No particular objection, though in order to support atomic writes of
(offset, metadata), we will need to define a protocol for the ZooKeeper
payloads. Something like:

   OffsetPayload => Offset [Metadata]
   Metadata => length prefixed string

should suffice. Otherwise we would have to rely on the multi-write
mechanism to keep parallel znodes in sync (I generally don't like things
like this).

+1 for limiting the size (1kb sounds reasonable)

On 12/20/12 4:03 PM, Jay Kreps wrote:
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