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Investigate CAKE qdisk for PVC workloads #157

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opened 2022-09-21 09:43:09 -04:00 by joshuaboniface · 2 comments
joshuaboniface commented 2022-09-21 09:43:09 -04:00
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CAKE is an improved queueing mechanism in recent Linux kernels, i.e.

https://www.bufferbloat.net/projects/codel/wiki/Cake/

This might be useful to use on the PVC system.

CAKE is an improved queueing mechanism in recent Linux kernels, i.e. https://www.bufferbloat.net/projects/codel/wiki/Cake/ This might be useful to use on the PVC system.
joshuaboniface commented 2022-11-23 02:13:52 -05:00
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Having read and failed to understand a lot of this, I get the feeling there's very little performance to gain, especially since we're hardly maxing out network bandwidth so far as I can tell. Maybe find some better testing to determine if this would even help.

Having read and failed to understand a lot of this, I get the feeling there's very little performance to gain, especially since we're hardly maxing out network bandwidth so far as I can tell. Maybe find some better testing to determine if this would even help.
joshuaboniface commented 2023-03-09 09:59:30 -05:00
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Gonna close this one out, as even the most intensive network workloads (VM migrations and OSD replication) don't seem particularly limited at 10GbE. Can revisit in the future if needed.

Gonna close this one out, as even the most intensive network workloads (VM migrations and OSD replication) don't seem particularly limited at 10GbE. Can revisit in the future if needed.
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Reference: parallelvirtualcluster/pvc#157
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