Sphinx之配置文件

 

#
# Sphinx configuration file sample
#
# WARNING! While this sample file mentions all available options,
# it contains (very) short helper descriptions only. Please refer to
# doc/sphinx.html for details.
#

#############################################################################
## data source definition
#############################################################################

source src1
{
    # data source type. mandatory, no default value
    # known types are mysql, pgsql, mssql, xmlpipe, xmlpipe2, odbc
    type            = mysql

    #####################################################################
    ## SQL settings (for 'mysql' and 'pgsql' types)
    #####################################################################

    # some straightforward parameters for SQL source types
    sql_host        = localhost
    sql_user        = test
    sql_pass        =
    sql_db            = test
    sql_port        = 3306    # optional, default is 3306

    # UNIX socket name
    # optional, default is empty (reuse client library defaults)
    # usually '/var/lib/mysql/mysql.sock' on Linux
    # usually '/tmp/mysql.sock' on FreeBSD
    #
    # sql_sock        = /tmp/mysql.sock


    # MySQL specific client connection flags
    # optional, default is 0
    #
    # mysql_connect_flags    = 32 # enable compression

    # MySQL specific SSL certificate settings
    # optional, defaults are empty
    #
    # mysql_ssl_cert        = /etc/ssl/client-cert.pem
    # mysql_ssl_key        = /etc/ssl/client-key.pem
    # mysql_ssl_ca        = /etc/ssl/cacert.pem

    # MS SQL specific Windows authentication mode flag
    # MUST be in sync with charset_type index-level setting
    # optional, default is 0
    #
    # mssql_winauth        = 1 # use currently logged on user credentials


    # ODBC specific DSN (data source name)
    # mandatory for odbc source type, no default value
    #
    # odbc_dsn        = DBQ=C:\data;DefaultDir=C:\data;Driver={Microsoft Text Driver (*.txt; *.csv)};
    # sql_query        = SELECT id, data FROM documents.csv


    # ODBC and MS SQL specific, per-column buffer sizes
    # optional, default is auto-detect
    #
    # sql_column_buffers    = content=12M, comments=1M


    # pre-query, executed before the main fetch query
    # multi-value, optional, default is empty list of queries
    # sql_query_pre 查询预处理 比如设置字符集 下面的
    # sql_query_pre        = SET NAMES utf8
    # sql_query_pre        = SET SESSION query_cache_type=OFF


    # main document fetch query
    # mandatory, integer document ID field MUST be the first selected column
    sql_query        = \
        SELECT id, group_id, UNIX_TIMESTAMP(date_added) AS date_added, title, content \
        FROM documents


    # joined/payload field fetch query
    # joined fields let you avoid (slow) JOIN and GROUP_CONCAT
    # payload fields let you attach custom per-keyword values (eg. for ranking)
    #
    # syntax is FIELD-NAME 'from'  ( 'query' | 'payload-query' ); QUERY
    # joined field QUERY should return 2 columns (docid, text)
    # payload field QUERY should return 3 columns (docid, keyword, weight)
    #
    # REQUIRES that query results are in ascending document ID order!
    # multi-value, optional, default is empty list of queries
    #
    # sql_joined_field    = tags from query; SELECT docid, CONCAT('tag',tagid) FROM tags ORDER BY docid ASC
    # sql_joined_field    = wtags from payload-query; SELECT docid, tag, tagweight FROM tags ORDER BY docid ASC


    # file based field declaration
    #
    # content of this field is treated as a file name
    # and the file gets loaded and indexed in place of a field
    #
    # max file size is limited by max_file_field_buffer indexer setting
    # file IO errors are non-fatal and get reported as warnings
    #
    # sql_file_field        = content_file_path


