liszt: Append only key-list database

[ bsd3, database, library, program ] [ Propose Tags ]

Please see the README on GitHub at

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Versions [faq] 0.1, 0.2
Change log
Dependencies base (>=4.7 && <5), binary, bytestring, containers, deepseq, directory, exceptions, filepath, fsnotify, liszt, network, reflection, scientific, sendfile, stm, stm-delay, text, transformers, unordered-containers, winery [details]
License BSD-3-Clause
Copyright Copyright (c) 2018 Fumiaki Kinoshita
Author Fumiaki Kinoshita
Category Database
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Source repo head: git clone
Uploaded by FumiakiKinoshita at Fri Aug 10 08:35:57 UTC 2018
Distributions NixOS:0.2
Executables lisztd, liszt
Downloads 739 total (70 in the last 30 days)
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Status Hackage Matrix CI
Docs available [build log]
Last success reported on 2018-08-10 [all 1 reports]


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Maintainer's Corner

For package maintainers and hackage trustees

Readme for liszt-0.1

[back to package description]


Liszt is an append-only key-list database.


For the sake of reliability, insertion is performed locally.

commitFile :: FilePath -> Transaction a -> IO a
insert :: Serialise a => Key -> a -> Transaction ()

> commitFile "foo.liszt" $ insert "message" ("hello, world" :: Text)


lisztd starts a server. The first argument is the root directory to find liszt files.

$ lisztd .

You can use the command line utility to watch a stream. -b 0 follows a stream from offset 0. -f "%p\n" prints payloads with newlines.

$ liszt foo.liszt message -b 0 -f "%p\n"
hello, world