Once I stopped the server the entire database was then deleted by orientdb??



On Monday, August 11, 2014 5:35:22 PM UTC+1, Shaun Barker wrote:
>
> Hi
>
> We are running orientdb-community-1.7.5. We have an initial db (generated 
> from some data extraction in a dev sandbox) that needs to be loaded into 
> our orientdb node cluster of 4 nodes set up in distributed set up. We are 
> running out of box in distributed mode with the only change being that the 
> nodes have tweaked hazelcast to turn off broadcast and discover only 
> specified nodes by ip address.
>
> Due to IP connectivity issues we established the easiest way was to add 
> the initial 'seed-database' to one node from the cluster (stop server, copy 
> to database folder, start server) and let it re-distribute the database to 
> the other nodes.
>
> The seed database is 3Gb in size.
>
> What actually happens is the node that has the data does not start at all 
> - it gets stuck in a 'STARTING' state. The other nodes in the cluster (when 
> they are all re-started) also do not start.
>
> In order to investigate I tried out some other angles. I established that 
> if one node was taken out of the cluster, and re-started in non distributed 
> mode it would eventually start and would re-index the database resulting in 
> about an hours worth of wait. If this node was then re-introduced to the 
> cluster the cluster fails again. If I repeated the steps on each node (take 
> out of cluster, run standalone, copy db in, restart) then each node will 
> re-index the data. However upon bringing all nodes back to the cluster each 
> with the exact same copy of the database indexed then the cluster will not 
> run properly again. If I make no other changes that to remove the db 
> sufolder then all works again.
>
> So my question is this: what is the correct and supported way to 'seed a 
> database' into a cluster. Are there any size limitations? Indeed is there 
> some config tweak needed? 
>
> thanks
>
> Shaun
>
>
>
>
>
>

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