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Add TCPSynRetrans to netstat default filter (#1143) 

Tcp SYN packet retransmits are a very useful signal as they affect
network performance disproportionately to regular TCP retransmits.

Signed-off-by: Ben Kochie <superq@gmail.com>
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Ben Kochie 2018-11-07 17:21:18 +01:00 committed by GitHub
parent 1b98db9fa7
commit b1eec66640
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2 changed files with 2 additions and 2 deletions
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2
CHANGELOG.md
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@ -5,7 +5,7 @@
### Changes ### Changes
* [BUGFIX] * [BUGFIX]
* [CHANGE] * [CHANGE] Add TCPSynRetrans to netstat default filter #1143
* [ENHANCEMENT] Add Infiniband counters #1120 * [ENHANCEMENT] Add Infiniband counters #1120
* [FEATURE] * [FEATURE]

2
collector/netstat_linux.go
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@ -33,7 +33,7 @@ const (
) )
var ( var (
netStatFields = kingpin.Flag("collector.netstat.fields", "Regexp of fields to return for netstat collector.").Default("^(.*_(InErrors|InErrs)|Ip_Forwarding|Ip(6|Ext)_(InOctets|OutOctets)|Icmp6?_(InMsgs|OutMsgs)|TcpExt_(Listen.*|Syncookies.*)|Tcp_(ActiveOpens|PassiveOpens|RetransSegs|CurrEstab)|Udp6?_(InDatagrams|OutDatagrams|NoPorts))$").String() netStatFields = kingpin.Flag("collector.netstat.fields", "Regexp of fields to return for netstat collector.").Default("^(.*_(InErrors|InErrs)|Ip_Forwarding|Ip(6|Ext)_(InOctets|OutOctets)|Icmp6?_(InMsgs|OutMsgs)|TcpExt_(Listen.*|Syncookies.*|TCPSynRetrans)|Tcp_(ActiveOpens|PassiveOpens|RetransSegs|CurrEstab)|Udp6?_(InDatagrams|OutDatagrams|NoPorts))$").String()
) )
type netStatCollector struct { type netStatCollector struct {