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Fix the loss of large, merged packets#158

Merged
imsnif merged 1 commit into
imsnif:masterfrom
TheLostLambda:fix_merged_packet_loss
Mar 31, 2020
Merged

Fix the loss of large, merged packets#158
imsnif merged 1 commit into
imsnif:masterfrom
TheLostLambda:fix_merged_packet_loss

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@TheLostLambda
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A good thing I took a second look at this. Just bumping the read_buffer_size to the max allowed by the kernel solves the problem. One line in one file!

Wild how it can make so much of a difference...

Here is the current (master) bandwhich on the left, wget in the middle, and this patched version on the left: https://imgur.com/HmDyaOe

@imsnif
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imsnif commented Mar 31, 2020

Hey, that's awesome! Good job.
Maybe I misunderstand the read_buffer, but wouldn't we be missing smaller frames that come along? Or am I misunderstanding what the read_buffer means?

@TheLostLambda
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As I understand it, it's the sort of maximum size that it can read in. The default size is 4096, but during my debugging, I found that smaller ones were still let through. I think it just acts as a maximum size with the trade-off being more memory is allocated.

@imsnif
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imsnif commented Mar 31, 2020

Sounds great. Doesn't seem to be using more resources in a noticeable way for me. Let's go for it.

Thank you very much for your hard work on this! Solid job.

@imsnif imsnif merged commit 79623d3 into imsnif:master Mar 31, 2020
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2 participants