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https://issues.apache.org/jira/browse/RATIS-107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16167159#comment-16167159
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Jing Zhao commented on RATIS-107:
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I think one state machine managing all the storage containers can be the case
for ozone, but not a general case. For example, if we want to use multiple raft
groups to replicate different shards for a database, we can have multiple state
machines there. In that case, {{reinitialize}} as a RPC cannot access/include
all the information we want, and we should not trigger the new raft group
creation from the raft protocol level.
I will finish a partial patch these days which converts the reinitialize to a
local API.
> Restrict reinitialize to be from/to an empty group
> --------------------------------------------------
>
> Key: RATIS-107
> URL: https://issues.apache.org/jira/browse/RATIS-107
> Project: Ratis
> Issue Type: Bug
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Attachments: r107_20170816.patch, r107_20170822.patch,
> r107_20170909.patch
>
>
> In order to avoid servers being accidentally reinitialized incorrectly, we
> propose that reinitialize must be applied from an empty group to a non-empty
> group, or from a non-empty group to an empty group.
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