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https://issues.apache.org/jira/browse/CASSANDRA-1391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13089181#comment-13089181
]
Hudson commented on CASSANDRA-1391:
-----------------------------------
Integrated in Cassandra #1043 (See
[https://builds.apache.org/job/Cassandra/1043/])
Refactoring of the DatabaseDescriptor/CFMetadata/Table to support
o.a.c.config.Schema which will be handling all schema quering/mutations
patch by Pavel Yaskevich; reviewed by Jonathan Ellis for CASSANDRA-1391
xedin : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1160494
Files :
* /cassandra/trunk/src/java/org/apache/cassandra/cql/DropIndexStatement.java
*
/cassandra/trunk/test/unit/org/apache/cassandra/db/migration/SerializationsTest.java
*
/cassandra/trunk/test/long/org/apache/cassandra/db/compaction/LongCompactionSpeedTest.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/Table.java
*
/cassandra/trunk/src/java/org/apache/cassandra/db/migration/UpdateColumnFamily.java
* /cassandra/trunk/src/java/org/apache/cassandra/cql/UpdateStatement.java
* /cassandra/trunk/test/unit/org/apache/cassandra/db/SerializationsTest.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/commitlog/CommitLog.java
*
/cassandra/trunk/src/java/org/apache/cassandra/db/compaction/CompactionManager.java
* /cassandra/trunk/src/java/org/apache/cassandra/io/sstable/SSTableWriter.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/ColumnFamilyStore.java
* /cassandra/trunk/src/java/org/apache/cassandra/service/StorageService.java
* /cassandra/trunk/src/java/org/apache/cassandra/cache/AutoSavingCache.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/ColumnFamily.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/RowMutation.java
*
/cassandra/trunk/test/unit/org/apache/cassandra/thrift/ThriftValidationTest.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/migration/DropKeyspace.java
* /cassandra/trunk/src/java/org/apache/cassandra/thrift/ThriftValidation.java
* /cassandra/trunk/src/java/org/apache/cassandra/cql/AlterTableStatement.java
* /cassandra/trunk/src/java/org/apache/cassandra/dht/BootStrapper.java
*
/cassandra/trunk/test/unit/org/apache/cassandra/service/ConsistencyLevelTest.java
* /cassandra/trunk/src/java/org/apache/cassandra/tools/SSTableImport.java
* /cassandra/trunk/test/unit/org/apache/cassandra/db/DefsTest.java
*
/cassandra/trunk/test/unit/org/apache/cassandra/service/AntiEntropyServiceTestAbstract.java
* /cassandra/trunk/test/unit/org/apache/cassandra/SchemaLoader.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/ColumnFamilySerializer.java
*
/cassandra/trunk/src/java/org/apache/cassandra/db/migration/DropColumnFamily.java
*
/cassandra/trunk/test/unit/org/apache/cassandra/locator/SimpleStrategyTest.java
*
/cassandra/trunk/src/java/org/apache/cassandra/db/commitlog/CommitLogSegment.java
* /cassandra/trunk/src/java/org/apache/cassandra/config/DatabaseDescriptor.java
*
/cassandra/trunk/src/java/org/apache/cassandra/db/migration/RenameKeyspace.java
*
/cassandra/trunk/src/java/org/apache/cassandra/dht/OrderPreservingPartitioner.java
*
/cassandra/trunk/test/unit/org/apache/cassandra/config/DatabaseDescriptorTest.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/SchemaCheckVerbHandler.java
*
/cassandra/trunk/test/unit/org/apache/cassandra/service/LeaveAndBootstrapTest.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/migration/Migration.java
* /cassandra/trunk/src/java/org/apache/cassandra/cql/DeleteStatement.java
*
/cassandra/trunk/src/java/org/apache/cassandra/db/DefinitionsUpdateVerbHandler.java
* /cassandra/trunk/src/java/org/apache/cassandra/cql/QueryProcessor.java
* /cassandra/trunk/src/java/org/apache/cassandra/service/MigrationManager.java
*
/cassandra/trunk/src/java/org/apache/cassandra/service/AbstractCassandraDaemon.java
* /cassandra/trunk/src/java/org/apache/cassandra/tools/SSTableExport.java
* /cassandra/trunk/src/java/org/apache/cassandra/config/Schema.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/migration/AddKeyspace.java
* /cassandra/trunk/src/java/org/apache/cassandra/thrift/CassandraServer.java
* /cassandra/trunk/src/java/org/apache/cassandra/service/ReadCallback.java
*
/cassandra/trunk/src/java/org/apache/cassandra/dht/AbstractByteOrderedPartitioner.java
*
/cassandra/trunk/src/java/org/apache/cassandra/db/migration/RenameColumnFamily.java
* /cassandra/trunk/test/unit/org/apache/cassandra/dht/BootStrapperTest.java
* /cassandra/trunk/test/unit/org/apache/cassandra/service/MoveTest.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/DefsTable.java
* /cassandra/trunk/src/java/org/apache/cassandra/service/StorageProxy.java
* /cassandra/trunk/src/java/org/apache/cassandra/cql/SelectStatement.java
*
/cassandra/trunk/src/java/org/apache/cassandra/db/migration/UpdateKeyspace.java
*
/cassandra/trunk/src/java/org/apache/cassandra/db/migration/AddColumnFamily.java
* /cassandra/trunk/src/java/org/apache/cassandra/io/sstable/SSTableReader.java
* /cassandra/trunk/src/java/org/apache/cassandra/config/CFMetaData.java
> Allow Concurrent Schema Migrations
> ----------------------------------
>
> Key: CASSANDRA-1391
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1391
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Stu Hood
> Assignee: Pavel Yaskevich
> Fix For: 1.0
>
> Attachments:
> 0001-CASSANDRA-1391-refactoring-of-the-DatabaseDescriptor.patch
>
>
> CASSANDRA-1292 fixed multiple migrations started from the same node to
> properly queue themselves, but it is still possible for migrations initiated
> on different nodes to conflict and leave the cluster in a bad state. Since
> the system_add/drop/rename methods are accessible directly from the client
> API, they should be completely safe for concurrent use.
> It should be possible to allow for most types of concurrent migrations by
> converting the UUID schema ID into a VersionVectorClock (as provided by
> CASSANDRA-580).
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