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Re: (ITS#8089) LMDB hangs on mdb_txn_renew0 if MDB_NOSYNC flag is used
- To: openldap-its@OpenLDAP.org
- Subject: Re: (ITS#8089) LMDB hangs on mdb_txn_renew0 if MDB_NOSYNC flag is used
- From: email@example.com
- Date: Thu, 16 Apr 2015 02:04:36 +0000
- Auto-submitted: auto-generated (OpenLDAP-ITS)
> Full_Name: Pavel Kraynyukhov
> Version: only LMDB from git and lmdb-0.9.14
> OS: Gentoo Linux
> URL: ftp://ftp.openldap.org/incoming/
> Submission from: (NULL) (188.8.131.52)
> Hello there, I have ran into an issue with LMDB, which I can reproduce at will,
> but it seems a specific one. The git commit is
> And this commit and my issue seems to be related.
> 1. I use MDB_NOTLS flag on environment open.
> 2. if I use MDB_NOSYNC flag for LMDB environment, the writer thread is stuck
> after several transactions (writer thread backtrace):
> P.S. tested against system provided lmdb version 0.9.14 and result is the same.
> So this maybe not related to latest commit in git.
If you're having this problem in 0.9.14 then it is certainly not related
You confirm that the issue does not occur in 0.9.13? Can you upload a
test case demonstrating the problem?
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/