I confess I don't do dump or any backups much other than file system snapshots.

But when I do, I don't like how long it takes.

I confess my database is big, I have about 200 GB. But still, dumping it should not take 48 hours (and running) while the system is 75% idle and reads are at 4.5 MB/s when the system sustains over 100 MB/s during processing of table scan and hash join queries.

Something is wrong with the dump thing. And no, it's not SSL or whatever, I am doing it on a local system with local connections. Version 9.5 something.

regards,
-Gunther


On 11/23/2017 4:26, Henrik Cednert (Filmlance) wrote:


On 22 Nov 2017, at 22:07, Patrick KUI-LI <pku...@hipay.com <mailto:pku...@hipay.com>> wrote:

Hello,

I had this behaviors when the upgraded pg 9.5 was on ssl mode by default.

So i deactivated ssl mode in postgresql.conf. That's all.

Regards,

Patrick



Hello

And you just uncommented the  'ssl = off' line in the config for this?

Is this default behaviour different from 8.4? Is there a 'show running config' for pgsql?

I tried that in the test vm and didn't really give me a significant difference.

COMPRESSION LEVEL: 6, SSL ON
real82m33.744s
user60m55.069s
sys3m3.375s

COMPRESSION LEVEL: 6, SSL OFF
real76m31.083s
user61m23.282s
sys1m23.341s

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