Hi everyone,
I am currently trying to update from an old dovecot 2.3 setup with
fts-lucene to 2.4.2 with fts-flatcurve.
However, I am seeing a giant jump in the size of the indexes.
For an email account that takes 12GB of storage, I get the following index
sizes:
o lucene: 270 MB
o flatcurve: 2400 MB
That is almost a 10x increase in the index size (with flatcurve the
indexes represent 20% of the size of the mailbox).
Considering I have a mailbox that takes 270GB, I can't imagine the size of
the indexes.
Am I doing something wrong with flatcurve? How can the indexes be so much
larger than lucene?
I took the default flatcurve configuration from the Ubuntu 26.04 install:
mail_plugins {
fts = yes
fts_flatcurve = yes
}
fts_autoindex = yes
language_filters = normalizer-icu snowball stopwords
language_tokenizers = generic email-address
language_tokenizer_generic_algorithm = simple
language en {
default = yes
filters = lowercase snowball english-possessive stopwords
}
fts flatcurve {
# All of these are optional, and indicate the default values.
# They are listed here for documentation purposes; most people should
not
# need to define/override in their config.
# commit_limit = 500
# max_term_size = 30
# min_term_size = 2
# optimize_limit = 10
# rotate_count = 5000
# rotate_time = 5000
substring_search = yes
}
Any help/insight would be greatly appreciated.
Best regards,
-J
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