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https://issues.apache.org/jira/browse/CASSANDRA-12685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15512544#comment-15512544
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Stefan Podkowinski commented on CASSANDRA-12685:
------------------------------------------------

The provided logs seems to be based on 2.x, as hint dispatching has been 
changed in 3.0 as part of CASSANDRA-6230. Retry semantics have been implemented 
as well and should have handled the situation you described.

> Add retry to hints dispatcher
> -----------------------------
>
>                 Key: CASSANDRA-12685
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12685
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Dikang Gu
>            Assignee: Dikang Gu
>            Priority: Minor
>             Fix For: 3.x
>
>
> Problem: I often see timeout in hints replay, I find there is no retry for 
> hints replay, I think it would be great to add some retry logic for timeout 
> exception.
> {code}
> 2016-09-20_07:32:01.16610 INFO  07:32:01 [HintedHandoff:3]: Started hinted 
> handoff for host: 859af100-5d45-42bd-92f5-2bc78822158b with IP: 
> /2401:db00:12:30d7:face:0:39:0
> 2016-09-20_07:58:49.29983 INFO  07:58:49 [HintedHandoff:3]: Timed out 
> replaying hints to /2401:db00:12:30d7:face:0:39:0; aborting (55040 delivered)
> 2016-09-20_07:58:49.29984 INFO  07:58:49 [HintedHandoff:3]: Enqueuing flush 
> of hints: 15962349 (0%) on-heap, 2049808 (0%) off-heap
> 2016-09-20_08:02:17.55072 INFO  08:02:17 [HintedHandoff:1]: Started hinted 
> handoff for host: 859af100-5d45-42bd-92f5-2bc78822158b with IP: 
> /2401:db00:12:30d7:face:0:39:0
> 2016-09-20_08:05:45.25723 INFO  08:05:45 [HintedHandoff:1]: Timed out 
> replaying hints to /2401:db00:12:30d7:face:0:39:0; aborting (7936 delivered)
> 2016-09-20_08:05:45.25725 INFO  08:05:45 [HintedHandoff:1]: Enqueuing flush 
> of hints: 2301605 (0%) on-heap, 259744 (0%) off-heap
> 2016-09-20_08:12:19.92910 INFO  08:12:19 [HintedHandoff:2]: Started hinted 
> handoff for host: 859af100-5d45-42bd-92f5-2bc78822158b with IP: 
> /2401:db00:12:30d7:face:0:39:0
> 2016-09-20_08:51:44.72191 INFO  08:51:44 [HintedHandoff:2]: Timed out 
> replaying hints to /2401:db00:12:30d7:face:0:39:0; aborting (83456 delivered)
> {code}



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