Re: a back up question - Mailing list pgsql-general

From Alvaro Herrera
Subject Re: a back up question
Date
Msg-id 20171205221519.lmkcvjlmvhfsahva@alvherre.pgsql
Whole thread Raw
In response to Re: a back up question  (Carl Karsten <carl@personnelware.com>)
Responses Re: a back up question
List pgsql-general
Carl Karsten wrote:
> Nothing wrong with lots of tables and data.
> 
> Don't impose any constraints on your problem you don't need to.
> 
> Like what are you backing up to?    $400 for a 1T ssd or $80 fo a 2T usb3
> spinny disk.
> 
> If you are backing up while the db is being updated, you need to make sure
> updates are queued until the backup is done.  don't mess with that
> process.   personally I would assume the db is always being updated and
> expect that.

A backup generated by pg_dump never includes writes that are in flight
while the backup is being taken.  That would make the backup absolutely
worthless!

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


pgsql-general by date:

Previous
From: Martin Mueller
Date:
Subject: Re: a back up question
Next
From: "David G. Johnston"
Date:
Subject: Re: a back up question