Launching a distributed database inside of an application server does not make it easier to manage, it makes it a nightmare.
Rebooting a node is easy, rebooting ALL your nodes when you do a deployment is pointless. On Tue, Jan 26, 2016 at 2:14 PM Enrico Olivelli <eolive...@gmail.com> wrote: > Hanks for your replies. > Actually my service uses a traditional jdbc database which is to be shared > among all the peers. I'm looking for a shared-nothing db and Cassandra > seems good. > I'm already using HBase in production but it seems to me that Cassandra is > more dynamic. No need for distributed fs like hdfs, no need for a > coordinator. From the docs it looks like a sort of peer to peer db. > Your answers sound like a reboot of a node or the addition or the removal > are not so simple and automatic operations ? > > The other use case is that I want a db that can be launched inside the > same process in order to make the system simpler to manage. Actually we use > h2 for single instance deployments but it is not good for production. > > -- Enrico > > Il giorno Mar 26 Gen 2016 21:59 Jonathan Haddad <j...@jonhaddad.com> ha > scritto: > >> For the sake of argument... why do you think you should embed Cassandra? >> I'll be honest with you, making Cassandra restart every time you want to >> upgrade your daemon sounds like a horrible idea. >> >> Run your 10 DB instances on their own and save yourself the operational >> headache. >> >> On Tue, Jan 26, 2016 at 11:35 AM Richard L. Burton III < >> mrbur...@gmail.com> wrote: >> >>> I'm certain you're going to get a lot of users on this mailing list >>> telling you that's a bad idea. You should read up on Cassandra via datastax >>> website to understand how Cassandra is designed and works. >>> >>> There's tools for monitoring and more. >>> >>> On Tue, Jan 26, 2016 at 2:31 PM, Enrico Olivelli <eolive...@gmail.com> >>> wrote: >>> >>>> Hi, >>>> I' new to Cassandra. I'm evaluating to launch Cassandra daemon inside >>>> the JVM of my program. This is essentially because I want the lifecycle of >>>> Cassandra to be managed by my daemon. >>>> My program can be launched on several machines (in the order of max 10 >>>> instances) and every instance collaborate with others in a peer to peer, >>>> fully decentralized way. Cassandra seems to be the best java db which can >>>> be useful for my purpose. >>>> >>>> Is there any experience of Cassandra embedded in production systems ? >>>> >>>> Regards >>>> Enrico Olivelli >>>> >>> >>> >>> >>> -- >>> -Richard L. Burton III >>> @rburton >>> >>
