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Posted to commits@cassandra.apache.org by "Benedict Elliott Smith (Jira)" <ji...@apache.org> on 2021/10/30 12:21:00 UTC
[jira] [Comment Edited] (CASSANDRA-17100) CEP-15: (C*) Unique
Per-Node Id
[ https://issues.apache.org/jira/browse/CASSANDRA-17100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17436302#comment-17436302 ]
Benedict Elliott Smith edited comment on CASSANDRA-17100 at 10/30/21, 12:20 PM:
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I suppose we have an alternative option of correctly implementing the spec and using MAC address for this purpose, and simply crashing the process on startup if the MAC address conflicts with another node that's a member of the cluster.
was (Author: benedict):
I suppose we have an alternative option of correctly implementing the spec and using MAC address for this purpose, and simply crashing the process on startup if the MAC address conflicts with another node that's a member of the network.
> CEP-15: (C*) Unique Per-Node Id
> -------------------------------
>
> Key: CASSANDRA-17100
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17100
> Project: Cassandra
> Issue Type: Sub-task
> Components: Accord
> Reporter: Benedict Elliott Smith
> Priority: Normal
>
> Negotiate a unique and persistent id for each node on joining the cluster that is sufficiently compact to use for the node part of a v2, v6 or v8 (Time)UUID, i.e. it should be at most 48 bits in length. In practice we should be able to target 7, 14 or 21 bits in length depending on cluster size, permitting more efficient vint encoding over the network and on disk.
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