Re: pg_dump -Fd and compression level - Mailing list pgsql-hackers

From Andrew Dunstan
Subject Re: pg_dump -Fd and compression level
Date
Msg-id 55B38762.5080208@dunslane.net
Whole thread Raw
In response to Re: pg_dump -Fd and compression level  (Andrew Dunstan <andrew@dunslane.net>)
Responses Re: pg_dump -Fd and compression level
List pgsql-hackers
On 07/25/2015 03:20 AM, Andrew Dunstan wrote:
>
> On 07/25/2015 02:34 AM, Marc Mamin wrote:
>>
>>> Andrew Dunstan <andrew@dunslane.net> writes:
>>>> Hmm. Yeah. It looks like commit 
>>>> a7ad5cf0cfcfab8418000d652fa4f0c6ad6c8911
>>>> changed from using the default compression for libz to using the
>>>> compression set in pg_dump options, which defaults to 0. This actually
>>>> seems like the right thing to do, but it certainly should have been
>>>> called out much more forcefully in release notes, and arguably should
>>>> not have been changed in stable releases. Not sure what we do about 
>>>> it now.
>> really 0? wouldn't that mean no compression at all?
>
> No, that's not right either. The default should be 
> Z_DEFAULT_COMPRESSION, so we shouldn't actually see a difference in 
> the default case. And it is definitely compressing some. So I'm now 
> puzzled by what you're seeing.
>
>


OK, I have got this worked out. I'll have a bug fix shortly.

cheers

andrew




pgsql-hackers by date:

Previous
From: Michael Paquier
Date:
Subject: Re: Supporting TAP tests with MSVC and Windows
Next
From: Michael Paquier
Date:
Subject: Re: pg_dump -Fd and compression level