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From Michael Shuler <mich...@pbandjelly.org>
Subject Re: Migrating from Datastax Distribution to Apache Cassandra
Date Mon, 10 Apr 2017 13:25:16 GMT
Changes between 3.7 and 3.10? Yes, massive changes. Read NEWS.txt and
CHANGES.txt with every upgrade. Test upgrades in staging.

-- 
Kind regards,
Michael

On 04/10/2017 02:02 AM, Eren Yilmaz wrote:
> Thanks Michael,
> 
> Are there any data changes that I need to worry about?
> 
> Eren 
> 
> -----Original Message-----
> From: Michael Shuler [mailto:mshuler@pbandjelly.org] On Behalf Of Michael Shuler
> Sent: Friday, April 7, 2017 9:20 PM
> To: user@cassandra.apache.org
> Subject: Re: Migrating from Datastax Distribution to Apache Cassandra
> 
> Example DDC 3.7.0 to Apache Cassandra 3.10 upgrade with all default configs, no data,
and both the DDC and Apache Cassandra lines in sources.list (sorry for any weird wrapping,
but I think the list strips
> attachments):
> 
> mshuler@hana:~$ apt-cache policy datastax-ddc cassandra
> datastax-ddc:
>   Installed: (none)
>   Candidate: 3.7.0
>   Version table:
>      3.7.0 0
>         500 https://debian.datastax.com/datastax-ddc/ 3.7/main amd64 Packages
> cassandra:
>   Installed: (none)
>   Candidate: 3.10
>   Version table:
>      3.10 0
>         500 http://www.apache.org/dist/cassandra/debian/ 310x/main amd64 Packages mshuler@hana:~$
mshuler@hana:~$ sudo apt-get install datastax-ddc Reading package lists... Done Building dependency
tree Reading state information... Done The following extra packages will be installed:
>   datastax-ddc-tools
> The following NEW packages will be installed:
>   datastax-ddc datastax-ddc-tools
> 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
> Need to get 28.4 MB of archives.
> After this operation, 38.0 MB of additional disk space will be used.
> Do you want to continue? [Y/n]
> Get:1 https://debian.datastax.com/datastax-ddc/ 3.7/main datastax-ddc all 3.7.0 [28.4
MB]
> Get:2 https://debian.datastax.com/datastax-ddc/ 3.7/main datastax-ddc-tools all 3.7.0
[4,484 B] Fetched 28.4 MB in 3s (8,210 kB/s) Selecting previously unselected package datastax-ddc.
> (Reading database ... 171852 files and directories currently installed.) Preparing to
unpack .../datastax-ddc_3.7.0_all.deb ...
> Unpacking datastax-ddc (3.7.0) ...
> Selecting previously unselected package datastax-ddc-tools.
> Preparing to unpack .../datastax-ddc-tools_3.7.0_all.deb ...
> Unpacking datastax-ddc-tools (3.7.0) ...
> Processing triggers for systemd (215-17+deb8u6) ...
> Setting up datastax-ddc (3.7.0) ...
> vm.max_map_count = 1048575
> net.ipv4.tcp_keepalive_time = 300
> update-rc.d: warning: start and stop actions are no longer supported; falling back to
defaults Setting up datastax-ddc-tools (3.7.0) ...
> Processing triggers for systemd (215-17+deb8u6) ...
> mshuler@hana:~$
> mshuler@hana:~$ sudo apt-get install cassandra cassandra-tools Reading package lists...
Done Building dependency tree Reading state information... Done The following packages will
be REMOVED:
>   datastax-ddc datastax-ddc-tools
> The following NEW packages will be installed:
>   cassandra cassandra-tools
> 0 upgraded, 2 newly installed, 2 to remove and 0 not upgraded.
> Need to get 29.2 MB of archives.
> After this operation, 939 kB of additional disk space will be used.
> Do you want to continue? [Y/n]
> Get:1 http://www.apache.org/dist/cassandra/debian/ 310x/main cassandra all 3.10 [29.2
MB]
> Get:2 http://www.apache.org/dist/cassandra/debian/ 310x/main cassandra-tools all 3.10
[4,558 B] Fetched 29.2 MB in 2s (13.6 MB/s) (Reading database ... 172046 files and directories
currently installed.) Removing datastax-ddc-tools (3.7.0) ...
> Removing datastax-ddc (3.7.0) ...
> Selecting previously unselected package cassandra.
> (Reading database ... 171870 files and directories currently installed.) Preparing to
unpack .../cassandra_3.10_all.deb ...
> Unpacking cassandra (3.10) ...
> Selecting previously unselected package cassandra-tools.
> Preparing to unpack .../cassandra-tools_3.10_all.deb ...
> Unpacking cassandra-tools (3.10) ...
> Processing triggers for systemd (215-17+deb8u6) ...
> Setting up cassandra (3.10) ...
> Installing new version of config file /etc/cassandra/cassandra-env.sh ...
> Installing new version of config file /etc/cassandra/cassandra.yaml ...
> Installing new version of config file /etc/cassandra/jvm.options ...
> Installing new version of config file /etc/cassandra/logback-tools.xml ...
> Installing new version of config file /etc/cassandra/logback.xml ...
> vm.max_map_count = 1048575
> net.ipv4.tcp_keepalive_time = 300
> update-rc.d: warning: start and stop actions are no longer supported; falling back to
defaults Setting up cassandra-tools (3.10) ...
> mshuler@hana:~$
> 
> --
> Warm regards,
> Michael
> 


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