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(May related to #2428) Recently, I setup collectd + influxdb 0.9, where every host has a collectd client and sends data to a central collectd server. The server then proxy to infuxdb's collectd plugin in another host.
But I notice that there are many points missing when query influxdb.
But influxdb seems not catching up. Then I glance at the implementation of the collectd plugin, and find that all things: read from udp, parse the message, write to influxdb are done in a single goroutine, so I guess it's the problem of this plugin, am I right? I am willing to provide more information if needed.
By the way, we flush data once every 10s in collectd client, and server is set with network plugin which forwards to another influxdb 0.9.0rc29 server. And below is udp packet drop in my collectd server.
➜ etc netstat -su
IcmpMsg:
InType0: 32
InType3: 2128
InType8: 37
OutType0: 36
OutType3: 3288
OutType8: 268
Udp:
798541820 packets received
2180 packets to unknown port received.
4259 packet receive errors
32523056 packets sent
RcvbufErrors: 4259
The text was updated successfully, but these errors were encountered:
(May related to #2428) Recently, I setup collectd + influxdb 0.9, where every host has a collectd client and sends data to a central collectd server. The server then proxy to infuxdb's collectd plugin in another host.
But I notice that there are many points missing when query influxdb.
where each point should appear every 10s.
I guess udp may be the problem, so I find out udp packet drops:
while
ethool -S
shows norx_discards
orrx_errors
.Then I adjust my sysctl:
But influxdb seems not catching up. Then I glance at the implementation of the collectd plugin, and find that all things: read from udp, parse the message, write to influxdb are done in a single goroutine, so I guess it's the problem of this plugin, am I right? I am willing to provide more information if needed.
By the way, we flush data once every 10s in collectd client, and server is set with network plugin which forwards to another influxdb 0.9.0rc29 server. And below is udp packet drop in my collectd server.
The text was updated successfully, but these errors were encountered: