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From Eren Yilmaz <Eren.Yil...@sebit.com.tr>
Subject RE: Migrating from Datastax Distribution to Apache Cassandra
Date Mon, 10 Apr 2017 07:02:48 GMT
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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