"David F. Skoll" <dfs(at)roaringpenguin(dot)com> writes:
> Tom Lane wrote:
>> No; there's no WAL change between 8.3.7 and 8.3.8. What seems more
>> likely is that you're somehow shipping the WAL files before they're
>> quite finished.
> So unless there's a possibility that the master server invokes our archive
> script before the WAL has finished being written, I can't see how this
> could happen.
What about the other direction: the script invoked by the archive
returns "done" before the bits have all been shipped? PG is entirely
capable of overwriting the contents of a WAL file the moment the script
returns "done".
regards, tom lane