Maniphest T418419

Upgrade Cassandra clusters to 5.0.x
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	Eevans
	Feb 25 2026, 9:47 PM

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Description

Cassandra 5 has been out for a minute, and reports are favorable. Additionally, it may make sense to make the jump in order to support Java 17 (T418010), which in turn is needed to support a migration to Bookworm (T357791).

Create cassandra5x apt component
Import Cassandra 5.0.8
Merge configuration changes

Post-upgrade:

Configure storage_compatability_mode: UPGRADING
Perform rolling restart
Configure storage_compatability_mode: NONE
Perform rolling restart

See also: T418417: Upgrade Cassandra clusters to 4.1.11

Details

Related Changes in Gerrit:

	Subject	Author	Repo	Branch	Lines +/-
	cassandra-dev2001: upgrade to Cassandra 5.0.8	Eevans	operations/puppet	production	+35 -0
	cassandra: introduce Cassandra 5.0.x configuration	Eevans	operations/puppet	production	+3 K -25
	Add component/cassandra50 for Cassandra 5.0.x releases	Eevans	operations/puppet	production	+1 -0

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Related Objects
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		Status	Subtype	Assigned	Task
		Open		None	T357791 Cassandra upgrades to Debian Bookworm
		Open		None	T418010 Upgrade Cassandra clusters to Java 17
		Open		Eevans	T418419 Upgrade Cassandra clusters to 5.0.x
		Open		Eevans	T432290 Cassandra 5.0.x post-upgrade follow ups
		Resolved		Eevans	T432780 Upgrade cassandra-dev cluster to Cassandra 5.0.8 & Java 17
		Open		Eevans	T433026 Upgrade aqs cluster to Cassandra 5.0.8 & JDK 17
		Open		Eevans	T433028 Upgrade restbase cluster to Cassandra 5.0.8
		Open		Eevans	T433255 Retool 'dev' target version for Cassandra 5.0.8

Event Timeline

Eevans created this task.Feb 25 2026, 9:47 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptFeb 25 2026, 9:47 PM

Eevans moved this task from Backlog to Next on the User-Eevans board.Feb 25 2026, 9:47 PM

Eevans added a parent task: T418010: Upgrade Cassandra clusters to Java 17.Mar 27 2026, 6:45 PM

Eevans triaged this task as Medium priority.Apr 7 2026, 1:38 PM

Eevans updated the task description. (Show Details)

Eevans renamed this task from Upgrade Cassandra clusters to 5.0.6 to Upgrade Cassandra clusters to 5.0.x.Apr 8 2026, 9:51 PM

Change #1287923 had a related patch set uploaded (by Eevans; author: Eevans):

[operations/puppet@production] Add component/cassandra50 for Cassandra 5.0.x releases

https://gerrit.wikimedia.org/r/1287923

gerritbot added a project: Patch-For-Review.May 15 2026, 5:44 PM

Eevans moved this task from Next to In-Progress on the User-Eevans board.May 15 2026, 5:46 PM

Change #1287923 merged by Eevans:

[operations/puppet@production] Add component/cassandra50 for Cassandra 5.0.x releases

https://gerrit.wikimedia.org/r/1287923

Eevans claimed this task.Jun 1 2026, 9:43 PM

Eevans updated the task description. (Show Details)

Maintenance_bot removed a project: Patch-For-Review.Jun 1 2026, 10:31 PM

Eevans updated the task description. (Show Details)Wed, Jul 15, 7:42 PM

Eevans updated the task description. (Show Details)

Eevans created subtask T432290: Cassandra 5.0.x post-upgrade follow ups.Wed, Jul 15, 7:55 PM

Change #1311545 had a related patch set uploaded (by Eevans; author: Eevans):

[operations/puppet@production] cassandra: introduce Cassandra 5.0.x configuration

https://gerrit.wikimedia.org/r/1311545

gerritbot added a project: Patch-For-Review.Thu, Jul 16, 9:16 PM

Change #1311548 had a related patch set uploaded (by Eevans; author: Eevans):

[operations/puppet@production] cassandra-dev2001: upgrade to Cassandra 5.0.8

https://gerrit.wikimedia.org/r/1311548

Change #1311545 merged by Eevans:

[operations/puppet@production] cassandra: introduce Cassandra 5.0.x configuration

https://gerrit.wikimedia.org/r/1311545

Change #1311548 merged by Eevans:

[operations/puppet@production] cassandra-dev2001: upgrade to Cassandra 5.0.8

https://gerrit.wikimedia.org/r/1311548

Maintenance_bot removed a project: Patch-For-Review.Tue, Jul 21, 7:31 PM

Eevans updated the task description. (Show Details)Tue, Jul 21, 7:50 PM

Eevans created subtask T432780: Upgrade cassandra-dev cluster to Cassandra 5.0.8 & Java 17.Tue, Jul 21, 7:55 PM

Eevans closed subtask T432780: Upgrade cassandra-dev cluster to Cassandra 5.0.8 & Java 17 as Resolved.Thu, Jul 23, 11:03 PM

Eevans updated the task description. (Show Details)Thu, Jul 23, 11:05 PM

Eevans created subtask T433026: Upgrade aqs cluster to Cassandra 5.0.8 & JDK 17.Thu, Jul 23, 11:14 PM

Eevans created subtask T433028: Upgrade restbase cluster to Cassandra 5.0.8.Thu, Jul 23, 11:23 PM

Eevans created subtask T433255: Retool 'dev' target version for Cassandra 5.0.8.Mon, Jul 27, 2:12 PM