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Handle dropping packets by LINC #283

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mentels opened this issue Jan 20, 2014 · 0 comments
Closed

Handle dropping packets by LINC #283

mentels opened this issue Jan 20, 2014 · 0 comments

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@mentels
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mentels commented Jan 20, 2014

Dropping packets under high load has been investigated. Now the following steps need to be taken:

  • create an option to set verbose mode for epcap in sys.config
  • make epcap report dropped packets in verbose mode
  • create an option to set buffer size through sys.config
  • write the documentation on how to tackle dropping packets issue
mentels pushed a commit to esl/epcap that referenced this issue Jan 29, 2014
Add printing pcap stats; improve logs formatting
bbfcc2b 
Epcap prints pcap statistics for received and dropped packets
in verbose mode. The statistics can be printed at a certain interval.
Existing logs has better formatting now.
epcap C program accepts a new option for setting the interval: -S
followed by an integer and epcap:start/1 accepts
an {stat_interval, integer()} option.
(Motivated by FlowForwarding/LINC-Switch#283).
mentels pushed a commit to esl/epcap that referenced this issue Jan 29, 2014
Allow setting pcap internal buffer size
3dabf10 
The buffer size can be adjusted by passing -b option with an integer
value to epcap C program. Erlang epcap:start/1 function accepts an
{buffer_size, integer()} option.
(Motivated by FlowForwarding/LINC-Switch#283).
@mentels mentels mentioned this issue Jan 29, 2014
Merged
mentels pushed a commit that referenced this issue Jan 29, 2014
Add option enabling verbose mode in epcap; add stats interval
6eb380a 
When in verbose mode, epcap prints for example statistics indicating
received and dropped packets by eth interfaces. The interval of printing
this messages can be specified.
(Motivated by #283).
mentels pushed a commit that referenced this issue Jan 29, 2014
Add buffer_size option that is passed to epcap
39d85a3 
buffer_size option can be defined for epcap application in the sys.config
file. It sets the internal buffer size for libpcap. By manipulating this
setting one can mitigate dropping packets by libpcap.
(Motivated by #283).
@mentels mentels mentioned this issue Jan 29, 2014
Merged
mentels pushed a commit that referenced this issue Jan 31, 2014
@mentels
Add option enabling verbose mode in epcap; add stats interval
06b7706 
When in verbose mode, epcap prints for example statistics indicating
received and dropped packets by eth interfaces. The interval of printing
this messages can be specified.
(Motivated by #283).
mentels pushed a commit that referenced this issue Jan 31, 2014
@mentels
Add buffer_size option that is passed to epcap
96884ab 
buffer_size option can be defined for epcap application in the sys.config
file. It sets the internal buffer size for libpcap. By manipulating this
setting one can mitigate dropping packets by libpcap.
(Motivated by #283).
mentels pushed a commit that referenced this issue Jan 31, 2014
@mentels
Add option enabling verbose mode in epcap; add stats interval
9194976 
When in verbose mode, epcap prints for example statistics indicating
received and dropped packets by eth interfaces. The interval of printing
this messages can be specified.
(Motivated by #283).
mentels pushed a commit that referenced this issue Jan 31, 2014
@mentels
Add buffer_size option that is passed to epcap
f509988 
buffer_size option can be defined for epcap application in the sys.config
file. It sets the internal buffer size for libpcap. By manipulating this
setting one can mitigate dropping packets by libpcap.
(Motivated by #283).
mentels pushed a commit that referenced this issue Feb 13, 2014
Improve document describing packet capture
83ffacb 
The docs/packet_capture.md document has been extended with:
a. information on interpreting pcap logs,
b. information on using iperf to perform load test,
c. reference to the sample configuration file.
(Motivated by #283).
mentels pushed a commit that referenced this issue Feb 13, 2014
Add buffer_size option that is passed to epcap
7559675 
buffer_size option can be defined for epcap application in the sys.config
file. It sets the internal buffer size for libpcap. By manipulating this
setting one can mitigate dropping packets by libpcap.
(Motivated by #283).
mentels pushed a commit that referenced this issue Feb 13, 2014
Improve document describing packet capture
a2a297c 
The docs/packet_capture.md document has been extended with:
a. information on interpreting pcap logs,
b. information on using iperf to perform load test,
c. reference to the sample configuration file.
(Motivated by #283).
@mentels mentels closed this as completed Feb 17, 2014
mentels pushed a commit that referenced this issue Feb 24, 2014
Fix rebar.config so that master branch for epcap is used
4bfadf2 
The dependency configuration pointed to a specific commit.
(Motivated by #283).
@mentels mentels mentioned this issue Feb 24, 2014
Merged
legoscia added a commit that referenced this issue Apr 2, 2014
@legoscia
Apply changes from master branch to linc_us5
e20f60f 
The changes were originally made in the following commits:

- 61e890d
- 39c0ee4 (#158)
- 2e64cd1 (#238)
- c7b07d5
- bebbc74
- 9194976 (#283)
- 2c3f3d9
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