[Gluster-devel] semi-sync replication

Ravishankar N ravishankar at redhat.com
Wed Aug 12 12:16:04 UTC 2015



On 08/12/2015 12:50 PM, Anoop Nair wrote:
> Hi,
>
> Do we have plans to support "semi-synchronous" type replication in the future? By semi-sync I mean writing to one leg the replica, securing the write on a faster stable storage (capacitor backed SSD or NVRAM) and then acknowledge the client. The write on other replica leg may happen at later point in time.
Not exactly in the way you describe, but there are plans to achieve 
"near-synchronous" replication wherein we wind the write to all replica 
legs, but acknowledge success as soon as we hear a success from one of 
the bricks (instead of waiting for responses from all bricks as we do 
today).

-Ravi
>   
>
> Thanks
> -Anoop
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