cassandra-external-file-seed-provider: manage your list of seeds via an external file

2021-06-25 Thread Jonathan Ballet
Hello, I wanted to announce a small project that I've worked on a while ago, that may be useful to other people: https://github.com/multani/cassandra-external-file-seed-provider This is a simple seed provider that fetches the list of seeds from an externally managed file. The original goal was

Re: How seed nodes are working and how to upgrade/replace them?

2019-01-09 Thread Jonathan Ballet
On Tue, 8 Jan 2019 at 18:29, Jeff Jirsa wrote: > Given Consul's popularity, seems like someone could make an argument that > we should be shipping a consul-aware seed provider. > Elasticsearch has a very handy dedicated file-based discovery system:

Re: How seed nodes are working and how to upgrade/replace them?

2019-01-09 Thread Jonathan Ballet
On Tue, 8 Jan 2019 at 18:39, Jeff Jirsa wrote: > On Tue, Jan 8, 2019 at 8:19 AM Jonathan Ballet wrote: > >> Hi Jeff, >> >> thanks for answering to most of my points! >> From the reloadseeds' ticket, I followed to >> https://issues.apache.org/jira/

Re: How seed nodes are working and how to upgrade/replace them?

2019-01-08 Thread Jonathan Ballet
Hi Jeff, thanks for answering to most of my points! >From the reloadseeds' ticket, I followed to https://issues.apache.org/jira/browse/CASSANDRA-3829 which was very instructive, although a bit old. On Mon, 7 Jan 2019 at 17:23, Jeff Jirsa wrote: > > On Jan 7, 2019, at 6:37 AM, Jonath

Re: How seed nodes are working and how to upgrade/replace them?

2019-01-08 Thread Jonathan Ballet
On Mon, 7 Jan 2019 at 16:51, Oleksandr Shulgin wrote: > On Mon, Jan 7, 2019 at 3:37 PM Jonathan Ballet wrote: > >> >> I'm working on how we could improve the upgrades of our servers and how >> to replace them completely (new instance with a new IP address). &g

How seed nodes are working and how to upgrade/replace them?

2019-01-07 Thread Jonathan Ballet
Hi, I'm trying to understand how seed nodes are working, when and how do they play a part in a Cassandra cluster, and how they should be managed and propagated to other nodes. I have a cluster of 6 Cassandra nodes (let's call them #1 to #6), on which node #1 and #2 are seeds. All the

Separated commit log directory configuration

2018-09-30 Thread Jonathan Ballet
Hi, Cassandra's documentation has several recommendations for moving the commit log directory to a dedicated disk, separated from the sstables disk(s). However, I couldn't find much information on what would be good practices regarding this dedicated commit log disk and I'm wondering how to

Re: Rebuilding a new Cassandra node at 100Mb/s

2015-12-04 Thread Jonathan Ballet
om <mailto:rc...@eventbrite.com>> wrote: On Thu, Dec 3, 2015 at 7:51 AM, Jonathan Ballet <jbal...@edgelab.ch <mailto:jbal...@edgelab.ch>> wrote: I noticed it's not really fast and my monitoring system shows that the traffic incoming on this node is exactly at

Re: Rebuilding a new Cassandra node at 100Mb/s

2015-12-04 Thread Jonathan Ballet
Thanks for your answer Rob, On 12/03/2015 08:32 PM, Robert Coli wrote: On Thu, Dec 3, 2015 at 7:51 AM, Jonathan Ballet <jbal...@edgelab.ch <mailto:jbal...@edgelab.ch>> wrote: I noticed it's not really fast and my monitoring system shows that the traffic incoming on this nod

Rebuilding a new Cassandra node at 100Mb/s

2015-12-03 Thread Jonathan Ballet
Hi, I added a new node to my cluster but in a new datacenter. After updating the keyspace replication factor values (using the NetworkTopologyStrategy strategy), I'm now running a "nodetool rebuild" on the new node. I noticed it's not really fast and my monitoring system shows that the

Many keyspaces pattern

2015-11-24 Thread Jonathan Ballet
Hi, we are running an application which produces every night a batch with several hundreds of Gigabytes of data. Once a batch has been computed, it is never modified (nor updates nor deletes), we just keep producing new batches every day. Now, we are *sometimes* interested to remove a

Re: Deploying OpsCenter behind a HTTP(S) proxy

2015-06-19 Thread Jonathan Ballet
infrastructure for Orbitz and some major banks, and I'd be happpy to help you out on this. I charge $30/hr., but what you need isn't very complex so we're really just talking $100. On Thu, Jun 18, 2015 at 5:13 AM, Jonathan Ballet jbal...@gfproducts.ch mailto:jbal...@gfproducts.ch wrote

Re: Deploying OpsCenter behind a HTTP(S) proxy

2015-06-19 Thread Jonathan Ballet
the architectural infrastructure for Orbitz and some major banks, and I'd be happpy to help you out on this. I charge $30/hr., but what you need isn't very complex so we're really just talking $100. On Thu, Jun 18, 2015 at 5:13 AM, Jonathan Ballet jbal...@gfproducts.ch mailto:jbal...@gfproducts.ch wrote

Deploying OpsCenter behind a HTTP(S) proxy

2015-06-18 Thread Jonathan Ballet
Hi, I'm looking for information on how to correctly deploy an OpsCenter instance behind a HTTP(S) proxy. I have a running instance of OpsCenter 5.1 reachable at http://opscenter:/opscenter/ but I would like to be able to serve this kind of tool under a single hostname on HTTPS along with

Re: Using Cassandra and Twisted (Python)

2015-06-17 Thread Jonathan Ballet
/forum/#!forum/python-driver-user On Tue, Jun 16, 2015 at 1:01 AM, Jonathan Ballet jbal...@gfproducts.ch mailto:jbal...@gfproducts.ch wrote: Hi, I'd like to write some Python applications using Twisted to talk to a Cassandra cluster. It seems like the Datastax Python library from

Using Cassandra and Twisted (Python)

2015-06-16 Thread Jonathan Ballet
Hi, I'd like to write some Python applications using Twisted to talk to a Cassandra cluster. It seems like the Datastax Python library from https://github.com/datastax/python-driver does support Twisted, but it's not exactly clear how I would use this library along with Twisted. The