# Sonic
# Fast, lightweight and schema-less search backend
# Configuration file
# Example: https://github.com/valeriansaliou/sonic/blob/master/config.cfg

[server]
log_level = "warn"


[channel]
inet = "[::1]:1491"
tcp_timeout = 300

# NOTE: You can pass this via `SONIC_CHANNEL__AUTH_PASSWORD`.
auth_password = "SecretPassword"


# WARN: After making changes to normalization steps, you must rebuild Sonic’s
#   index by re-ingesting all data. To avoid such breaking change, new features
#   are disabled by default (opt-in). On major releases, some steps might
#   become enabled by default (opt-out). Sonic won’t enable unreasonable
#   defaults, but override if you need consistency.
[normalization]
# TODO(major): Remove explicit override.
unicode_normalization = "none"
# TODO(major): Remove explicit override.
diacritic_folding_enabled = false
# WARN: Enabling stemming greatly affects the quality of Sonic results.
#   Enable only if you have a good reason to.
stemming_enabled = false


# WARN: After making changes to tokenization steps, you must rebuild Sonic’s
#   index by re-ingesting all data. To avoid such breaking change, new features
#   are disabled by default (opt-in). On major releases, some steps might
#   become enabled by default (opt-out). Sonic won’t enable unreasonable
#   defaults, but override if you need consistency.
[tokenization]
# TODO(major): Remove explicit override.
detect_special_patterns = true
# TODO(major): Remove explicit override.
compat_split_special_patterns = true


[search]
query_limit_default = 10
query_limit_maximum = 100
query_alternates_try = 4
query_minimum_term_idf_default = 0.1
query_minimum_term_idf_minimum_object_count = 100

suggest_limit_default = 5
suggest_limit_maximum = 20

list_limit_default = 100
list_limit_maximum = 500

typo_factor_word_lengths = [4, 7, 10]


[store.kv]
path = "./data/store/kv/"

retain_word_objects = 1000

pool.inactive_after = 1800

database.flush_after = 900
database.compression_type = "zstd"
database.parallelism = 2
database.max_files = 100
database.write_buffer_size = 16384
database.write_ahead_log = true


[store.fst]
path = "./data/store/fst/"

pool.inactive_after = 300

graph.consolidate_after = 180
graph.max_size = 2048
graph.max_words = 250000