<div dir="ltr">Hey all,<div><br></div><div>This page <a href="http://pgsqlpgpool.blogspot.com.au/2013/09/health-check-parameters.html">http://pgsqlpgpool.blogspot.com.au/2013/09/health-check-parameters.html</a> suggests that this formula must be observed (I can't see this in the doco though?):</div><div><br></div><div><span style="color:rgb(85,85,68);font-size:13px;line-height:18.2000007629395px"><font face="monospace, monospace">health_check_max_retries * (health_check_timeout+health_check_retry_delay)" < health_check_period.</font></span></div><div><font color="#555544" face="tahoma, Trebuchet MS, lucida, helvetica, sans-serif"><span style="line-height:18.2000007629395px"><br></span></font></div><div>I am running on AWS and the network is pretty terrible sometimes, although the problem isn't timeouts. When it fails connections fail straight away. I was hoping to use these settings:</div><div><br></div><div><div>health_check_period = 30</div><div>health_check_timeout = 5 </div><div>health_check_max_retries = 20 <br></div><div>health_check_retry_delay = 2</div><div><br></div><div>But according the the above formula I would need a health_check_period of 20*(5+2) = 140.</div><div><br></div><div>I would rather avoid this and keep health_check_period at 30 seconds as I don't want to wait 140 seconds between checks, is this OK?</div><div><br></div><div>I've tested with iptables blocking a node and it works, just checking that there are no hidden gotchas?</div><div><br></div><div><div class="gmail_signature"><div style="color:rgb(184,39,106);font-weight:bold;font-style:normal;font-variant:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Arial,Helvetica,sans-serif">
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