Currious: are you using the current versions of DBCP and Pool? Gary
On Jan 9, 2018 8:28 AM, "Shawn Heisey" <apa...@elyograg.org> wrote: > On 1/8/2018 11:19 PM, Chas Honton wrote: > > Don’t forget about any proxies or routers between the client and the > server. Most infrastructure components will close quiescent connections > (within minutes) > > There are no proxies for the MySQL traffic. The machines involved are > on the same subnet (vlan), so it's only layer 2 switches made by Cisco > that provide the networking -- no routing. There is no QoS configured. > The connections are gigabit and the switchports are not incrementing > error counters. The inter-switch connections are trunk ports and also > show no incrementing error counters. > > Cisco switches tend to have enough backplane bandwidth to run every port > at full line rate in both directions. We don't run our infrastructure > anywhere near full switching capacity, so dropped packets are unlikely, > but even if that did happen, TCP is designed to handle that > transparently to applications. > > Cisco routers and switches do not typically interfere in TCP > communication. Their firewalls do get involved in TCP, but even if this > traffic was passing through our firewall (which it's not), our TCP idle > timeout on the firewall is set to two hours, to accommodate long-lived > TCP connections over the Internet. > > Thanks, > Shawn > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@commons.apache.org > For additional commands, e-mail: user-h...@commons.apache.org > >
