Re: Multi-DC replication and hinted handoff

2019-04-02 Thread Stefan Miklosovic
Hi Jens, I am reading Cassandra The definitive guide and there is a chapter 9 - Reading and Writing Data and section The Cassandra Write Path and this sentence in it: If a replica does not respond within the timeout, it is presumed to be down and a hint is stored for the write. So your node

Procedures for moving part of a C* cluster to a different datacenter

2019-04-02 Thread Saleil Bhat (BLOOMBERG/ 731 LEX)
Hello all, I have a question about moving part of a multi-datacenter cluster to a new physical datacenter. For example, suppose I have a two-datacenter cluster with one DC in San Jose, California and one DC in Orlando, Florida, and I want to move all the nodes in Orlando to a new datacenter

Re: Cassandra STIG

2019-04-02 Thread Krish Donald
Hi Joe, Thanks for the reply, I am looking for Cassandra STIG. I found one link. https://grokbase.com/p/cassandra/user/162g7mfvg2/security-assessment-of-cassandra Anyone has a complete Cassandra STIG ? CIS benchmark is not the one ia m looking for. Thanks Krish On Tue, Apr 2, 2019 at 1:25 PM

Re: Cassandra STIG

2019-04-02 Thread Joseph Testa
There is a recently published CIS benchmark for Cassandra. Joe On Tue, Apr 2, 2019 at 4:19 PM Krish Donald wrote: > Hi, > > Does anyone has Cassandra STIG ? > > Thanks > Krish >

Cassandra STIG

2019-04-02 Thread Krish Donald
Hi, Does anyone has Cassandra STIG ? Thanks Krish

Re: Multi-DC replication and hinted handoff

2019-04-02 Thread Jens Fischer
Yes, Apache Cassandra 3.11.2 (no DSE). On 2. Apr 2019, at 19:40, sankalp kohli mailto:kohlisank...@gmail.com>> wrote: Are you using OSS C*? On Fri, Mar 29, 2019 at 1:49 AM Jens Fischer mailto:j.fisc...@sonnen.de>> wrote: Hi, I have a Cassandra setup with multiple data centres. The vast

Re: Best practices while designing backup storage system for big Cassandra cluster

2019-04-02 Thread Carl Mueller
Another approach to avoiding the full backup I/O hit would be to rotate a node or small subset of nodes that do full backups routinely, so that over the course of a month or two you get full backups. Of course this assumes you have incremental ability for the other backup days/dates. On Mon, Apr

Re: Multi-DC replication and hinted handoff

2019-04-02 Thread sankalp kohli
Are you using OSS C*? On Fri, Mar 29, 2019 at 1:49 AM Jens Fischer wrote: > Hi, > > I have a Cassandra setup with multiple data centres. The vast majority of > writes are LOCAL_ONE writes to data center DC-A. One node (lets call this > node A1) in DC-A has accumulated large amounts of hint

Re: How do u setup networking for Opening Solr Web Interface when on cloud?

2019-04-02 Thread Amanda Moran
Hi there Krish- I want to +1 what Rahul said about reaching out to DataStax. Please submit a support ticket, and DataStax support can help you with this. Thanks! Amanda On Mon, Apr 1, 2019 at 3:47 PM Krish Donald wrote: > I have searched on internet but did not get any link which worked for

How to install an older minor release?

2019-04-02 Thread Oleksandr Shulgin
Hello, We've just noticed that we cannot install older minor releases of Apache Cassandra from Debian packages, as described on this page: http://cassandra.apache.org/download/ Previously we were doing the following at the last step: apt-get install cassandra==3.0.17 Today it fails with error:

Re: Five Questions for Cassandra Users

2019-04-02 Thread Alain RODRIGUEZ
Hello, I'm no longer operating "my" own cluster, but now doing consulting for TLP. Here is what is would say with my own experience: 1. Do the same people where you work operate the cluster and write > the code to develop the application? > It's not the same set of skills that is required