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Posted to commits@cassandra.apache.org by "Jonathan Ellis (Updated) (JIRA)" <ji...@apache.org> on 2011/10/01 07:56:45 UTC
[jira] [Updated] (CASSANDRA-3176) Disabling hinted handoff
counterintuitively continues to log handoff messages
[ https://issues.apache.org/jira/browse/CASSANDRA-3176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-3176:
--------------------------------------
Attachment: 3176.txt
This isn't the first time the continued handoff messages post-disable have confused someone. Patch to avoid these is attached.
> Disabling hinted handoff counterintuitively continues to log handoff messages
> -----------------------------------------------------------------------------
>
> Key: CASSANDRA-3176
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3176
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Jeremy Hanna
> Assignee: Jonathan Ellis
> Priority: Minor
> Labels: HintedHandoff
> Fix For: 1.0.0
>
> Attachments: 3176.txt
>
>
> In order to test a theory, we tried to disable hinted handoff on our cluster. We updated all of the yaml files and then restarted all the nodes in our cluster. However we continue to get messages such as this in the logs after restarting:
> {quote}
> INFO [HintedHandoff:1] 2011-09-10 22:41:40,813 HintedHandOffManager.java (line 323) Started hinted handoff for endpoint /10.1.2.3
> INFO [HintedHandoff:1] 2011-09-10 22:41:40,813 HintedHandOffManager.java (line 379) Finished hinted handoff of 0 rows to endpoint /10.1.2.3
> INFO [HintedHandoff:1] 2011-09-10 22:41:45,025 HintedHandOffManager.java (line 323) Started hinted handoff for endpoint /10.2.3.4
> INFO [HintedHandoff:1] 2011-09-10 22:41:45,026 HintedHandOffManager.java (line 379) Finished hinted handoff of 0 rows to endpoint /10.2.3.4
> INFO [HintedHandoff:1] 2011-09-10 22:42:10,017 HintedHandOffManager.java (line 323) Started hinted handoff for endpoint /10.3.4.5
> INFO [HintedHandoff:1] 2011-09-10 22:42:10,017 HintedHandOffManager.java (line 379) Finished hinted handoff of 0 rows to endpoint /10.3.4.5
> {quote}
> Also looking at the System.HintsColumnFamily in jmx there is activity there such as pending tasks that come and go.
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