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https://issues.apache.org/jira/browse/CASSANDRA-6477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14616644#comment-14616644
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Christopher Batey commented on CASSANDRA-6477:
----------------------------------------------
I got a lot of these in my log when playing with the branch, however the views
I created worked fine.
{quote}
WARN [CompactionExecutor:111] 2015-07-07 10:57:09,023
MaterializedViewBuilder.java:189 - Materialized View failed to complete,
sleeping 5 minutes before restarting
org.apache.cassandra.exceptions.InvalidRequestException: Missing mandatory
PRIMARY KEY part host_id
at
org.apache.cassandra.cql3.statements.RequestValidations.invalidRequest(RequestValidations.java:199)
~[main/:na]
at
org.apache.cassandra.cql3.statements.RequestValidations.checkTrue(RequestValidations.java:63)
~[main/:na]
at
org.apache.cassandra.cql3.statements.RequestValidations.checkNotNull(RequestValidations.java:140)
~[main/:na]
at
org.apache.cassandra.cql3.statements.ModificationStatement.buildPartitionKeyNames(ModificationStatement.java:395)
~[main/:na]
at
org.apache.cassandra.cql3.statements.ModificationStatement.getMutations(ModificationStatement.java:752)
~[main/:na]
at
org.apache.cassandra.cql3.statements.ModificationStatement.executeInternal(ModificationStatement.java:727)
~[main/:na]
at
org.apache.cassandra.cql3.QueryProcessor.executeInternal(QueryProcessor.java:293)
~[main/:na]
at
org.apache.cassandra.db.SystemKeyspace.setMaterializedViewBuilt(SystemKeyspace.java:453)
~[main/:na]
at
org.apache.cassandra.db.SystemKeyspace.finishMaterializedViewBuildStatus(SystemKeyspace.java:472)
~[main/:na]
at
org.apache.cassandra.db.view.MaterializedViewBuilder.run(MaterializedViewBuilder.java:174)
~[main/:na]
at
org.apache.cassandra.db.compaction.CompactionManager$13.run(CompactionManager.java:1364)
[main/:na]
{quote}
> Materialized Views (was: Global Indexes)
> ----------------------------------------
>
> Key: CASSANDRA-6477
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6477
> Project: Cassandra
> Issue Type: New Feature
> Components: API, Core
> Reporter: Jonathan Ellis
> Assignee: Carl Yeksigian
> Labels: cql
> Fix For: 3.0 beta 1
>
> Attachments: test-view-data.sh
>
>
> Local indexes are suitable for low-cardinality data, where spreading the
> index across the cluster is a Good Thing. However, for high-cardinality
> data, local indexes require querying most nodes in the cluster even if only a
> handful of rows is returned.
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