[ECODP-dev] Production database size

[Dimitrios Mexis]

Hello John,

We have a back up from PO two weeks almost, and it has 24GB of data, 
while now PO says the db is 28GB. That is 4GB difference obviously.

What module or what functionality is the source of producing such amount 
of data?

Regards
Dimitrios

On 26/09/2013 13:46, John Glover wrote:
> Hi Bert,
>
> I have had a look at the PO database dump. The sizes of the largest 
> tables are as follows:
>
> public.kombu_message                           | 15 GB
> pg_toast.pg_toast_78586                        | 3662 MB
> public.task_status                             | 1548 MB
> public.package_extra_revision                  | 811 MB
> public.task_status_entity_id_task_type_key_key | 670 MB
> public.task_status_pkey                        | 458 MB
>
> Apart from package_extra_revision, the other large tables all refer to 
> tables used by the old CKAN extensions (such as ckanext-archiver, 
> ckanext-datastorer and ckanext-qa). These should not be installed any 
> more.
>
> In the previous release, we supplied a paster command to purge the 
> task_status and kombu_message tables:
>
> paster --plugin=ckanext-ecportal ecportal purge-task-data -c <config>
>
> Running this should get rid of most of this unnecessary data (although 
> you will probably to do a VACUUM in postgres afterwards to reclaim 
> space). This should only have to be run once if the extensions have 
> been correctly uninstalled. If these tables continue to grow, then at 
> least one of the extensions is still installed. So, make sure that 
> none of the following appear in the ckan.plugins config list: 
> archiver, qa, datastorer.
>
> From looking at the timestamps of the task_status entries, it would 
> seem at least 1 of these extensions is still installed, as the last 
> write was by the datastorer on the 4th September.
>
> The package revision table is also quite large, but this is expected 
> due to the daily updating of all Eurostat packages. This should be 
> regularly cleared with the purge-package-extra-revision paster command 
> as in previous releases.
>
> Regards,
> John
>
>
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