Thanks will try both options On Friday, October 5, 2018, Alain RODRIGUEZ <arodr...@gmail.com> wrote:
> Hello Abdul, > > I was caught by a different topic while answering, sending the message > over, even though it's similar to Romain's solution. > > There is the metric mentioned above, or to have more details such as the > app node IP, you can use: > > $ sudo netstat -tupawn | grep 9042 | grep ESTABLISHED > > tcp 0 0 ::ffff:<C*node_ip>:*9042* :::* > LISTEN - > > tcp 0 0 ::ffff:<C*node_ip>:*9042* ::ffff:<app_node_ip>:51486 > ESTABLISHED - > > tcp 0 0 ::ffff:<C*node_ip>:*9042* ::ffff:<app_node_ip>:37624 > ESTABLISHED - > [...] > > tcp 0 0 ::ffff:<C*node_ip>:*9042* ::ffff:<app_node_ip>:49108 > ESTABLISHED - > > or to count them: > > $ sudo netstat -tupawn | grep 9042 | grep ESTABLISHED | wc -l > > 113 > > I'm not sure about the '-tupawn' options, it gives me the format I need > and I never wondered much about it I must say. Maybe some of the options > are useless. > > Sending this command through ssh would allow you to gather the information > in one place. You can also run similar commands on the clients (Apps) toI > hope that helps. > > C*heers > ----------------------- > Alain Rodriguez - @arodream - al...@thelastpickle.com > France / Spain > > The Last Pickle - Apache Cassandra Consulting > http://www.thelastpickle.com > > Le ven. 5 oct. 2018 à 06:28, Max C. <mc_cassan...@core43.com> a écrit : > >> Looks like the number of connections is available in JMX as: >> >> org.apache.cassandra.metrics:type=Client,name=connectedNativeClients >> >> http://cassandra.apache.org/doc/4.0/operating/metrics.html >> >> "Number of clients connected to this nodes native protocol server” >> >> As for where they’re coming from — I’m not sure how to get that from >> JMX. Maybe you’ll have to use “lsof” or something to get that. >> >> - Max >> >> On Oct 4, 2018, at 8:57 pm, Abdul Patel <abd786...@gmail.com> wrote: >> >> Hi All, >> >> Can we get number of users connected to each node in cassandra? >> Also can we get from whixh app node they are connecting from? >> >> >>
