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From Michael Shuler <mich...@pbandjelly.org>
Subject Re: Migrating from Datastax Distribution to Apache Cassandra
Date Fri, 07 Apr 2017 18:20:20 GMT
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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