<div dir="ltr">Hi, guys,<div>many thanks for your interesting solutions.</div><div><br></div><div>I have implemented Vicente's suggestion, it works as expected.<br></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">loadmodule "xhttp_prom.so"<br>modparam("xhttp_prom", "prom_counter", "name=mycounter;")<br>modparam("pv", "shvset", "is_prometheus_init=i:0")<br>route {<br>  Â  if ($shv(is_prometheus_init) == 0) {<br>  Â  Â  Â  xlog("L_NOTICE", "Initialization of Prometheus counters\n");<br>  Â  Â  Â  prom_counter_reset("mycounter");<br>  Â  Â  Â  $shv(is_prometheus_init) = 1;<br>  Â  }<br>}</blockquote><div><br></div><div>Regards,</div><div>Marat </div></div>