cassandra-stress - confusing documentation

Hi all I'm using cassandra-stress directly from apache-cassandra-2.1.2/tools/bin The documentation I found http://www.datastax.com/documentation/cassandra/2.1/cassandra/tools/toolsCStress_t.html is either too old or too advance, but does not match what I use. In particular, I fail to use the -key

cassandra-stressd - cassandra-stress Daemon Mode

I'm trying to use cassandra-stressd (daemon Mode) Following the instruction in this link http://docs.datastax.com/en/cassandra/2.1/cassandra/tools/toolsCStressDaemon_t.html Two questions: 1. What does-h host parameter stands for, the daemon server, the C* server? I can not find this the parameter

Fail to add a node to a cluster - Unknown keyspace system_traces

I have a dev cluster of two Cassandra 2.12 servers on EC2 When adding a new server, I get a Streaming error occurred java.lang.AssertionError: Unknown keyspace system_traces exception on the cluster (not the new) server (full log below). Indeed, when I cqlsh to the cluster server, I see the

Re: Fail to add a node to a cluster - Unknown keyspace system_traces

-d01f0b64c45c rack1 My guess is system_traces initialization complete only after any data insertion. Before it does, any attempt to read from it either from nodetool, cqlsh or streaming to a new node will fail. On Mon, May 18, 2015 at 3:33 PM, Tzach Livyatan tz...@cloudius-systems.com wrote: I

cassandra-stress: Not enough replica available for query at consistency LOCAL_ONE (1 required but only 0 alive)

I'm running benchmark on a 2 nodes C* 2.1.8 cluster using cassandra-stress, with the default of CL =1 Stress runs fine for some time, and than start throwing: java.io.IOException: Operation x10 on key(s) [36333635504d4b343130]: Error executing: (UnavailableException): Not enough replica available

Using TTL in cassandra-stress

How do I set TTL for cassandra-stress inserts, either in the profile yaml file (better) or in the command line? Thanks Tzach

Re: [Ann] Ansible base Cassandra stress framework for EC2

For anyone interested, the framework can now deploy and stress Cassandra on multi EC2 regions. https://github.com/scylladb/cassandra-test-and-deploy Cheers Tzach On Thu, Sep 3, 2015 at 9:21 PM, Tzach Livyatan <tz...@cloudius-systems.com> wrote: > I'm please to share a framework fo

[Ann] Ansible base Cassandra stress framework for EC2

I'm please to share a framework for running Cassandra stress tests on EC2. https://github.com/cloudius-systems/ansible-cassandra-cluster-stress The framework is a collection of Ansible playbooks and scripts, allowing to: - Create a Cassandra cluster (setting server type, version, etc) - Launch

Re: Repair documentation

On Fri, Sep 4, 2015 at 3:50 PM, Marcus Olsson wrote: > Hi, > > While checking the repair documentation at > http://docs.datastax.com/en/cassandra/2.1/cassandra/tools/toolsRepair.html > I noticed the line *Use the **-hosts** option to list the good nodes to > use for

Re: ScyllaDB, a new open source, Cassandra-compatible NoSQL

gt; wrote: >> >>> Tzach, >>> Can you point to any documentation on scylladb site which talks about >>> how/why scylla db performs better than Cassandra while using the same >>> architecture? >>> Regards >>> Sachin >>> >

Re: ScyllaDB, a new open source, Cassandra-compatible NoSQL

hitecture? >> Regards >> Sachin >> >> On Tue, Sep 22, 2015 at 9:18 AM, Tzach Livyatan < >> tz...@cloudius-systems.com> wrote: >> >>> Hello Cassandra users, >>> >>> We are pleased to announce a new member of the Cassandra Ecosystem

Re: ScyllaDB, a new open source, Cassandra-compatible NoSQL

tp://www.scylladb.com/technology/architecture/ > Regards > Sachin > > On Tue, Sep 22, 2015 at 9:18 AM, Tzach Livyatan < > tz...@cloudius-systems.com> wrote: > >> Hello Cassandra users, >> >> We are pleased to announce a new member of the Cassandra Ecosystem - >

ScyllaDB, a new open source, Cassandra-compatible NoSQL

Hello Cassandra users, We are pleased to announce a new member of the Cassandra Ecosystem - ScyllaDB ScyllaDB is a new, open source, Cassandra-compatible NoSQL data store, written with the goal of delivering superior performance and consistent low latency. Today, ScyllaDB runs 1M tps per server