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new ba07965580d docs: clean up some rolling updates stuff (#15762)
ba07965580d is described below
commit ba07965580d6b681b718e1781436a84e45398e4d
Author: 317brian <[email protected]>
AuthorDate: Fri Jan 26 14:10:53 2024 -0800
docs: clean up some rolling updates stuff (#15762)
---
docs/operations/rolling-updates.md | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/docs/operations/rolling-updates.md
b/docs/operations/rolling-updates.md
index 521d06d62ef..b9471bc6b8e 100644
--- a/docs/operations/rolling-updates.md
+++ b/docs/operations/rolling-updates.md
@@ -27,15 +27,15 @@ For rolling Apache Druid cluster updates with no downtime,
we recommend updating
following order:
1. Historical
-2. \*Overlord (if any)
-3. \*Middle Manager/Indexers (if any)
-4. Standalone Real-time (if any)
-5. Broker
+2. Middle Manager and Indexer (if any)
+3. Broker
+4. Router
+5. Overlord (Note that you can upgrade the Overlord before any MiddleManager
processes if you use [autoscaling-based
replacement](#autoscaling-based-replacement).)
6. Coordinator ( or merged Coordinator+Overlord )
-For information about the latest release, see [Druid
releases](https://github.com/apache/druid/releases).
+If you need to do a rolling downgrade, reverse the order and start with the
Coordinator processes.
-\* In 0.12.0, there are protocol changes between the Kafka supervisor and
Kafka Indexing task and also some changes to the metadata formats persisted on
disk. Therefore, to support rolling upgrade, all the Middle Managers will need
to be upgraded first before the Overlord. Note that this ordering is different
from the standard order of upgrade, also note that this ordering is only
necessary when using the Kafka Indexing Service. If one is not using Kafka
Indexing Service or can handle do [...]
+For information about the latest release, see [Druid
releases](https://github.com/apache/druid/releases).
## Historical
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