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https://issues.apache.org/jira/browse/CASSANDRA-3533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis reassigned CASSANDRA-3533:
-----------------------------------------
Assignee: Brandon Williams (was: Vijay)
> TimeoutException when there is a firewall issue.
> ------------------------------------------------
>
> Key: CASSANDRA-3533
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3533
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Vijay
> Assignee: Brandon Williams
> Priority: Minor
> Fix For: 1.1.3
>
>
> When one node in the cluster is not able to talk to the other DC/RAC due to
> firewall or network related issue (StorageProxy calls fail), and the nodes
> are NOT marked down because at least one node in the cluster can talk to the
> other DC/RAC, we get timeoutException instead of throwing a
> unavailableException.
> The problem with this:
> 1) It is hard to monitor/identify these errors.
> 2) It is hard to diffrentiate from the client if the node being bad vs a bad
> query.
> 3) when this issue happens we have to wait for at-least the RPC timeout time
> to know that the query wont succeed.
> Possible Solution: when marking a node down we might want to check if the
> node is actually alive by trying to communicate to it? So we can be sure that
> the node is actually alive.
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