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NC21
Beginner
1,555 Views

ixgbe tx_restart_queue?

What is the tx_restart_queue?

What causes tx_restart_queue to increment?

Is it normal to see packet drops when tx_restart_queue increments?

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IIRCA2
Beginner
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I have seen incrementing tx_restart_queue as well, but I can't find any good documentation describing exactly what it means. I found this thread from several years ago:

http://marc.info/?l=e1000-devel&m=124035017819661&w=2 http://marc.info/?l=e1000-devel&m=124035017819661&w=2

I don't know if the reasoning is still valid. It seems to suggest that you don't have a high enough interrupt rate when sending. Is there anything about your configuration that would affect your interrupt rate?

Intel would provide a useful service to the community if they would document what each statistic shown in ethool -S means!

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