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List:       cassandra-user
Subject:    Re: [RELEASE] Apache Cassandra 4.0.0 released
From:       Adam Scott <adam.c.scott () gmail ! com>
Date:       2021-07-29 22:40:15
Message-ID: pony-6d6f1f87993bdf89c3d8f699cc5035879fc38e99-4756546605b6339171b43db547d55aa7b3616137 () user ! cassandra ! apache ! org
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Thank you Scott!

We installed over on top of 3.11 and it's working fine.  Easy non-upgrade path :)

Thanks again,

Adam


On 2021/07/28 22:49:11, Scott Andreas <scott@paradoxica.net> wrote: 
> If you're running Cassandra 3.x, the only data file requirement is that all \
> SSTables present on your cluster are 3.x-era SSTables. 
> This means that you should/should have run upgradesstables at least once on \
> Cassandra 3.x after upgrading from an earlier release before upgrading to Cassandra \
> 4.0. This is necessary because Cassandra 4.0 cannot read the legacy Cassandra 2.x \
> SSTable format. 
> In the same vein, it's not necessary to run upgradesstables after upgrading from \
> Cassandra 3.x to Cassandra 4.0 as 4.0 is able to read 3.x's data format fine. At a \
> later time in the future, it may be necessary to run upgradesstables prior to \
> upgrading to confirm there are no 3.x SSTables left -- but no such post-4.0 SSTable \
> format changes have been proposed yet. 
> ________________________________________
> From: Adam Scott <adam.c.scott@gmail.com>
> Sent: Wednesday, July 28, 2021 2:58 PM
> To: user@cassandra.apache.org
> Subject: Re: [RELEASE] Apache Cassandra 4.0.0 released
> 
> Thanks Brandon!
> 
> Anyone know the upgrade path from 3.x?  \
> https://cassandra.apache.org/doc/latest/cassandra/getting_started/installing.html \
> Doesn't look like it has specific upgrade instructions. 
> For instance do we need to run nodetool upgradesstables?
> 
> TIA
> 
> 
> On 2021/07/26 20:03:59, Brandon Williams <driftx@gmail.com> wrote:
> > The Cassandra team is pleased to announce the release of Apache
> > Cassandra version 4.0.0.
> > 
> > Apache Cassandra is a fully distributed database. It is the right
> > choice when you need scalability and high availability without
> > compromising performance.
> > 
> > http://cassandra.apache.org/
> > 
> > Downloads of source and binary distributions are available in our
> > download section:
> > 
> > http://cassandra.apache.org/download/
> > 
> > This version is the initial release in the 4.0 series. As always,
> > please pay attention to the release notes[2] and Let us know[3] if you
> > were to encounter any problem.
> > 
> > Enjoy!
> > 
> > [1]: CHANGES.txt
> > https://gitbox.apache.org/repos/asf?p=cassandra.git;a=blob_plain;f=CHANGES.txt;hb=refs/tags/cassandra-4.0.0
> >  [2]: NEWS.txt https://gitbox.apache.org/repos/asf?p=cassandra.git;a=blob_plain;f=NEWS.txt;hb=refs/tags/cassandra-4.0.0
> >  [3]: https://issues.apache.org/jira/browse/CASSANDRA
> > 
> 


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