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  1. RHEL
  2. RHEL-7100

[RFE] Postcopy Preemption (libvirt)

    • libvirt-10.0.0-1.el9
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    • sst_virtualization
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    • 10.0.0
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      This bug is used to track libvirt support on postcopy preemption.

      There's one new capability called "postcopy-preempt" supported for QEMU migration to speedup postcopy page request latencies. To enable it, one can simply enable the capability before starting the migration for postcopy. It does not need other special parameters. The only limitation is it only works with protocol that supports multiple channels (similar to multi-fd in this case).

            jdenemar@redhat.com Jiri Denemark
            zhexu@redhat.com Peter Xu
            Liping Cheng
            Jiri Denemark Jiri Denemark
            Luyao Huang Luyao Huang
            Jiří Herrmann Jiří Herrmann
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              Created:
              Updated:
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