Re: pg_dump compress

On 9/23/2011 6:46 AM, hubert depesz lubaczewski wrote:
> On Thu, Sep 22, 2011 at 11:00:10PM -0700, Roger Niederland wrote:
>> Using pg_dump from the command line with the exe included in windows
>> 32 bit install in postgresql 9.1.
>> pg_dump  -U username -f somefile.sql.gz -Z 9 -i dbname
> please note that pg_dump --help shows:
>    -Z, --compress=0-9          compression level for compressed formats
>
> hint: the part "for compressed formats" is critical.
>
> plain dump is not compressed, you'd have to use -Fc to get compression,
> but it's good to use anyway.
>
> Best regards,
>
> depesz
>
On previous versions the -Z 9  option would compress the plain text sql
output to a gzipped file.
Now it now longer compresses.  Using the -Fc the outputs a compressed
file, which is only readable
by pg_restore.

Roger