    # range query setup, query that must return min and max ID values
    # optional, default is empty
    #
    # sql_query will need to reference $start and $end boundaries
    # if using ranged query:
    #
    # sql_query        = \
    #    SELECT doc.id, doc.id AS group, doc.title, doc.data \
    #    FROM documents doc \
    #    WHERE id>=$start AND id<=$end
    # 区间查询 防止锁表 查询出对小的ID 和最大的ID
    # sql_query_range        = SELECT MIN(id),MAX(id) FROM documents
    # range query step
    # optional, default is 1024
    # 在最大和最小的ID中 加入步长默认1024 下面注释的是1000
    # sql_range_step        = 1000
   #ID=(1,2550) query=(1,1000),(1001,2000),(2001,2550) 3 angin
   # sql_query = SELECT * FROM documents WHERE id>=$start AND id<=$end
    # unsigned integer attribute declaration
    # multi-value (an arbitrary number of attributes is allowed), optional
    # optional bit size can be specified, default is 32
    #
    # sql_attr_uint        = author_id
    # sql_attr_uint        = forum_id:9 # 9 bits for forum_id
    sql_attr_uint        = group_id

    # boolean attribute declaration
    # multi-value (an arbitrary number of attributes is allowed), optional
    # equivalent to sql_attr_uint with 1-bit size
    #
    # sql_attr_bool        = is_deleted


    # bigint attribute declaration
    # multi-value (an arbitrary number of attributes is allowed), optional
    # declares a signed (unlike uint!) 64-bit attribute
    #
    # sql_attr_bigint        = my_bigint_id


    # UNIX timestamp attribute declaration
    # multi-value (an arbitrary number of attributes is allowed), optional
    # similar to integer, but can also be used in date functions
    #
    # sql_attr_timestamp    = posted_ts
    # sql_attr_timestamp    = last_edited_ts
    sql_attr_timestamp    = date_added


    # floating point attribute declaration
    # multi-value (an arbitrary number of attributes is allowed), optional
    # values are stored in single precision, 32-bit IEEE 754 format
    #
    # sql_attr_float        = lat_radians
    # sql_attr_float        = long_radians


    # multi-valued attribute (MVA) attribute declaration
    # multi-value (an arbitrary number of attributes is allowed), optional
    # MVA values are variable length lists of unsigned 32-bit integers
    #
    # syntax is ATTR-TYPE ATTR-NAME 'from' SOURCE-TYPE [;QUERY] [;RANGE-QUERY]
    # ATTR-TYPE is 'uint' or 'timestamp'
    # SOURCE-TYPE is 'field', 'query', or 'ranged-query'
    # QUERY is SQL query used to fetch all ( docid, attrvalue ) pairs
    # RANGE-QUERY is SQL query used to fetch min and max ID values, similar to 'sql_query_range'
    #
    # sql_attr_multi        = uint tag from query; SELECT docid, tagid FROM tags
    # sql_attr_multi        = uint tag from ranged-query; \
    #    SELECT docid, tagid FROM tags WHERE id>=$start AND id<=$end; \
    #    SELECT MIN(docid), MAX(docid) FROM tags


    # string attribute declaration
    # multi-value (an arbitrary number of these is allowed), optional
    # lets you store and retrieve strings
    #
    # sql_attr_string        = stitle


    # JSON attribute declaration
    # multi-value (an arbitrary number of these is allowed), optional
    # lets you store a JSON document as an (in-memory) attribute for later use
    #
    # sql_attr_json        = properties


    # combined field plus attribute declaration (from a single column)
    # stores column as an attribute, but also indexes it as a full-text field
    #
    # sql_field_string    = author

    
    # post-query, executed on sql_query completion
    # optional, default is empty
    # sql_query_post查询完后的操作 比如做清理操作
    # sql_query_post        =
    /**
   #这是注释信息
   sql_query_post 和 sql_query_post_index different?
前者是当Sphinx从数据库中得到数据后,立刻就会运行,而后者只有当索引真正成功建立后才会运行,这个区别还是很重要的。对于真正严格的程序,不应该在sql_query_pre和sql_query_post中更新增量时间,而应该在sql_query_post_index中更新增量时间。还有一个区别是sql_query_post和sql_query_post_index是存在与两个不同的tcp连接中,因为Sphinx从数据库中得到数据后去建索引,将会花费很长时间,所以它会将数据库连接关闭,等到索引建好之后,再去连接数据库,所以sql_query_post_index会在另一个连接中**/
    # post-index-query, executed on successful indexing completion
    # optional, default is empty
    # $maxid expands to max document ID actually fetched from DB
    # 以执行任何必要的最后的清理; 下面就是插入索引的最大值     # sql_query_post_index = REPLACE INTO counters ( id, val ) \
    # VALUES ( 'max_indexed_id', $maxid )


