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</head><body text="#485663">For testing purposes, you should disable the
 service in systemd and run it from the command-line with the --debug 
option enabled to see what it's doing.  This should give clearer 
diagnostic information.<br>
<br>
Nick<br>
<br>
<span>Kevin San Jose wrote on 01/06/2022 15:12:</span><br>
<blockquote type="cite" 
cite="mid:CAO5ZSg-Ep8uG+BbfPWy0purktoWhrpPSBnNAq9vEQsWmMzXprw@mail.gmail.com">
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  <div dir="auto"><div>Hi Nick,<div dir="auto"><br></div><div dir="auto">There
 is only 1 sflowtool process running on the background. I'm receiving 
recvfrom() error every 5 seconds in syslog. </div><br><br><div 
class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jun 1, 
2022, 22:06 Nick Hilliard (INEX) via ixpmanager <<a 
href="mailto:ixpmanager@inex.ie" moz-do-not-send="true">ixpmanager@inex.ie</a>>
 wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 
.8ex;border-left:1px #ccc solid;padding-left:1ex"><div 
style="font-family:Calibri;font-size:14px" text="#485663"><div 
style="font-size:14px;font-family:Calibri">Are 
there multiple sflowtool instances running? "recvfrom() failed" 
indicates a socket / pipe problem.<br><br>Nick<br><br><span>Kevin San 
Jose via ixpmanager wrote on 01/06/2022 09:41:</span><br><blockquote 
type="cite"><div dir="ltr">Hi IXPManager,<div><br></div><div>I would 
like to ask why i'm 
getting lots of "recvfrom() failed, Resource temporarily unavailable"<br
 clear="all"><div>when executing  systemctl status 
sflow-to-rrd-handler.service, our p2p sflow graph seems inaccurate 
also. </div><div><br></div><blockquote class="gmail_quote" 
style="margin:0px 0px 0px 0.8ex;border-left:1px solid 
rgb(204,204,204);padding-left:1ex"># systemctl status 
sflow-to-rrd-handler.service<br>● sflow-to-rrd-handler.service - IXP 
Manager - SFLOW to RRD Handler<br>     Loaded: loaded 
(/etc/systemd/system/sflow-to-rrd-handler.service; disabled; vendor 
preset: enabled)<br>     Active: active (running) since Wed 2022-06-01 
15:57:25 PST; 41min ago<br>    Process: 3563472 ExecStartPre=/bin/sleep 
60 (code=exited, status=0/SUCCESS)<br>   Main PID: 3563630 (perl)<br>   
   Tasks: 2 (limit: 9448)<br>     Memory: 26.3M<br>     CGroup: 
/system.slice/sflow-to-rrd-handler.service<br>             ├─3563630 
perl /srv/ixpmanager/tools/runtime/sflow/sflow-to-rrd-handler<br>       
      └─3563709 /usr/local/bin/sflowtool -4 +v 800 -p 6343 -l<br><br>Jun
 01 16:39:05 xxxxxxxxxxx sflow-to-rrd-handler[3563709]: recvfrom() 
failed, Resource temporarily unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br>Jun 01 16:39:05 xxxxxxxxxxx 
sflow-to-rrd-handler[3563709]: recvfrom() failed, Resource temporarily 
unavailable<br></blockquote><div><br></div>-- <br><div dir="ltr" 
data-smartmail="gmail_signature"><div dir="ltr"><table 
style="color:rgb(34,34,34)"><tbody><tr><td 
style="font-family:Arial,sans-serif;padding-bottom:6px;font-size:12px;color:rgb(102,102,102)">Regards,<br>Kevin
 San Jose<br>Systems & Network Engineer</td></tr><tr><td 
style="font-family:Arial,sans-serif;padding-bottom:6px;font-size:12px;color:rgb(102,102,102)">Email:
 <a href="mailto:kevin.sanjose@rise.ph" target="_blank" rel="noreferrer"
 moz-do-not-send="true">kevin.sanjose@rise.ph</a></td></tr><tr><td 
style="font-family:Arial,sans-serif;padding-bottom:6px;font-size:12px;color:rgb(102,102,102)"><a
 href="http://rise.ph/" style="color:rgb(17,85,204)" target="_blank" 
rel="noreferrer" moz-do-not-send="true"><img 
src="https://synacy-email-signature-assets.s3-ap-southeast-1.amazonaws.com/RISE.png"
 moz-do-not-send="true"></a></td></tr><tr><td 
style="font-family:Arial,sans-serif;padding-bottom:6px;font-size:12px;color:rgb(102,102,102)">6/F
 Crown 7 Business Center, Pope John Paul II Ave., Cebu City 6000<br>5/F 
OPL Building, 100 C. Palanca St., Legazpi Village, Makati City 1229</td></tr><tr><td><a
 href="http://fb.com/upgradetorise" style="color:rgb(17,85,204)" 
target="_blank" rel="noreferrer" moz-do-not-send="true"><img 
src="https://synacy-email-signature-assets.s3-ap-southeast-1.amazonaws.com/facebook2.png"
 moz-do-not-send="true"></a>  <a 
href="https://twitter.com/upgradetorise" style="color:rgb(17,85,204)" 
target="_blank" rel="noreferrer" moz-do-not-send="true"><img 
src="https://synacy-email-signature-assets.s3-ap-southeast-1.amazonaws.com/twitter2.png"
 moz-do-not-send="true"></a>  <a 
href="https://www.linkedin.com/company/upgradetorise/" 
style="color:rgb(17,85,204)" target="_blank" rel="noreferrer" 
moz-do-not-send="true"><img 
src="https://synacy-email-signature-assets.s3-ap-southeast-1.amazonaws.com/linkedin2.png"
 moz-do-not-send="true"></a><br><br></td></tr></tbody></table></div></div></div></div>

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