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Re: (ITS#8897) Delta syncrepl + refreshOnly segfault if 2 servers receive same group modification operation within interval

--On Friday, August 10, 2018 4:41 PM +0000 Mark.Cairney@ed.ac.uk wrote:

> Full_Name: Mark Cairney
> Version: 2.4.46
> OS: Centos 7
> URL:
> Submission from: (NULL) (
> In a MMR setup of >=3 servers (4 in this case) you can cause a segfault
> if you issue the same modification to 2 separate servers within your
> replication interval.
> It seems like it's the last server to receive the change falls over when
> it receives the change from one of the other servers during replication:

Hi Mark,

I'm pretty sure you're reporting ITS#8843.  I suggest applying this patch:




Quanah Gibson-Mount
Product Architect
Symas Corporation
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