[pfx] Re: Incompatibility with LMDB 1.0

Wietse Venema via Postfix-users <[email protected]>
Newsgroups gmane.mail.postfix.user
Message-ID <[email protected]>
Gerard Seibert via Postfix-users:
> I rarely post on this forum. I am presently using FreeBSD 14.4-p8. As
> you probably know, a serious problem has occurred with several pots
> due to the change to LMDB. Has a solution been found for that problem?

Again? I thought this was fixed a few weeks ago.

	Wietse

Date: Thu, 9 Jul 2026 20:00:39 -0400 (EDT)
From: Wietse Venema via Postfix-devel <[email protected]>
To: Howard Chu <[email protected]>
CC: Postfix developers <[email protected]>
Subject: [pfx-dev] Re: LMDB 1.0 compatibility
X-Mailer: ELM [version 2.4ME+ PL124d (25)]

Howard Chu via Postfix-devel:
> Fyi, The breaking change in mdb_drop's behavior is being reverted in LMDB 1.0.1.
> A patch is available for testing now. https://bugs.openldap.org/show_bug.cgi?id=10536

Success! I got LMDB 1.0 from https://git.openldap.org/, patched it
with https://git.openldap.org/openldap/openldap/-/merge_requests/900.patch,
and found no errors.

The logic to (drop AND update the database) in one transaction works
again, including automatic retries after a 'database full' condition.

Another big sigh of relief.

        Wietse
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