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-rw-r--r--gnu/packages/databases.scm14
1 files changed, 12 insertions, 2 deletions
diff --git a/gnu/packages/databases.scm b/gnu/packages/databases.scm
index 9691f1a1f3..4aa8949d6c 100644
--- a/gnu/packages/databases.scm
+++ b/gnu/packages/databases.scm
@@ -16,6 +16,7 @@
;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be>
;;; Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>
+;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -1356,8 +1357,17 @@ trees (LSM), for sustained throughput under random insert workloads.")
(("/usr/local") (assoc-ref outputs "out")))
#t)))))
(home-page "https://symas.com/products/lightning-memory-mapped-database")
- (synopsis "Lightning memory-mapped database library")
- (description "Lightning memory-mapped database library.")
+ (synopsis "Lightning Memory-Mapped Database library")
+ (description
+ "The @dfn{Lightning Memory-Mapped Database} (LMDB) is a high-performance
+transactional database. Unlike more complex relational databases, LMDB handles
+only key-value pairs (stored as arbitrary byte arrays) and relies on the
+underlying operating system for caching and locking, keeping the code small and
+simple.
+The use of ‘zero-copy’ memory-mapped files combines the persistence of classic
+disk-based databases with high read performance that scales linearly over
+multiple cores. The size of each database is limited only by the size of the
+virtual address space — not physical RAM.")
(license license:openldap2.8)))
(define-public libpqxx