Re: Using Cassandra as local db without cluster

2018-10-19 Thread Abdelkrim Fitouri
a database in > a single-host use case (if you’re sure it’ll never be more than one > machine). > > > > -- > > Jeff Jirsa > > > > > >> On Oct 18, 2018, at 12:31 PM, Abdelkrim Fitouri > wrote: > >> > >> Hello, > >> > >&g

Re: Using Cassandra as local db without cluster

2018-10-18 Thread Abdelkrim Fitouri
ot too big ? In my solution a collection can have between 5 elements and 500 elements and an element is about 256 caracter. Kind regards. On Thu, Oct 18, 2018 at 12:31 PM Abdelkrim Fitouri > wrote: > > > Hello, > > > > I am wondering if using cassandra as one local databa

Using Cassandra as local db without cluster

2018-10-18 Thread Abdelkrim Fitouri
Hello, I am wondering if using cassandra as one local database without the cluster capabilities has a sens, (i cannot do multi node cluster due to a technical constraint) I have an application with a purpose to store a dynamic number of colones on each rows (thing that i cannot do with classical

Re: Difference between heartbeat and generation on a Gossip packet

2018-07-03 Thread Abdelkrim Fitouri
ro). > > So yea, think of (generation, version) as forming a logical clock which > roughly corresponds to (~last process start in seconds since the epoch, > ~seconds since last process start) for each node. This logical clock is > used to create ordering in gossip state changes. > >

Difference between heartbeat and generation on a Gossip packet

2018-06-26 Thread Abdelkrim Fitouri
Hello, I am studying the gossip part on casssandra and wondering about the difference between the heartbeat and generation data exchanged for the autodiscovery. many thanks for any help. -- Best Regards. Abdelkarim.

Re: custom validation before replication

2017-11-16 Thread Abdelkrim Fitouri
-16 21:59 GMT+01:00 Nate McCall <zznat...@gmail.com>: > On Fri, Nov 17, 2017 at 9:11 AM, Abdelkrim Fitouri <abdou@gmail.com> > wrote: > > Trigger does not resolve my problem because it is not a format validation > > issue but an integrity constraint ... > >

RE: custom validation before replication

2017-11-16 Thread Abdelkrim Fitouri
g/doc/latest/cql/security.html Regards, -- Jacques-Henri Berthemet -Original Message- From: Abdelkrim Fitouri [mailto:abdou@gmail.com] Sent: jeudi 16 novembre 2017 18:31 To: dev@cassandra.apache.org Subject: custom validation before replication Hi, I have some security constraint on a pro

custom validation before replication

2017-11-16 Thread Abdelkrim Fitouri
Hi, I have some security constraint on a project, and i need to validate or unvalidate changes made on a keyspace via cql or via an other ways before replication. for example in the case of multinode cluster with replication, if data was changed locally using cqlsh, data will be replicated (that