much slower to index	# (because all substrings are pre-extracted as individual keywords)	# keywords is much faster to index with substrings, and index is much (3-10x) smaller	# keywords supports wildcards, crc does not, and never will	# optional, default is 'keywords'	dict			= keywords	# memory locking for cached data (.spa and .spi), to prevent swapping	# optional, default is 0 (do not mlock)	# requires searchd to be run from root	mlock			= 0	# a list of morphology preprocessors to apply	# optional, default is empty	#	# builtin preprocessors are 'none', 'stem_en', 'stem_ru', 'stem_enru',	# 'soundex', and 'metaphone'; additional preprocessors available from	# libstemmer are 'libstemmer_XXX', where XXX is algorithm code	# (see libstemmer_c/libstemmer/modules.txt)	#	# morphology		= stem_en, stem_ru, soundex	# morphology		= libstemmer_german	# morphology		= libstemmer_sv	morphology		= none	# minimum word length at which to enable stemming	# optional, default is 1 (stem everything)	#	# min_stemming_len	= 1	# stopword files list (space separated)	# optional, default is empty	# contents are plain text, charset_table and stemming are both applied	#	# stopwords		= /usr/local/sphinx/var/data/stopwords.txt	# wordforms file, in "mapfrom > mapto" plain text format	# optional, default is empty	#	# wordforms		= /usr/local/sphinx/var/data/wordforms.txt	# tokenizing exceptions file	# optional, default is empty	#	# plain text, case sensitive, space insensitive in map-from part	# one "Map Several Words => ToASingleOne" entry per line	#	# exceptions		= /usr/local/sphinx/var/data/exceptions.txt	# embedded file size limit	# optional, default is 16K	#	# exceptions, wordforms, and stopwords files smaller than this limit	# are stored in the index; otherwise, their paths and sizes are stored	#	# embedded_limit		= 16K	# minimum indexed word length	# default is 1 (index everything)	min_word_len		= 1	# ignored characters list	# optional, default value is empty	#	# ignore_chars		= U+00AD	# minimum word prefix length to index	# optional, default is 0 (do not index prefixes)	#	# min_prefix_len		= 0	# minimum word infix length to index	# optional, default is 0 (do not index infixes)	#	# min_infix_len		= 0	# maximum substring (prefix or infix) length to index	# optional, default is 0 (do not limit substring length)	#	# max_substring_len	= 8	# list of fields to limit prefix/infix indexing to	# optional, default value is empty (index all fields in prefix/infix mode)	#	# prefix_fields		= filename	# infix_fields		= url, domain	# expand keywords with exact forms and/or stars when searching fit indexes	# search-time only, does not affect indexing, can be 0 or 1	# optional, default is 0 (do not expand keywords)	#	# expand_keywords		= 1		# n-gram length to index, for CJK indexing	# only supports 0 and 1 for now, other lengths to be implemented	# optional, default is 0 (disable n-grams)	#	# ngram_len		= 1	# n-gram characters list, for CJK indexing	# optional, default is empty	#	# ngram_chars		= U+3000..U+2FA1F	# phrase boundary characters list	# optional, default is empty	#	# phrase_boundary		= ., ?, !, U+2026 # horizontal ellipsis	# phrase boundary word position increment	# optional, default is 0	#	# phrase_boundary_step	= 100	# blended characters list	# blended chars are indexed both as separators and valid characters	# for instance, AT&T will results in 3 tokens ("at", "t", and "at&t")	# optional, default is empty	#	# blend_chars		= +, &, U+23	# blended token indexing mode	# a comma separated list of blended token indexing variants	# known variants are trim_none, trim_head, trim_tail, trim_both, skip_pure	# optional, default is trim_none	#	# blend_mode		= trim_tail, skip_pure	# whether to strip HTML tags from incoming documents	# known values are 0 (do not strip) and 1 (do strip)	# optional, default is 0	html_strip		= 0	# what HTML attributes to index if stripping HTML	# optional, default is empty (do not index anything)	#	# html_index_attrs	= img=alt,title; a=title;	# what HTML elements contents to strip	# optional, default is empty (do not strip element contents)	#	# html_remove_elements	= style, script	# whether to preopen index data files on startup	# optional, default is 0 (do not preopen), searchd-only	#	# preopen			= 1	# whether to enable in-place inversion (2x less disk, 90-95% speed)	# optional, default is 0 (use separate temporary files), indexer-only	#	# inplace_enable		= 1	# in-place fine-tuning options	# optional, defaults are listed below	#	# inplace_hit_gap		= 0 # preallocated hitlist gap size	# inplace_docinfo_gap	= 0 # preallocated docinfo gap size	# inplace_reloc_factor	= 0.1 # relocation buffer size within arena	# inplace_write_factor	= 0.1 # write buffer size within arena	# whether to index original keywords along with stemmed versions	# enables "=exactform" operator to work	# optional, default is 0	#	# index_exact_words	= 1	# position increment on overshort (less that min_word_len) words	# optional, allowed values are 0 and 1, default is 1	#	# overshort_step		= 1	# position increment on stopword	# optional, allowed values are 0 and 1, default is 1	#	# stopword_step		= 1	# hitless words list	# positions for these keywords will not be stored in the index	# optional, allowed values are 'all', or a list file name	#	# hitless_words		= all	# hitless_words		= hitless.txt	# detect and index sentence and paragraph boundaries	# required for the SENTENCE and PARAGRAPH operators to work	# optional, allowed values are 0 and 1, default is 0	#	# index_sp			= 1	# index zones, delimited by HTML/XML tags	# a comma separated list of tags and wildcards	# required for the ZONE operator to work	# optional, default is empty string (do not index zones)	#	# index_zones		= title, h*, th	# index per-document and average per-index field lengths, in tokens	# required for the BM25A(), BM25F() in expression ranker	# optional, default is 0 (do not index field lenghts)	#	# index_field_lengths	= 1	# regular expressions (regexps) to filter the fields and queries with	# gets applied to data source fields when indexing	# gets applied to search queries when searching	# multi-value, optional, default is empty list of regexps	#	# regexp_filter		= \b(\d+)\" => \1inch	# regexp_filter		= (blue|red) => color	# list of the words considered frequent with respect to bigram indexing	# optional, default is empty	#	# bigram_freq_words	= the, a, i, you, my	# bigram indexing mode	# known values are none, all, first_freq, both_freq	# option, default is none (do not index bigrams)	#	# bigram_index		= both_freq	# snippet document file name prefix	# preprended to file names when generating snippets using load_files option	# WARNING, this is a prefix (not a path), trailing slash matters!	# optional, default is empty	#	# snippets_file_prefix	= /mnt/mydocs/server1	# whether to apply stopwords before or after stemming	# optional, default is 0 (apply stopwords after stemming)	#	# stopwords_unstemmed	= 0	# path to a global (cluster-wide) keyword IDFs file	# optional, default is empty (use local IDFs)	#	# global_idf		= /usr/local/sphinx/var/global.idf}