[Date Prev][Date Next]
(ITS#8752) MMR delta-sync deadlock using slapd.conf
Full_Name: Quanah Gibson-Mount
Submission from: (NULL) (220.127.116.11)
There is a reproducible lockup with delta-sync based multimaster replication.
The more masters exist the easier it is to trigger, with 100% reproducibility at
Load a database onto a server with no syncprov/accesslog configuration.
Reconfigure slapd.conf to include syncprov/accesslog overlays, and cn=accesslog
DB for changes, and replication agreements with other servers
Configure other servers for syncprov/accesslog, but no database
start slapd on all servers
execute a MOD operation sequentially across the servers (1, 2, 3, 4)
slapd will deadlock on server 3 or 4 100% of the time