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89fe18e44f
Current F-RTO reverts cwnd reset whenever a never-retransmitted packet was (s)acked. The timeout can be declared spurious because the packets acknoledged with this ACK was transmitted before the timeout, so clearly not all the packets are lost to reset the cwnd. This nice detection does not really depend F-RTO internals. This patch applies the detection universally. On Google servers this change detected 20% more spurious timeouts. Suggested-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| kernel | ||
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| .cocciconfig | ||
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| MAINTAINERS | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.