The database exercise of pg_dump is Ordinarily gathered with the cumulative studies process. If This really is undesirable, you may set parameter track_counts to Wrong by using PGOPTIONS or the ALTER USER command.
When the associated hosts have transformed, the link data might need being modified. It may also be proper to truncate the concentrate on tables prior to initiating a different whole desk duplicate. If buyers plan to copy First knowledge during refresh they have to make the slot with two_phase = Fake. After the Original sync, the two_phase possibility will probably be immediately enabled because of the subscriber Should the membership were originally created with two_phase = true alternative.
The alternative archive file formats have to be applied with pg_restore to rebuild the databases. they permit pg_restore to become selective about exactly what is restored, or even to reorder the things previous to getting restored. The archive file formats are meant to be transportable across architectures.
probably the most flexible output file formats are the “tailor made” format (-Fc) as well as “Listing” format (-Fd). they permit for variety and reordering of all archived objects, aid parallel restoration, and they are compressed by default. The “directory” format is the one format that supports parallel dumps.
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Specifies verbose manner. this could bring about pg_dump to output specific object comments and begin/prevent instances to your dump file, and progress messages to standard error. Repeating the choice triggers additional debug-degree messages to look on normal error.
this feature is useful when needing to synchronize the dump which has a sensible replication slot (see Chapter 49) or by using a concurrent session.
Output instructions to DROP many of the dumped databases objects ahead of outputting the commands for building them. this selection is beneficial once the restore is usually to overwrite an present databases.
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by no means concern a password prompt. If your server needs password authentication and also a password just isn't out there by other implies like a .pgpass file, the relationship endeavor will are unsuccessful. this feature is often beneficial in batch Work and scripts the place no person is current to enter a password.
Requesting distinctive locks on databases objects although jogging a parallel dump could bring about the dump to are unsuccessful. The rationale is that the pg_dump leader method requests shared locks (obtain SHARE) to the objects which the worker procedures will dump afterwards as a way to make sure that no one deletes them and makes them go away while the dump is managing. If another client then requests an distinctive lock over a table, that lock will not be granted but might be queued looking ahead to the shared lock of your leader course of action for being introduced.
. The timeout might be laid out in any of the formats accepted by SET statement_timeout. (Allowed formats vary depending on the server Variation you will be dumping from, but an integer amount of milliseconds is recognized by all variations.)
will not output commands to established TOAST compression methods. With this option, all columns will likely be restored Using the default compression environment.
; this selects both the schema by itself, and all its contained objects. When this selection isn't specified, all non-method schemas in the goal database will likely be dumped. numerous schemas could be selected by producing various -n switches. The sample
Without it the dump may perhaps reflect a state which isn't according to any serial execution of the transactions sooner or later dedicated. such as, if batch processing techniques are utilised, a batch may well exhibit as closed from the dump without the entire items that happen to be inside the batch appearing.
pg_dump -j takes advantage of numerous databases connections; it connects to your database when While using the leader procedure and Yet again for each employee career. with no synchronized snapshot feature, the various employee jobs would not be certain to see the same knowledge in Each and every link, which could lead on to an inconsistent backup.