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opensm high load issue #29

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wenngong opened this issue Oct 25, 2021 · 0 comments
Open

opensm high load issue #29

wenngong opened this issue Oct 25, 2021 · 0 comments

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@wenngong
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We deployed a large HPC cluster, which has more than 1k nodes in same subnet. We encountered opensm high load issue when one switch down. After ibdump the traffic on opensm master node, we find much path record request traffic which may cause opensm high load issue.

My question is:

  1. what scenario will cause path record request?
  2. Will one arp request cause one path record request?
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