Re: Designing a table in cassandra

particular device_name in this particular time range" > > Hope it helps. > > Regards > > Carlos Alonso | Software Engineer | @calonso <https://twitter.com/calonso> > > On 7 November 2016 at 01:23, sat <sathish.al...@gmail.com> wrote: > >> Hi, &g

Designing a table in cassandra

Hi, We are new to Cassandra. For our POC, we tried creating table and inserting them as JSON and all these went fine. Now we are trying to implement one of the application scenario, and I am having difficulty in coming up with the best approach. Scenario: We have a Device POJO which have some

Re: Cassandra Triggers

Hi, We are doing POC on Cassandra for our business needs. We also need some kind of notification when a column/attribute is modified (insert/update/delete) of a table. Thanks for sharing information about CDC. Could you please point us to some example of how to implement this in Cassandra 3.9.

Priority for cassandra nodes in cluster

Hi, We are planning to install 3 node cluster in production environment. Is it possible to provide weightage or priority to the nodes in cluster. Eg., We want more more records to be written to first 2 nodes and less to the 3rd node. We are thinking of this approach because we want to install

Re: ITrigger - Help

really good use case I don't know who >> would want to maintain that though, as it would lock the team into using >> Python for cqlsh. >> >> Jon >> >> On Fri, Nov 11, 2016 at 9:52 AM sat <sathish.al...@gmail.com> wrote: >> >>> Hi, >>>

Re: Priority for cassandra nodes in cluster

Hi, Thanks all for your valuable suggestion. Thanks and Regards A.SathishKumar On Sat, Nov 12, 2016 at 2:59 PM, Ben Bromhead <b...@instaclustr.com> wrote: > +1 w/ Benjamin. > > However if you wish to make use of spare hardware capacity, look to > something like mesos DC/OS

Re: ITrigger - Help

t a JIRA / patch to enable some class loading & listener hooks in > cqlsh itself. Without a patch and a really good use case I don't know who > would want to maintain that though, as it would lock the team into using > Python for cqlsh. > > Jon > > On Fri, Nov 11, 2016 at 9:52

ITrigger - Help

Hi, We are planning to use ITrigger to notify changes, when we execute scripts or run commands in cqlsh prompt. If the operation is performed through our application CRUD API, we are planning to handle notification in our CRUD API itself, however if user performs some operation(like write

Re: Discrepancy in nodetool status

iPhone > > On Dec 22, 2017, at 5:28 PM, sat <sathish.al...@gmail.com> wrote: > > > > Hi, > > We have 3 nodes in cluster, we rebooted one of the cassandra VM, we > noticed nodetool status returning "UN" for itself and "DN" for other node,

Re: Discrepancy in nodetool status

ason why "Node 2" is not receiving any "Ack" message from "Node 1" for 10 -15 minutes and how it suddenly able to receive "Ac" messages. Inter node communication port is 7000. 3 node cluster, and we have all 3 nodes as seed ips. Thanks and Regards A.SathishKu

Re: Cassandra takes more time to join the cluster

rror > writing to {}", poolReference.endPoint(), e);* Please let us know what triggers "Connection TimeOut" exception in "Node 2 and 3" and ways to resolve this. Thanks and Regards A.SathishKumar On Fri, Dec 22, 2017 at 12:06 PM, sat <sathish.al...@gmail.com>

Cassandra takes more time to join the cluster

We have configured 3 node cassandra cluster in RHEL 7.2 version and we are doing cluster testing. When we start cassandra in all 3 nodes they form a cluster and they work fine. But when we bring one node down using "init 6" or "reboot" command, the rebooted node takes more time to join the

Re: Cassandra takes more time to join the cluster

ging? > > -- > Jeff Jirsa > > > On Dec 21, 2017, at 8:56 PM, sat <sathish.al...@gmail.com> wrote: > > We have configured 3 node cassandra cluster in RHEL 7.2 version and we are > doing cluster testing. When we start cassandra in all 3 nodes they form a > cluster

Re: Cassandra takes more time to join the cluster

somewhere like pastebin? Sanitize/anonymize as > needed. > > > > -- > Jeff Jirsa > > > On Dec 21, 2017, at 9:15 PM, sat <sathish.al...@gmail.com> wrote: > > Hi, > > We observe gossip is not received by other nodes and we see "Convicted" > messa

Discrepancy in nodetool status

Hi, We have 3 nodes in cluster, we rebooted one of the cassandra VM, we noticed nodetool status returning "UN" for itself and "DN" for other node, although we observe gossip sync and ack messages being shared between these nodes. *Issue in Detail* *Nodes in cluster* Node1 Node 2 Node 3 All

Re: Cassandra takes more time to join the cluster

Hi, This issue is related to https://issues.apache.org/jira/browse/CASSANDRA-9630 Thanks and Regards A.SathishKumar On Sun, Dec 24, 2017 at 2:59 AM, sat <sathish.al...@gmail.com> wrote: > Hi, > > We have 3 node cluster, before we reboot one of the VMWare VM/node (RHEL > 7.2)

Re: Discrepancy in nodetool status

Hi, We guess the issue we are facing is related to https://issues.apache.org/jira/browse/CASSANDRA-9630. Will it be fixed in 3.11 release. Thanks and Regards A.SathishKumar On Fri, Dec 22, 2017 at 6:15 PM, sat <sathish.al...@gmail.com> wrote: > Hi, > > We tried rebooti