[jira] [Commented] (CASSANDRA-2705) schema-sample.txt: Comment explaining Quorum to counter beginner's mistake

["Timo Nentwig (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-2705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13052006#comment-13052006 ] 

Timo Nentwig commented on CASSANDRA-2705:
-----------------------------------------

A LOG.warn() may also make sense.

> schema-sample.txt: Comment explaining Quorum to counter beginner's mistake
> --------------------------------------------------------------------------
>
>                 Key: CASSANDRA-2705
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2705
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Timo Nentwig
>
> After stumbling upon this pitfall *twice* (yeah, it's okay to call me stupid, but I'm your customer anyways :) I suggest a simple comment in the Keyspace1 example like this:
> replication_factor defines the total number of nodes holding the data.
> quorum with a RF < 3 provides no fault tolerance, because with a RF=2
> data is written to 2 nodes in total (if one fails, only one remaining
> can be checked while 2 are actually required to meet quorum).

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