record token/endpoint (ip) pairs in system table
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Key: CASSANDRA-437
URL: https://issues.apache.org/jira/browse/CASSANDRA-437
Project: Cassandra
Issue Type: Improvement
Reporter: Jonathan Ellis
Fix For: 0.5
Each node records its own token after generating one or reading it from the
config file. For more redundancy we should record others' tokens too.
This should not be regarded as canonical information -- do not use it to take
shortcuts instead of using gossip. It is only to provide redundancy in case of
failure.
For instance, if your cluster loses power and when it comes back up, the disk
w/ token information on one of your machines is dead, this will let you get
that token information easily from another node instead of having to guess by
scanning sstables. This is not a theoretical scenario; something of this
nature did happen to FB.
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