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https://issues.apache.org/jira/browse/CASSANDRA-2388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13057467#comment-13057467
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Jonathan Ellis commented on CASSANDRA-2388:
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bq. a blacklisted TT does't automatically come back
tlipcon says it comes back after 24h, fwiw. In any case it's still the case
that we DO want to blacklist it while it's down. (Brisk could perhaps add a
"clear my tasktracker on restart" operation as a further enhancement.)
bq. I'm fine with dropping support for non-colocated TTs
+1, it was a bad idea and I'm sorry I wrote it. :)
> ColumnFamilyRecordReader fails for a given split because a host is down, even
> if records could reasonably be read from other replica.
> -------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-2388
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2388
> Project: Cassandra
> Issue Type: Bug
> Components: Hadoop
> Affects Versions: 0.7.6, 0.8.0
> Reporter: Eldon Stegall
> Assignee: Jeremy Hanna
> Labels: hadoop, inputformat
> Fix For: 0.7.7, 0.8.2
>
> Attachments: 0002_On_TException_try_next_split.patch,
> CASSANDRA-2388-addition1.patch, CASSANDRA-2388.patch, CASSANDRA-2388.patch,
> CASSANDRA-2388.patch
>
>
> ColumnFamilyRecordReader only tries the first location for a given split. We
> should try multiple locations for a given split.
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