Dan Ports <d...@csail.mit.edu> wrote:
 
> the sxact's lastCommitBeforeSnapshot needs to match the snapshot,
> SxactGlobalXmin needs to be set to the correct value, etc. That's
> why the call to GetSnapshotData happens from where it does
 
Oh, right.  I knew I was forgetting something.  What if that was
captured as part of building a snapshot?  That seems like it would
be a trivial cost compared to other snapshot-building activity, and
might give us a way to get this out from under the
SerializableXactHashLock locking.
 
-Kevin

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