Is it possible to run Cassandra and MySQL in a different VM? This might reduce the load on the single VM. Just have to connect the data stores to the other services.
Thanks. Awasum On Mon, Oct 1, 2018, 06:24 Karthik Ananthakrishnan <karthy...@gmail.com> wrote: > Hey Victor, > > I did check for different metrics to analyse server performance in > cloudwatch before trying out swap space. Nginx, MySQL, Cassandra and > Fineract Application are the only resource consuming applications. Each > microservice takes around 2GB of memory when starting.. so, 12 micro > services taking up around 25GB of Memory space leaving very limited > resource for MySQL, Cassandra, Nginx to run. For now i am not considering > elastic scalability. This is the reason, i commented out few microservices > and starting the server to optimise memory consumption. > > Regards, > Karthik > > On Mon, Oct 1, 2018 at 1:42 AM Victor Manuel Romero Rodriguez < > vic_rom...@hotmail.com> wrote: > > > Hi Karthik, > > > > You have faced the error that all might face when running the services. > > > > I can view in the image log that you are using a EC2 machine, you can > > check the behaviour of the server and make the proper changes using > > CloudWatch. > > > > https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/monitoring_ec2.html > > > > Changes are not only at JVM, but also at OS level and of course the > > Elastic Cloud could help to jump from one machine size to another in a > > "smooth" way (always there is pain). > > > > Even for testing/demo you should check what is the resource consumption > > for suggesting or proposing a better sizing of the machine based on the > > services that will be enabled. > > > > Regards > > > > Victor > > > > > > El 30/09/18 a las 14:06, Karthik Ananthakrishnan escribió: > > > Hello Isaac and others, > > > > > > Many thanks for the suggestions. I tried with xms4G and was not very > > > helpful. When i looked at the root cause, I found that cassandra trips > > > during the server boot process when the memory hits peak(free memory > less > > > than 100MB) in 32GB RAM server. So, i added swap space to it which > > helped. > > > But still the cassandra would go down when memory hits peak. So, i > > decided > > > to run the server with fewer microservices by commenting out a few. > Once > > i > > > did that server started properly and has been stable for around a week. > > > Even in local machine, i could run the application by running fewer > > > microservices. > > > > > > Thanks, > > > Karthik > > > > > > On Tue, Sep 18, 2018 at 10:31 PM Karthik Ananthakrishnan < > > > karthi...@beyondsquare.com> wrote: > > > > > >> Hey Issac. I did try the 2G and didnt really help. So, i have already > > made > > >> changes as xms2G and Xmx4G. Will get back to you if it worked. > > >> > > >> On Tue, Sep 18, 2018 at 7:20 PM, Isaac Kamga <isaac.ka...@mifos.org> > > >> wrote: > > >> > > >>> Thanks for helping out with the image Ed. > > >>> > > >>> The image never showed up for me...probably a pesky internet > > connection. > > >>> > > >>> @Karthik Ananthakrishnan <karthy...@gmail.com> , I think my > > >>> aforementioned > > >>> suggestion should work. If it doesn't, then use `* -Xms4G -Xmx4G* ` > > >>> instead. Also, provide feedback on whether or not it helped and > update > > >>> documentation appropriately. > > >>> > > >>> Cheers, > > >>> Isaac Kamga > > >>> > > >>> On Tue, Sep 18, 2018 at 2:43 PM Ed Cable <edca...@mifos.org> wrote: > > >>> > > >>>> The image showed up for me. I've added it to imgur here: > > >>>> > > >>>> https://imgur.com/a/Qt145wA > > >>>> > > >>>> Ed > > >>>> > > >>>> On Tue, Sep 18, 2018 at 3:50 AM Courage Angeh < > couragean...@gmail.com > > > > > >>>> wrote: > > >>>> > > >>>>> Hi Karthik, > > >>>>> > > >>>>> You still haven't attached the image. You could try using > > >>>>> https://pastebin.com/ instead. > > >>>>> > > >>>>> On Mon, Sep 17, 2018 at 11:54 AM Karthik Ananthakrishnan > > >>>>> <karthi...@beyondsquare.com.invalid> wrote: > > >>>>> > > >>>>>> Thanks Issac. Attached the image as well as the err log for your > > >>>>>> reference. Let me try using the xms and xmx options. Are you > using > > >>>> those > > >>>>>> when you run the server.? > > >>>>>> > > >>>>>> > > >>>> > > >>>> -- > > >>>> *Ed Cable* > > >>>> President/CEO, Mifos Initiative > > >>>> edca...@mifos.org | Skype: edcable | Mobile: +1.484.477.8649 > > >>>> > > >>>> *Collectively Creating a World of 3 Billion Maries | * > > http://mifos.org > > >>>> <http://facebook.com/mifos> <http://www.twitter.com/mifos> > > >>>> > > >> > > > > > > -- > Karthik Krishnan >