    # ranged query throttling, in milliseconds
    # optional, default is 0 which means no delay
    # enforces given delay before each query step
    sql_ranged_throttle    = 0 # kill-list query, fetches the document IDs for kill-list
    # k-list will suppress matches from preceding indexes in the same query
    # optional, default is empty
    #     # sql_query_killlist = SELECT id FROM documents WHERE edited>=@last_reindex


    # columns to unpack on indexer side when indexing
    # multi-value, optional, default is empty list
    #     # unpack_zlib = zlib_column
    # unpack_mysqlcompress = compressed_column
    # unpack_mysqlcompress = compressed_column_2


    # maximum unpacked length allowed in MySQL COMPRESS() unpacker
    # optional, default is 16M
    #     # unpack_mysqlcompress_maxsize = 16M


    # hook command to run when SQL connection succeeds
    # optional, default value is empty (do nothing)
    #     # hook_connect = bash sql_connect.sh


    # hook command to run after (any) SQL range query
    # it may print out "minid maxid" (w/o quotes) to override the range
    # optional, default value is empty (do nothing)
    #     # hook_query_range = bash sql_query_range.sh


    # hook command to run on successful indexing completion
    # $maxid expands to max document ID actually fetched from DB
    # optional, default value is empty (do nothing)
    #     # hook_post_index = bash sql_post_index.sh $maxid

    #####################################################################
    ## xmlpipe2 settings
    #####################################################################

    # type = xmlpipe

    # shell command to invoke xmlpipe stream producer
    # mandatory
    #     # xmlpipe_command = cat /var/test.xml

    # xmlpipe2 field declaration
    # multi-value, optional, default is empty
    #     # xmlpipe_field = subject
    # xmlpipe_field = content


    # xmlpipe2 attribute declaration
    # multi-value, optional, default is empty
    # all xmlpipe_attr_XXX options are fully similar to sql_attr_XXX
    # examples:
    #     # xmlpipe_attr_timestamp = published
    # xmlpipe_attr_uint = author_id
    # xmlpipe_attr_bool = is_enabled
    # xmlpipe_attr_float = latitude
    # xmlpipe_attr_bigint = guid
    # xmlpipe_attr_multi = tags
    # xmlpipe_attr_multi_64 = tags64
    # xmlpipe_attr_string = title
    # xmlpipe_attr_json = extra_data
    # xmlpipe_field_string = content


    # perform UTF-8 validation, and filter out incorrect codes
    # avoids XML parser choking on non-UTF-8 documents
    # optional, default is 0
    #     # xmlpipe_fixup_utf8 = 1
} # inherited source example # # all the parameters are copied from the parent source, # and may then be overridden in this source definition
source src1throttled : src1 { sql_ranged_throttle = 100 } ############################################################################# ## index definition #############################################################################

# local index example # # this is an index which is stored locally in the filesystem # # all indexing-time options (such as morphology and charsets) # are configured per local index
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            = /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 = /var/data/stopwords.txt


    # wordforms file, in "mapfrom > mapto" plain text format
    # optional, default is empty
    #     # wordforms = /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 = /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
} # inherited index example # # all the parameters are copied from the parent index, # and may then be overridden in this index definition
index test1stemmed : test1 { path = /var/data/test1stemmed morphology = stem_en } # distributed index example # # this is a virtual index which can NOT be directly indexed, # and only contains references to other local and/or remote indexes
index dist1 { # 'distributed' index type MUST be specified
    type            = distributed # local index to be searched
    # there can be many local indexes configured
    local            = test1 local = test1stemmed # remote agent
    # multiple remote agents may be specified
    # syntax for TCP connections is 'hostname:port:index1,[index2[,...]]'
    # syntax for local UNIX connections is '/path/to/socket:index1,[index2[,...]]'
    agent            = localhost:9313:remote1 agent = localhost:9314:remote2,remote3 # agent = /var/run/searchd.sock:remote4

