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Linux Kernel Tuning: failed to alloc buffer for rx queue

If we put enough pressure over the ENA network driver, we’ll start seeing these “failed to alloc buffer for rx queue” messages on the ‘dmesg‘ output. This message will raise when the napi handler fails to refill new Rx descriptors, typically due to lack of memory. This situation might lead to performance decrease, given that … Read more “Linux Kernel Tuning: failed to alloc buffer for rx queue”

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