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https://issues.apache.org/jira/browse/CASSANDRA-982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis updated CASSANDRA-982:
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Attachment: 0003-rename-QuorumResponseHandler-ReadCallback.txt
0002-implement-read-repair-as-a-second-resolve-after-the-in.txt
0001-r-m-SP.weakRead-rename-strongRead-to-fetchRows.-read-r.txt
> read repair on quorum consistencylevel
> --------------------------------------
>
> Key: CASSANDRA-982
> URL: https://issues.apache.org/jira/browse/CASSANDRA-982
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.7.1
>
> Attachments:
> 0001-better-digest-checking-for-ReadResponseResolver.patch,
> 0001-r-m-SP.weakRead-rename-strongRead-to-fetchRows.-read-r.txt,
> 0001-r-m-SP.weakRead-rename-strongRead-to-fetchRows.-read-r.txt,
> 0002-implement-read-repair-as-a-second-resolve-after-the-in.txt,
> 0002-implement-read-repair-as-a-second-resolve-after-the-in.txt,
> 0002-quorum-only-read.txt,
> 0003-rename-QuorumResponseHandler-ReadCallback.txt,
> 0003-rename-QuorumResponseHandler-ReadCallback.txt, 982-resolve-digests-v2.txt
>
> Original Estimate: 6h
> Remaining Estimate: 6h
>
> CASSANDRA-930 made read repair "fuzzy optional," but this only helps with
> ConsistencyLevel.ONE:
> - Quorum reads always send requests to all nodes
> - only the first Quorum's worth of responses get compared
> So what we'd like to do two changes:
> - only send read requests to the closest R live nodes
> - if read repair is enabled, also compare results from the other nodes in the
> background
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