    # remote agent mirrors groups, aka mirrors, aka HA agents
    # defines 2 or more interchangeable mirrors for a given index part
    #     # agent = server3:9312 | server4:9312 :indexchunk2
    # agent = server3:9312:chunk2server3 | server4:9312:chunk2server4
    # agent = server3:chunk2server3 | server4:chunk2server4
    # agent = server21|server22|server23:chunk2


    # blackhole remote agent, for debugging/testing
    # network errors and search results will be ignored
    #     # agent_blackhole = testbox:9312:testindex1,testindex2


    # persistenly connected remote agent
    # reduces connect() pressure, requires that workers IS threads
    #     # agent_persistent = testbox:9312:testindex1,testindex2


    # remote agent connection timeout, milliseconds
    # optional, default is 1000 ms, ie. 1 sec
    agent_connect_timeout    = 1000

    # remote agent query timeout, milliseconds
    # optional, default is 3000 ms, ie. 3 sec
    agent_query_timeout        = 3000

    # HA mirror agent strategy
    # optional, defaults to ??? (random mirror)
    # know values are nodeads, noerrors, roundrobin, nodeadstm, noerrorstm
    #     # ha_strategy = nodeads

    # path to RLP context file
    # optional, defaut is empty
    #     # rlp_context = /usr/local/share/sphinx/rlp/rlp-context.xml
} # realtime index example # # you can run INSERT, REPLACE, and DELETE on this index on the fly # using MySQL protocol (see 'listen' directive below)
index rt { # 'rt' index type must be specified to use RT index
    type            = rt # index files path and file name, without extension
    # mandatory, path must be writable, extensions will be auto-appended
    path            = /var/data/rt # RAM chunk size limit
    # RT index will keep at most this much data in RAM, then flush to disk
    # optional, default is 128M
    #     # rt_mem_limit = 512M

    # full-text field declaration
    # multi-value, mandatory
    rt_field        = title rt_field = content # unsigned integer attribute declaration
    # multi-value (an arbitrary number of attributes is allowed), optional
    # declares an unsigned 32-bit attribute
    rt_attr_uint        = gid # RT indexes currently support the following attribute types:
    # uint, bigint, float, timestamp, string, mva, mva64, json
    #     # rt_attr_bigint = guid
    # rt_attr_float = gpa
    # rt_attr_timestamp = ts_added
    # rt_attr_string = author
    # rt_attr_multi = tags
    # rt_attr_multi_64 = tags64
    # rt_attr_json = extra_data
} ############################################################################# ## indexer settings #############################################################################
 indexer { # memory limit, in bytes, kiloytes (16384K) or megabytes (256M)
    # optional, default is 128M, max is 2047M, recommended is 256M to 1024M
    mem_limit        = 128M # maximum IO calls per second (for I/O throttling)
    # optional, default is 0 (unlimited)
    #     # max_iops = 40


    # maximum IO call size, bytes (for I/O throttling)
    # optional, default is 0 (unlimited)
    #     # max_iosize = 1048576


    # maximum xmlpipe2 field length, bytes
    # optional, default is 2M
    #     # max_xmlpipe2_field = 4M


    # write buffer size, bytes
    # several (currently up to 4) buffers will be allocated
    # write buffers are allocated in addition to mem_limit
    # optional, default is 1M
    #     # write_buffer = 1M


    # maximum file field adaptive buffer size
    # optional, default is 8M, minimum is 1M
    #     # max_file_field_buffer = 32M


    # how to handle IO errors in file fields
    # known values are 'ignore_field', 'skip_document', and 'fail_index'
    # optional, default is 'ignore_field'
    #     # on_file_field_error = skip_document


