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Extra warning about rolling upgrades and sharding added (#23000)

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* Extra warning about rolling upgrades and sharding added

* More clear
This commit is contained in:
Johan Andrén 2017-05-23 15:47:05 +02:00 • committed by Patrik Nordwall
parent 5c92071441
commit 7f12bd9f4e
2 changed files with 21 additions and 1 deletions
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10
akka-docs/src/main/paradox/java/cluster-sharding.md
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@ -423,3 +423,13 @@ of entities that are alive in each shard.
The purpose of these messages is testing and monitoring, they are not provided to give access to
directly sending messages to the individual entities.
## Rolling upgrades
When doing rolling upgrades special care must be taken to not change any of the following aspects of sharding:
* the `extractShardId` function
* the role that the shard regions run on
* the persistence mode
If any one of these needs a change it will require a full cluster restart.

10
akka-docs/src/main/paradox/scala/cluster-sharding.md
View file

@ -425,3 +425,13 @@ of entities that are alive in each shard.
The purpose of these messages is testing and monitoring, they are not provided to give access to
directly sending messages to the individual entities.
## Rolling upgrades
When doing rolling upgrades special care must be taken to not change any of the following aspects of sharding:
* the `extractShardId` function
* the role that the shard regions run on
* the persistence mode
If any one of these needs a change it will require a full cluster restart.