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gdbm-1.20 released [stable]

From: Sergey Poznyakoff
Subject: gdbm-1.20 released [stable]
Date: Thu, 17 Jun 2021 12:53:29 +0200


I am pleased to announce the release of GNU dbm version 1.20.

GNU dbm is a library of database functions that use extensible
hashing and work similar to the standard UNIX dbm.  These routines
are provided to a programmer needing to create and manipulate a
hashed database.

Here are the compressed sources and a GPG detached signature:

Use a mirror for higher download bandwidth:

Here are the MD5 and SHA1 checksums:

006c19b8b60828fd6916a16f3496bd3c  gdbm-1.20.tar.gz
f3200c9c4e5c7de4978f838bbabeaa7c5b857bd7  gdbm-1.20.tar.gz

New in this release:

* New bucket cache

The bucket cache support has been rewritten from scratch.  The new
bucket cache code provides for significant speed up of search

* Change in the mmap prereading strategy 

Pre-reading of the memory mapper regions, introduced in version 1.19
can be advantageous only when doing intensive look-ups on a read-only
database.  It degrades performance otherwise, especially if doing
multiple inserts.  Therefore, prereading is no longer enabled
automatically and a new flag to gdbm_open is provided, which enables

Best regards,

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