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authorLi Qiang2018-08-01 15:00:20 +0200
committerJuan Quintela2018-08-22 11:42:34 +0200
commit4cbc9c7ffd95d2702cf7ffb3bfdf3f1f0ffdca07 (patch)
treec801c82f52bf803b7eae1fc360bc665ade81f26b /scripts/qapi/common.py
parentdocs/migration: Clarify pre_load in subsections (diff)
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migrate/cpu-throttle: Add max-cpu-throttle migration parameter
Currently, the default maximum CPU throttle for migration is 99(CPU_THROTTLE_PCT_MAX). This is too big and can make a remarkable performance effect for the guest. We see a lot of packets latency exceed 500ms when the CPU_THROTTLE_PCT_MAX reached. This patch set adds a new max-cpu-throttle parameter to limit the CPU throttle. Signed-off-by: Li Qiang <liq3ea@gmail.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
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