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Log error related to buffer sizes (fixed)

Transmission bittorrent server.
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kernow
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Log error related to buffer sizes (fixed)

#1

Post by kernow »

Code: Select all

Jun 23 16:06:10 	zeus 	transmission-daemon[1952]: UDP Failed to set receive buffer: requested 4194304, got 65536 (tr-udp.c:75)
Jun 23 16:06:10 	zeus 	transmission-daemon[1952]: UDP Failed to set receive buffer: No buffer space available (tr-udp.c:56)
:idea:

Theres no options in the gui or transmissions own gui frontend settings to change the buffer sizes, so.
Last edited by kernow on 24 Jul 2012 15:58, edited 1 time in total.
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raulfg3
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Re: Log error related to buffer sizes

#2

Post by raulfg3 »

If you enable in System|Advanced " Enable tuning of some kernel variables" you max edit a great number of tunables.

Try to reduce maxbuffers to 32K or so and try if is the tunable that you find.
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kernow
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Re: Log error related to buffer sizes

#3

Post by kernow »

Found a site listing a fix for this
zfsguru transmission-daemon: UDP Failed to set receive buffer: No buffer space available (tr-udp.c:56)
zfsguru transmission-daemon: UDP Failed to set send buffer: No buffer space available (tr-udp.c:62)
zfsguru transmission-daemon: UDP Failed to set receive buffer: requested 4194304, got 42080 (tr-udp.c:75)
zfsguru transmission-daemon: UDP Failed to set send buffer: requested 1048576, got 9216 (tr-udp.c:86)

EDIT: Not sure if this is correct, but I had to append.

kern.ipc.maxsockbuf=5242880
net.inet.udp.recvspace=4194304

to /etc/sysctl.conf

Worked perfectly, add the fix to the image maybe? :P
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kernow
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Re: Log error related to buffer sizes (fixed)

#4

Post by kernow »

Thats where I did edit it. But why not set it by default in the next release? :P
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Re: Log error related to buffer sizes (fixed)

#5

Post by ku-gew »

But is this important? what are the disadvantages of a smaller buffer? no UDP mode at all, or something else?

Sorry for reopening :)
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ku-gew
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Re: Log error related to buffer sizes (fixed)

#6

Post by ku-gew »

Answer: only as info, no issues.
https://trac.transmissionbt.com/ticket/5317
HP Microserver N40L, 8 GB ECC, 2x 3TB WD Red, 2x 4TB WD Red
XigmaNAS stable branch, always latest version
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