the time required to start each new server process; each server process

will re-load all preload libraries. However, <varname>shared_preload_libraries

</varname> is still useful on Windows hosts for libraries that need to

perform operations at postmaster start time..

perform operations at postmaster start time.

</para>

</note>

</listitem>

make sure that nobody deletes them and makes them go away while the dump is running.

If another client then requests an exclusive lock on a table, that lock will not be

granted but will be queued waiting for the shared lock of the master process to be

released.. Consequently any other access to the table will not be granted either and

released. Consequently any other access to the table will not be granted either and

will queue after the exclusive lock request. This includes the worker process trying

to dump the table. Without any precautions this would be a classic deadlock situation.

To detect this conflict, the <application>pg_dump</> worker process requests another