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Bug 1508369

Summary: Pacemaker at scale
Product: Red Hat Enterprise Linux 7 Reporter: Andrew Beekhof <abeekhof>
Component: pacemakerAssignee: Ken Gaillot <kgaillot>
Status: CLOSED ERRATA QA Contact: Ofer Blaut <oblaut>
Severity: urgent Docs Contact:
Priority: urgent    
Version: 7.4CC: abeekhof, cluster-maint, mkrcmari, mnovacek
Target Milestone: rc   
Target Release: 7.5   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: pacemaker-1.1.18-4.el7 Doc Type: No Doc Update
Doc Text:
This is mostly not visible to users.
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-04-10 15:32:51 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Andrew Beekhof 2017-11-01 10:21:25 UTC
Description of problem:

A number of issues were encountered and patched while trying to scale pacemaker to hundreds of bundles (simulating a large number of OSP computes with IHA).

- [tools] Prevent disconnection during cleanups (by reading replies sooner)
- [tools] Don't cleanup on nodes not meeting the discovery conditions 
- [pacemaker] include remote nodes when scaling crmd's cib op timeouts
- [pacemaker] scale all cib operations with cluster size
- [pacemaker] provide override for cib op timeouts
- [pacemaker] Restore the ability to send the transition graph via the disk if it gets too big

Patches will be forthcoming

Comment 2 Andrew Beekhof 2017-11-01 10:37:28 UTC
http://github.com/beekhof/pacemaker
 '~' represents a related but optional patch


+ e3b825a: Fix: crm_resource: Ensure we wait for all messages before exiting
+ 047a661: Fix: crm_resource: Have cleanup operate only on failures 
+ 9bc9f52: Fix: crm_resource: Don't cleanup on nodes not meeting the discovery conditions 
+ a79650a: Fix: crm_resource: Prevent disconnection from crmd during cleanup
+ b0ca9a1: Fix: Tools: Allow crm_resource to operate on anonymous clones in unknown states 
+ a646692: Fix: tools: Clean up everywhere if we don't know anything about the resource 
~ 870ebe5: Test: crm_resource: See what cleanup would have done for a saved configuration 
+ 88a2f64: Fix: crmd: Scale all cib operation timeouts 
+ 5bf05e5: Fix: crmd: Scale timeouts with the number of remotes too 
+ e77dfcb: Fix: PE: Restore the ability to send the transition graph via the disk if it gets too big

Comment 8 errata-xmlrpc 2018-04-10 15:32:51 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2018:0860