mirror of https://github.com/apache/cassandra
clean up comments in cassandra.yaml and update CHANGES
git-svn-id: https://svn.apache.org/repos/asf/cassandra/trunk@937592 13f79535-47bb-0310-9956-ffa450edef68
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Jonathan Ellis
parent
71c51f11dd
commit
0724fe2f07
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@ -17,6 +17,7 @@ dev
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(CASSANDRA-744)
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* re-organized endpointsnitch implementations and added SimpleSnitch
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(CASSANDRA-994)
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* Added preload_row_cache option (CASSANDRA-946)
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0.6.1
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@ -1,18 +1,21 @@
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# Cassandra storage config YAML
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# See http://wiki.apache.org/cassandra/StorageConfiguration for explanations of configuration directives.
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# Cassandra storage config YAML
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# See http://wiki.apache.org/cassandra/StorageConfiguration for
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# explanations of configuration directives.
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# name of the cluster
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cluster_name: 'Test Cluster'
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# Set to true to make new [non-seed] nodes automatically migrate the right data to themselves.
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# Set to true to make new [non-seed] nodes automatically migrate the
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# right data to themselves.
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auto_bootstrap: false
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# authentication backend, implementing IAuthenticator; used to limit keyspace access
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authenticator: org.apache.cassandra.auth.AllowAllAuthenticator
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# any IPartitioner may be used, including your own as long as it is on the classpath.
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# Out of the box, Cassandra provides org.apache.cassandra.dht.RandomPartitioner
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# org.apache.cassandra.dht.OrderPreservingPartitioner, and
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# any IPartitioner may be used, including your own as long as it is on
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# the classpath. Out of the box, Cassandra provides
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# org.apache.cassandra.dht.RandomPartitioner
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# org.apache.cassandra.dht.OrderPreservingPartitioner, and
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# org.apache.cassandra.dht.CollatingOrderPreservingPartitioner.
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partitioner: org.apache.cassandra.dht.RandomPartitioner
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@ -21,8 +24,9 @@ data_file_directories:
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- /var/lib/cassandra/data
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# Addresses of hosts that are deemed contact points.
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# Cassandra nodes use this list of hosts to find each other and learn the topology of the ring.
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# You must change this if you are running multiple nodes!
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# Cassandra nodes use this list of hosts to find each other and learn
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# the topology of the ring. You must change this if you are running
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# multiple nodes!
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seeds:
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- 127.0.0.1
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@ -51,7 +55,8 @@ sliced_buffer_size_in_kb: 64
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# TCP port, for commands and data
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storage_port: 7000
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# Address to bind to and tell other nodes to connect to. You _must_ change this if you want multiple nodes to be able to communicate!
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# Address to bind to and tell other nodes to connect to. You _must_
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# change this if you want multiple nodes to be able to communicate!
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listen_address: localhost
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# The address to bind the Thrift RPC service to
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@ -62,7 +67,8 @@ rpc_port: 9160
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thrift_framed_transport: false
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snapshot_before_compaction: false
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# The threshold size in megabytes the binary memtable must grow to, before it's submitted for flushing to disk.
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# The threshold size in megabytes the binary memtable must grow to,
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# before it's submitted for flushing to disk.
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binary_memtable_throughput_in_mb: 256
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# Number of minutes to keep a memtable in memory
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memtable_flush_after_mins: 60
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@ -72,7 +78,8 @@ memtable_throughput_in_mb: 64
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memtable_operations_in_millions: 0.3
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# Buffer size to use when flushing !memtables to disk.
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flush_data_buffer_size_in_mb: 32
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# Increase (decrease) the index buffer size relative to the data buffer if you have few (many) columns per key.
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# Increase (decrease) the index buffer size relative to the data
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# buffer if you have few (many) columns per key.
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flush_index_buffer_size_in_mb: 8
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column_index_size_in_kb: 64
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@ -85,12 +92,15 @@ commitlog_directory: /var/lib/cassandra/commitlog
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commitlog_rotation_threshold_in_mb: 128
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# commitlog_sync may be either "periodic" or "batch."
