You might suffer from a deadlock.
On Tue, 17 Jul 2001, Ben-Nes Michael wrote:
> Hi All
>
> VACUUM ANALYZE;
>
> return me the next error:
>
> pqReadData() -- backend closed the channel unexpectedly.
> This probably means the backend terminated abnormally
> before or while processing the request.
> The connection to the server was lost. Attempting reset: Failed.
>
> Any ideas ?
>
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