Re: restore a specific schema from physical backup - Mailing list pgsql-general

From Rakesh Kumar
Subject Re: restore a specific schema from physical backup
Date
Msg-id CAJBB=EUYFDGBY3-ctoCdhfhA9dXRrv+a2zidqgDOT2dYOSodbg@mail.gmail.com
Whole thread Raw
In response to Re: restore a specific schema from physical backup  (Adrian Klaver <adrian.klaver@aklaver.com>)
Responses Re: restore a specific schema from physical backup  (Adrian Klaver <adrian.klaver@aklaver.com>)
Re: restore a specific schema from physical backup  (David Steele <david@pgmasters.net>)
List pgsql-general
> Are you saying that?:
>
> 1) You ran pg_basebackup against a live cluster and sent the output to
> another location.
>
> 2) At the other location the cluster is not in use.
>
> 3) You want to grab the contents of the inactive cluster directly off the
> disk.
>
> If that is the case, then no it is not possible without making the cluster
> live.
>
> If you mean something else then more details are needed.

Sure.

1 - You ran pg_basebackup on node-1 against a live cluster and store
it on NFS or tape.
2 - Do a  restore on node-2 from the backup taken on (1), but only for
a subset of the database
     (schema/database)
3- Put the cluster live on node-2 after (2) completes. Essentially the
cluster will now be a small
    subset of cluster on node-1.

Benefit: If I have to restore only 5% of entire db, it should be lot faster.


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