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[Bug 1543149] Re: Reserve host pages on compute nodes

 

Reviewed:  https://review.openstack.org/277422
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=70604db8dacd1d8ea8a054a9f548b24dcffc292c
Submitter: Jenkins
Branch:    master

commit 70604db8dacd1d8ea8a054a9f548b24dcffc292c
Author: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@xxxxxxxxxx>
Date:   Mon Feb 8 09:37:37 2016 -0500

    virt: reserved hugepages on compute host
    
    For some use cases we may need to reserved an amount of pages for
    third part components.
    
    This commit adds new option 'reserved_memory_pages' which takes a list
    of string format to select on which host NUMA node and from which
    pagesize we want to reserve a certain amount of pages.
    
    Change-Id: I9d4c07da3594847917c9dc67e6663717d9ab4ba2
    Closes-Bug: #1543149
    DocImpact: reserved_memory_pages


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1543149

Title:
  Reserve host pages on compute nodes

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  In some use cases we may want to avoid Nova to use an amount of
  hugepages in compute nodes. (example when using ovs-dpdk). We should
  to provide an option 'reserved_memory_pages' which provides way to
  determine amount of pages we want to reserved for third part
  components

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References