    # lemmatizer cache size
    # improves the indexing time when the lemmatization is enabled
    # optional, default is 256K
    #     # lemmatizer_cache = 512M
} ############################################################################# ## searchd settings #############################################################################
 searchd { # [hostname:]port[:protocol], or /unix/socket/path to listen on
    # known protocols are 'sphinx' (SphinxAPI) and 'mysql41' (SphinxQL)
    #     # multi-value, multiple listen points are allowed
    # optional, defaults are 9312:sphinx and 9306:mysql41, as below
    #     # listen = 127.0.0.1
    # listen = 192.168.0.1:9312
    # listen = 9312
    # listen = /var/run/searchd.sock
    listen            = 9312 listen = 9306:mysql41 # log file, searchd run info is logged here
    # optional, default is 'searchd.log'
    log            = /var/log/searchd.log # query log file, all search queries are logged here
    # optional, default is empty (do not log queries)
    query_log        = /var/log/query.log # client read timeout, seconds
    # optional, default is 5
    read_timeout        = 5

    # request timeout, seconds
    # optional, default is 5 minutes
    client_timeout        = 300

    # maximum amount of children to fork (concurrent searches to run)
    # optional, default is 0 (unlimited)
    max_children        = 30

    # maximum amount of persistent connections from this master to each agent host
    # optional, but necessary if you use agent_persistent. It is reasonable to set the value
    # as max_children, or less on the agent's hosts.
    persistent_connections_limit    = 30

    # PID file, searchd process ID file name
    # mandatory
    pid_file        = /var/log/searchd.pid # seamless rotate, prevents rotate stalls if precaching huge datasets
    # optional, default is 1
    seamless_rotate        = 1

    # whether to forcibly preopen all indexes on startup
    # optional, default is 1 (preopen everything)
    preopen_indexes        = 1

    # whether to unlink .old index copies on succesful rotation.
    # optional, default is 1 (do unlink)
    unlink_old        = 1

    # attribute updates periodic flush timeout, seconds
    # updates will be automatically dumped to disk this frequently
    # optional, default is 0 (disable periodic flush)
    #     # attr_flush_period = 900


    # MVA updates pool size
    # shared between all instances of searchd, disables attr flushes!
    # optional, default size is 1M
    mva_updates_pool    = 1M # max allowed network packet size
    # limits both query packets from clients, and responses from agents
    # optional, default size is 8M
    max_packet_size        = 8M # max allowed per-query filter count
    # optional, default is 256
    max_filters        = 256

    # max allowed per-filter values count
    # optional, default is 4096
    max_filter_values    = 4096


    # socket listen queue length
    # optional, default is 5
    #     # listen_backlog = 5


    # per-keyword read buffer size
    # optional, default is 256K
    #     # read_buffer = 256K


    # unhinted read size (currently used when reading hits)
    # optional, default is 32K
    #     # read_unhinted = 32K


    # max allowed per-batch query count (aka multi-query count)
    # optional, default is 32
    max_batch_queries    = 32


    # max common subtree document cache size, per-query
    # optional, default is 0 (disable subtree optimization)
    #     # subtree_docs_cache = 4M


    # max common subtree hit cache size, per-query
    # optional, default is 0 (disable subtree optimization)
    #     # subtree_hits_cache = 8M


    # multi-processing mode (MPM)
    # known values are none, fork, prefork, and threads
    # threads is required for RT backend to work
    # optional, default is threads
    workers            = threads # for RT to work


    # max threads to create for searching local parts of a distributed index
    # optional, default is 0, which means disable multi-threaded searching
    # should work with all MPMs (ie. does NOT require workers=threads)
    #     # dist_threads = 4


    # binlog files path; use empty string to disable binlog
    # optional, default is build-time configured data directory
    #     # binlog_path = # disable logging
    # binlog_path = /var/data # binlog.001 etc will be created there


    # binlog flush/sync mode
    # 0 means flush and sync every second
    # 1 means flush and sync every transaction
    # 2 means flush every transaction, sync every second
    # optional, default is 2
    #     # binlog_flush = 2


    # binlog per-file size limit
    # optional, default is 128M, 0 means no limit
    #     # binlog_max_log_size = 256M


    # per-thread stack size, only affects workers=threads mode
    # optional, default is 64K
    #     # thread_stack = 128K


