Re: What is the merit of incremental backup

2016-07-14 Thread Prasenjit Sarkar
Hi Satoshi You are correct that incremental backups offer you the opportunity to reduce the amount of data you need to transfer offsite. On the recovery path, you need to piece together the full backup and subsequent incremental backups. However, where incremental backups help is with respect to

use private ip for internode and public IP for seeds

2016-07-14 Thread Spiros Ioannou
Hello, Let's say we have a 3-node (linux) cassandra 3.7 cluster on GCE (same probably for EC2). VMs know their private IPs, and also have a public IP. Nodes were configured according to doc: multiple network interfaces which in short says to use private IPs for listen_address, public IP for

Re: Open source equivalents of OpsCenter

2016-07-14 Thread Romain Hardouin
Do you run C* on physical machine or in the cloud? If the topology doesn't change too often you can have a look a Zabbix. The downside is that you have to set up all the JMX metrics yourself... but that's also a good point because you can have custom metrics. If you want nice graphs/dashboards

What is the merit of incremental backup

2016-07-14 Thread Satoshi Hikida
Hi, I want to know the actual advantage of using incremental backup. I've read through the DataStax document and it says the merit of using incremental backup is as follows: - It allows storing backups offsite without transferring entire snapshots - With incremental backups and snapshots, it

Questions about anti-entropy repair

2016-07-14 Thread Satoshi Hikida
Hi, I have two questions about anti-entropy repair. Q1: According to the DataStax document, it's recommended to run full repair weekly or monthly. Is it needed even if repair with partitioner range option ("nodetool repair -pr", in C* v2.2+) is set to run periodically for every node in the

Re: Exclude a host from the repair process

2016-07-14 Thread Stone Fang
dont think it is necessary to remove the down node. the repair will continue comparing with other up node.ignore the down node. On Wed, Jul 13, 2016 at 9:44 PM, Jean Carlo wrote: > If a node is down in my cluster. > > Is it possible to exclude him from the repair

Re: Open source equivalents of OpsCenter

2016-07-14 Thread Juho Mäkinen
I'm doing some work on replacing OpsCenter in out setup. I ended creating a Docker container which contains the following features: - Cassandra 2.2.7 - MX4J (a JMX to REST bridge) as a java-agent - metrics-graphite-3.1.0.jar (export some but not all JMX to graphite) - a custom ruby which uses

Re: Open source equivalents of OpsCenter

2016-07-14 Thread Romain Hardouin
Hi Juho, Out of curiosity, which stack did you use to make your dashboard?  Romain Le Jeudi 14 juillet 2016 10h43, Juho Mäkinen a écrit : I'm doing some work on replacing OpsCenter in out setup. I ended creating a Docker container which contains the following

Re: (C)* stable version after 3.5

2016-07-14 Thread Stefano Ortolani
FWIW, I've recently upgraded from 2.1 to 3.0 without issues of any sort, but admittedly I haven't been using anything too fancy. Cheers, Stefano On Wed, Jul 13, 2016 at 10:28 PM, Alain RODRIGUEZ wrote: > Hi Anuj > > From >

Re: Open source equivalents of OpsCenter

2016-07-14 Thread Michał Łowicki
My experience while looking for a replacement on https://medium.com/@mlowicki/alternatives-to-datastax-opscenter-8ad893efe063

Re: Open source equivalents of OpsCenter

2016-07-14 Thread Stefano Ortolani
Replaced OpsCenter with a mix of: * metrics-graphite-3.1.0.jar installed in the same classpath of C* * Custom script to push system metrics (cpu/mem/io) * Grafana to create the dashboard * Custom repairs script Still not optimal but getting there... Stefano On Thu, Jul 14, 2016 at 10:18 AM,

Re: (C)* stable version after 3.5

2016-07-14 Thread Romain Hardouin
DSE 4.8 uses C* 2.1 and DSE 5.0 uses C* 3.0. So I would say that 2.1->3.0 is more tested by DataStax than 2.2->3.0. Le Jeudi 14 juillet 2016 11h37, Stefano Ortolani a écrit : FWIW, I've recently upgraded from 2.1 to 3.0 without issues of any sort, but admittedly I

Re: how to start a embed cassandra instance?

2016-07-14 Thread Stone Fang
Achilles is a good project.but it is heavy.actually i just need to 1.start/stop a embed standalone cassandra 2.start/stop a embed cassandra cluster. seems CassandraDaemon can just start a standalone,not cluster. On Wed, Jul 13, 2016 at 8:31 PM, DuyHai Doan wrote: > As