[elephant-devel] BDB Replication

[Yarek Kowalik]

Ian,

I think the later is what's supported/implemented by BDB:

"Berkeley DB supports replication over multiple systems, enabling
applications to scale massively with low latency and provide fault tolerance
for high availability solutions. This technique works by having all updates
go to a designated master, which distributes changes automatically to a set
of replicas ..."

http://www.oracle.com/technology/products/berkeley-db/db/index.html

I'm not sure at this stage if there are any changes required within Elephant
itself as this may just be an "off-the-shelf" capability of the BDB backend.

Yarek


On Mon, Jan 5, 2009 at 6:19 AM, Ian Eslick <eslick at media.mit.edu> wrote:

> For kicks I spent a little bit of time thinking about what it would
> take to make Elephant work with BDB replication.  There is one thing I
> don't understand, if a client wants to initiate a write transaction on
> the master, does it have to be a completely application level process
> (for example, you have the execute-transaction function call run
> remotely) or can you do this at a lower level where you somehow
> forward the low level read/write log information from client to server
> to be committed?
>
> Ian
>
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