Change in vdsm[master]: vdsm: implement NUMA aware KSM policy

danken at redhat.com danken at redhat.com
Wed Jun 10 08:11:13 UTC 2015


Dan Kenigsberg has submitted this change and it was merged.

Change subject: vdsm: implement NUMA aware KSM policy
......................................................................


vdsm: implement NUMA aware KSM policy

Add monitored parameter ksm_merge_across_nodes to:
1. momIf.py class - append to status report
2. superVdsmServer file - enable writing to the kernel flag

Update policy logic (a simple state machine) to 03-ksm.policy
merge_across_nodes flag allowed to be changed only after unmerging
all pages. This unmerge completion is tested on pages_shared flag == 0.

Update policy parameter ksmMergeAcrossNodes to 00-defines.policy

Change-Id: Iec607f9ef3284c1448bfc2831d125fc4d81b28d2
Related-to: https://bugzilla.redhat.com/show_bug.cgi?id=840114
Signed-off-by: Dudi Maroshi <dudi at redhat.com>
Reviewed-on: https://gerrit.ovirt.org/40129
Continuous-Integration: Jenkins CI
Reviewed-by: Martin Sivák <msivak at redhat.com>
Tested-by: Martin Sivák <msivak at redhat.com>
Reviewed-by: Dan Kenigsberg <danken at redhat.com>
---
M vdsm/mom.d/00-defines.policy
M vdsm/mom.d/03-ksm.policy
M vdsm/momIF.py
M vdsm/supervdsmServer
4 files changed, 66 insertions(+), 4 deletions(-)

Approvals:
  Martin Sivák: Verified; Looks good to me, but someone else must approve
  Dudi Maroshi: Verified
  Jenkins CI: Passed CI tests
  Dan Kenigsberg: Looks good to me, approved



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Gerrit-MessageType: merged
Gerrit-Change-Id: Iec607f9ef3284c1448bfc2831d125fc4d81b28d2
Gerrit-PatchSet: 15
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Dudi Maroshi <dudi at redhat.com>
Gerrit-Reviewer: Adam Litke <alitke at redhat.com>
Gerrit-Reviewer: Dan Kenigsberg <danken at redhat.com>
Gerrit-Reviewer: Dudi Maroshi <dudi at redhat.com>
Gerrit-Reviewer: Jenkins CI
Gerrit-Reviewer: Martin Sivák <msivak at redhat.com>
Gerrit-Reviewer: Max Kovgan <mvk at redhat.com>
Gerrit-Reviewer: Roy Golan <rgolan at redhat.com>
Gerrit-Reviewer: Yaniv Bronhaim <ybronhei at redhat.com>
Gerrit-Reviewer: automation at ovirt.org


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