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https://issues.apache.org/jira/browse/CASSANDRA-3931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13212627#comment-13212627
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Brandon Williams commented on CASSANDRA-3931:
---------------------------------------------
Hmm, does hinted handoff work in this state? I ask because we've had this
problem before and addressed it there:
{code}
waited = 0;
// then wait for the correct schema version.
// usually we use DD.getDefsVersion, which checks the local schema uuid
as stored in the system table.
// here we check the one in gossip instead; this serves as a canary to
warn us if we introduce a bug that
// causes the two to diverge (see CASSANDRA-2946)
{code}
> gossipers notion of schema differs from reality as reported by the nodes in
> question
> ------------------------------------------------------------------------------------
>
> Key: CASSANDRA-3931
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3931
> Project: Cassandra
> Issue Type: Bug
> Reporter: Peter Schuller
> Assignee: Peter Schuller
> Fix For: 1.1.0
>
>
> On a 1.1 cluster we happened to notice that {{nodetool gossipinfo | grep
> SCHEMA}} reported disagreement:
> {code}
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:b0d7bab7-c13c-37d9-9adb-8ab8a5b7215d
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:bcdbd318-82df-3518-89e3-6b72227b3f66
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:bcdbd318-82df-3518-89e3-6b72227b3f66
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
> {code}
> However, the result of a thrift {{describe_ring}} on the cluster claims they
> all agree and that {{b0d7bab7-c13c-37d9-9adb-8ab8a5b7215d}} is the schema
> they have.
> The schemas seem to "actually" propagate; e.g. dropping a keyspace actually
> drops the keyspace.
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