    # per-keyword expansion limit (for dict=keywords prefix searches)
    # optional, default is 0 (no limit)
    #     # expansion_limit = 1000


    # RT RAM chunks flush period
    # optional, default is 0 (no periodic flush)
    #     # rt_flush_period = 900


    # query log file format
    # optional, known values are plain and sphinxql, default is plain
    #     # query_log_format = sphinxql


    # version string returned to MySQL network protocol clients
    # optional, default is empty (use Sphinx version)
    #     # mysql_version_string = 5.0.37


    # default server-wide collation
    # optional, default is libc_ci
    #     # collation_server = utf8_general_ci


    # server-wide locale for libc based collations
    # optional, default is C
    #     # collation_libc_locale = ru_RU.UTF-8


    # threaded server watchdog (only used in workers=threads mode)
    # optional, values are 0 and 1, default is 1 (watchdog on)
    #     # watchdog = 1

    
    # costs for max_predicted_time model, in (imaginary) nanoseconds
    # optional, default is "doc=64, hit=48, skip=2048, match=64"
    #     # predicted_time_costs = doc=64, hit=48, skip=2048, match=64


    # current SphinxQL state (uservars etc) serialization path
    # optional, default is none (do not serialize SphinxQL state)
    #     # sphinxql_state = sphinxvars.sql


    # maximum RT merge thread IO calls per second, and per-call IO size
    # useful for throttling (the background) OPTIMIZE INDEX impact
    # optional, default is 0 (unlimited)
    #     # rt_merge_iops = 40
    # rt_merge_maxiosize = 1M


    # interval between agent mirror pings, in milliseconds
    # 0 means disable pings
    # optional, default is 1000
    #     # ha_ping_interval = 0


    # agent mirror statistics window size, in seconds
    # stats older than the window size (karma) are retired
    # that is, they will not affect master choice of agents in any way
    # optional, default is 60 seconds
    #     # ha_period_karma = 60


    # delay between preforked children restarts on rotation, in milliseconds
    # optional, default is 0 (no delay)
    #     # prefork_rotation_throttle = 100


    # a prefix to prepend to the local file names when creating snippets
    # with load_files and/or load_files_scatter options
    # optional, default is empty
    #     # snippets_file_prefix = /mnt/common/server1/
} ############################################################################# ## common settings #############################################################################
 common { # lemmatizer dictionaries base path
    # optional, defaut is /usr/local/share (see ./configure --datadir)
    #     # lemmatizer_base = /usr/local/share/sphinx/dicts


    # how to handle syntax errors in JSON attributes
    # known values are 'ignore_attr' and 'fail_index'
    # optional, default is 'ignore_attr'
    #     # on_json_attr_error = fail_index


    # whether to auto-convert numeric values from strings in JSON attributes
    # with auto-conversion, string value with actually numeric data
    # (as in {"key":"12345"}) gets stored as a number, rather than string
    # optional, allowed values are 0 and 1, default is 0 (do not convert)
    #     # json_autoconv_numbers = 1


    # whether and how to auto-convert key names in JSON attributes
    # known value is 'lowercase'
    # optional, default is unspecified (do nothing)
    #     # json_autoconv_keynames = lowercase


    # path to RLP root directory
    # optional, defaut is /usr/local/share (see ./configure --datadir)
    #     # rlp_root = /usr/local/share/sphinx/rlp


    # path to RLP environment file
    # optional, defaut is /usr/local/share/rlp-environment.xml (see ./configure --datadir)
    #     # rlp_environment = /usr/local/share/sphinx/rlp/rlp/etc/rlp-environment.xml


    # maximum total size of documents batched before processing them by the RLP
    # optional, default is 51200
    #     # rlp_max_batch_size = 100k


    # maximum number of documents batched before processing them by the RLP
    # optional, default is 50
    #     # rlp_max_batch_docs = 100


    # trusted plugin directory
    # optional, default is empty (disable UDFs)
    #     # plugin_dir = /usr/local/sphinx/lib
 } # --eof--

 

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