Upgrading from Cassandra 2.1.12 to 3.0.9

Hello all, I would like to upgrade my Cassandra cluster from 2.1.12 to 3.7. I have read the following documentation: · http://docs.datastax.com/en/latest-upgrade/upgrade/cassandra/upgrdCassandra.html · https://github.com/apache/cassandra/blob/cassandra-3.7/NEWS.txt but still h

Re: Upgrading from Cassandra 2.1.12 to 3.0.9

Consultant Austin, TX Apache Cassandra Consulting http://www.thelastpickle.com On Fri, Sep 23, 2016 at 8:17 AM, Khaja, Raziuddin (NIH/NLM/NCBI) [C] mailto:raziuddin.kh...@nih.gov>> wrote: Hello all, I would like to upgrade my Cassandra cluster from 2.1.12 to 3.7. I have read the follo

Re: Backups eating up disk space

Hello Kunal, I would take a look at the following configuration options in the Cassandra.yaml Common automatic backup settings Incremental_backups: http://docs.datastax.com/en/archived/cassandra/3.x/cassandra/configuration/configCassandra_yaml.html#configCassandra_yaml__incremental_backups (Defa

Re: Backups eating up disk space

by that you mean the main data files, does that mean I can safely remove all files ONLY under the "backups/" directory? Or, removing any files that are current hard-links inside backups can potentially cause any issues? Thanks, Kunal On 11 January 2017 at 01:06, Khaja, Raziuddin

Re: Backups eating up disk space

be painful if the objective is to ever recover data. With the usual disclaimers, better to rely on third party vendors to accomplish the needful rather than scripts/tablesnap. Regards Prasenjit On Wed, Jan 11, 2017 at 7:49 AM, Khaja, Raziuddin (NIH/NLM/NCBI) [C] mailto:raziuddin.kh...@nih.gov&g

Re: Backups eating up disk space

s, managing the backups folder across multiple nodes can be painful if the objective is to ever recover data. With the usual disclaimers, better to rely on third party vendors to accomplish the needful rather than scripts/tablesnap. Regards Prasenjit On Wed, Jan 11, 2017 at 7:49 AM, Khaja, Raziu

Re: IPv6-only host, can't seem to get Cassandra to bind to a public port

See this note in cassandra-topology.properties: # Native IPv6 is supported, however you must escape the colon in the IPv6 Address # Also be sure to comment out JVM_OPTS="$JVM_OPTS -Djava.net.preferIPv4Stack=true" # in cassandra-env.sh fe80\:0\:0\:0\:202\:b3ff\:fe1e\:8329=DC1:RAC3 Maybe y

Re: IPv6-only host, can't seem to get Cassandra to bind to a public port

: false Also, looking at my config, I can confirm that it is uneccessary or wrong to escape the ipv6 address with \ as I suggested before. -Razi On 4/12/17, 4:05 PM, "Martijn Pieters" wrote: From: "Khaja, Raziuddin (NIH/NLM/NCBI) [C]" > Maybe you have to escap

Re: IPv6-only host, can't seem to get Cassandra to bind to a public port

d again with "# listen_interface_prefer_ipv6: false" (option commented out), but the error persists. I've also rebooted the system, in case the upgrade from base 16.04 to 16.04.2 left something in a funky state. On 12/04/2017, 21:39, "Khaja, Raziuddin (NIH/NLM

Re: IPv6-only host, can't seem to get Cassandra to bind to a public port

You are welcome Martjin! Glad to have been able to help ( Best, -Razi On 4/13/17, 12:13 PM, "Martijn Pieters" wrote: On 13/04/2017, 15:06, "Khaja, Raziuddin (NIH/NLM/NCBI) [C]" wrote: > Looking at your original message: https://urldefense.proofpoint.com/v2/

Re: Can a Cassandra node accept writes while being repaired

Sorry if this is a double post. My message may not have posted since I sent the email before receiving the WELCOME message. From: , Razi Khaja mailto:raziuddin.kh...@nih.gov>> Date: Thursday, May 7, 2015 at 12:31 PM To: "user@cassandra.apache.org" mailto:user

Can a Cassandra node accept writes while being repaired

I was not able to find a conclusive answer to this question on the internet so I am asking this question here. Is a Cassandra node able to accept insert or delete operations while the node is being repaired? Thanks -Razi

Re: Can a Cassandra node accept writes while being repaired

Subject: Re: Can a Cassandra node accept writes while being repaired Yes, Cassandra nodes accept writes during Repair. Also Repair triggers compactions to remove any tombstones. On Thu, May 7, 2015 at 9:31 AM, Khaja, Raziuddin (NIH/NLM/NCBI) [C] mailto:raziuddin.kh...@nih.gov>> wrote: I