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Bug 1312680 - increase shared_buffers in postgresql.conf to 256MB
Summary: increase shared_buffers in postgresql.conf to 256MB
Keywords:
Status: CLOSED DUPLICATE of bug 1440879
Alias: None
Product: Red Hat Satellite
Classification: Red Hat
Component: Performance
Version: 6.1.7
Hardware: Unspecified
OS: Unspecified
unspecified
medium
Target Milestone: Unspecified
Assignee: satellite6-bugs
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1312098
TreeView+ depends on / blocked
 
Reported: 2016-02-28 18:48 UTC by Pradeep Kumar Surisetty
Modified: 2018-06-22 09:42 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-06-22 09:42:32 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Pradeep Kumar Surisetty 2016-02-28 18:48:04 UTC 
Description of problem:

The shared_buffers configuration parameter  determines how much memory is dedicated to PostgreSQL to use for caching data. 

 By default satelitte 6.1 use lower value (32MB). Its set to lower because of other platforms.   Recommended value is between 15% to25% of memory.  

Ex  
Content-host registration at scale needs th5s. 


Version-Release number of selected component (if applicable):


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Comment 1 Chris Duryee 2016-03-08 01:17:09 UTC 
Is there an easy way to reproduce the issue that shared_buffers fixes? I don't know if giving shared_buffers 2.5-4GB would impact other components.
Comment 2 Pradeep Kumar Surisetty 2016-04-18 11:40:30 UTC 
This need to run on scale to reproduce. Setting up infrastructure to register 5000-10000 systems to satellite/capsule. Keep you updates.
Comment 3 Chris Duryee 2016-06-01 15:08:33 UTC 
Per email thread, lets do 256M as default for shared_buffers.
Comment 4 Pradeep Kumar Surisetty 2016-06-01 15:26:44 UTC 
Based on scale limit, we could increase it to 512M if needed
Comment 6 Rich Jerrido 2016-06-01 17:57:14 UTC 
For Satellite 6.1, we increased the minimum system requirements to 12GB to
accommodate (the removed in 6.2) elasticsearch. I suspect we'll have the required headroom to make this change without updating the system requirements. 

Would still add a release note or doc somewhere regarding the change.
Comment 7 Pradeep Kumar Surisetty 2016-10-31 06:26:34 UTC 
Can we change this in 6.3/6.2?
Comment 8 Pradeep Kumar Surisetty 2017-07-07 03:27:19 UTC 
shared_buffer needs to be increased for scale runs
can we make this change as default config
Comment 13 Ewoud Kohl van Wijngaarden 2018-06-22 09:42:32 UTC 
We already have an RFE for this which exposes this as a parameter in foreman-hiera.yaml and increases the default to 512MB.

*** This bug has been marked as a duplicate of bug 1440879 ***
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