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https://issues.apache.org/jira/browse/CASSANDRA-20643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17951015#comment-17951015
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Brad Schoening commented on CASSANDRA-20643:
--------------------------------------------
If you installed it with 'pip', you would just need to upgrade or re-install
the package.
% pip show cqlsh
> after upgrade to Cassandra 5 cqlsh WARNING
> ------------------------------------------
>
> Key: CASSANDRA-20643
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20643
> Project: Apache Cassandra
> Issue Type: Bug
> Reporter: Daniel Silwon
> Priority: Normal
>
> After upgrade Cassandra 4.1.8 to Cassandra 5.x cqlsh shows:
> "WARNING: cqlsh was built against 4.1.4, but this server is 5.0.4. All
> features may not work!"
> Upgrade steps:
> 1. Node drain
> nodetool drain
> 2. Stop cassandra service
> sudo systemctl stop cassandra
> 3. Repo change to Cassandra 5 in /etc/yum.repos.d/cassandra.repo
> [cassandra]
> name=Apache Cassandra
> #baseurl=https://redhat.cassandra.apache.org/41x/noboolean/
> baseurl=https://redhat.cassandra.apache.org/50x/noboolean/
> gpgcheck=1
> repo_gpgcheck=1
> gpgkey=https://downloads.apache.org/cassandra/KEYS
> 4. Cassandra packages upgrade
> yum update cassandra -y
> 5. Setting permissions on files and directories
> chown -R cassandra.cassandra /etc/cassandra/
> 6. Java 17 installation and change default version
> dnf install java-17-openjdk.x86_64 -y
> alternatives --config java
> 7. Change in cassandra-env.sh
> sed -i 's/jamm-0.3.2.jar/jamm-0.4.0.jar/g'
> /etc/cassandra/conf/cassandra-env.sh
> 8. Remove obsolete parameters
> sed -i
> 's/compaction_tombstone_warning_threshold/#compaction_tombstone_warning_threshold/g'
> /etc/cassandra/conf/cassandra.yaml
> sed -i
> 's/compaction_large_partition_warning_threshold/#compaction_large_partition_warning_threshold/g'
> /etc/cassandra/conf/cassandra.yaml
> sed -i
> 's/scripted_user_defined_functions_enabled/#scripted_user_defined_functions_enabled/g'
> /etc/cassandra/conf/cassandra.yaml
> 9. Start cassandra service
> sudo systemctl daemon-reload && systemctl start cassandra
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