It's worth noting that there's a purpose-built framework for Cassandra: https://github.com/mesosphere/cassandra-mesos
You probably want to use this instead of trying to run C* on Marathon. On Sun, Oct 11, 2015 at 6:05 PM, Rad Gruchalski <[email protected]> wrote: > Rafael, > > According to the cassandra documentation, you should not be affected at > all: > > http://docs.datastax.com/en/cassandra/2.0/cassandra/operations/ops_tune_jvm_c.html > > However, your performance with these settings will be rather poor. > > Kind regards, > Radek Gruchalski > [email protected] <[email protected]> > de.linkedin.com/in/radgruchalski/ > > > *Confidentiality:*This communication is intended for the above-named > person and may be confidential and/or legally privileged. > If it has come to you in error you must take no action based on it, nor > must you copy or show it to anyone; please delete/destroy and inform the > sender immediately. > > On Monday, 12 October 2015 at 02:42, Rafael Capucho wrote: > > Hello!, > > I'm using the follow marathon script [1] to launch cassandra non-seeds > nodes, it is working properly. > > [1] - http://hastebin.com/visujikela.lua > > As you can see in the script, I'm limiting CPU and Memory. > > But some nodes of my cluster is not that big, even because the cluster > isn't big yet. As we know, cassandra generally uses a lot of memory as > cache etc.. > > 1) I would like to know if Mesos will kill (and keep killing) Cassandra > process if it reach the memory limit? if Yes, how can I block Mesos from > kill it? > > 2) If I have one server with 4gb memory where I deployed Mesos Slave, and > I create a container (by using marathon) with mem=1024 (for example) the > processing within that container, when they ask about the memory available, > they will receive 4gb or 1gb? > > Thank you! > > > -- > Rafael Capucho > > Bachelor of Computer Science > Federal University of São Paulo > Institute of Science and Technology - ICT > > PGP-Public Key: 2048R/7389A96F pgp.mit.edu > FP: EDB5 CDEE 8442 99CC C92D 9173 6B32 A5C9 7389 A96F > > >