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# When in batch mode, Cassandra won't ack writes until the commit log has been fsynced to disk.
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# It will wait up to CommitLogSyncBatchWindowInMS milliseconds for other writes, before performing the sync.
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# When in batch mode, Cassandra won't ack writes until the commit log
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# has been fsynced to disk. It will wait up to
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# CommitLogSyncBatchWindowInMS milliseconds for other writes, before
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# performing the sync.
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commitlog_sync: periodic
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# the other option is "timed," where writes may be acked immediately and the CommitLog
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# is simply synced every commitlog_sync_period_in_ms milliseconds.
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# the other option is "timed," where writes may be acked immediately
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# and the CommitLog is simply synced every commitlog_sync_period_in_ms
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# milliseconds.
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commitlog_sync_period_in_ms: 1000
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# Time to wait for a reply from other nodes before failing the command
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@ -109,49 +119,50 @@ gc_grace_seconds: 864000
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endpoint_snitch: org.apache.cassandra.locator.SimpleSnitch
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# A ColumnFamily is the Cassandra concept closest to a relational table.
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# Keyspaces are separate groups of ColumnFamilies.
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# Except in very unusual circumstances you will have one Keyspace per application.
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#
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# keyspace required parameters: name, replica_replacement_strategy, and replication_factor
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# Keyspaces are separate groups of ColumnFamilies. Except in very
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# unusual circumstances you will have one Keyspace per application.
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#
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# name -- name of the keyspace; "system" and "definitions" are reserved for Cassandra Internals.
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# Keyspace required parameters:
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# - name: name of the keyspace; "system" and "definitions" are
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# reserved for Cassandra Internals.
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# - replica_placement_strategy: the class that determines how replicas
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# are distributed among nodes. Must implement IReplicaPlacementStrategy.
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# Out of the box, Cassandra provides
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# org.apache.cassandra.locator.RackUnawareStrategy and
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# org.apache.cassandra.locator.RackAwareStrategy. RackAwareStrategy
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# place one replica in each of two datacenter, and other replicas in
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# different racks in one.
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# - replication_factor: Number of replicas of each row
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# - column_families: column families associated with this keyspace
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#
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# replica_placement_strategy -- Strategy: Setting this to the class that implements
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# IReplicaPlacementStrategy will change the way the node picker works.
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# Out of the box, Cassandra provides
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# org.apache.cassandra.locator.RackUnawareStrategy and
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# org.apache.cassandra.locator.RackAwareStrategy (place one replica in
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# a different datacenter, and the others on different racks in the same one.)
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# ColumnFamily required parameters:
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# - name: name of the ColumnFamily. Must not contain the character "-".
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# - compare_with: tells Cassandra how to sort the columns for slicing
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# operations. The default is BytesType, which is a straightforward
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# lexical comparison of the bytes in each column. Other options are
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# AsciiType, UTF8Type, LexicalUUIDType, TimeUUIDType, and LongType.
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# You can also specify the fully-qualified class name to a class of
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# your choice extending org.apache.cassandra.db.marshal.AbstractType.
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#
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#
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# replication_factor -- Number of replicas of the data
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#
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# column_families -- column families associated with this keyspace
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#
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# compare_with -- tells Cassandra how to sort the columns for slicing operations. The default is BytesType,
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# which is a straightforward lexical comparison of the bytes in each column.
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# Other options are AsciiType, UTF8Type, LexicalUUIDType, TimeUUIDType, and LongType.
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# You can also specify the fully-qualified class name to a class of your choice extending org.apache.cassandra.db.marshal.AbstractType.
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#
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#
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# keys_cached -- optional. defaults to 200000 keys.
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# specifies the number of keys per sstable whose locations we keep in
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# memory in "mostly LRU" order. (JUST the key locations, NOT any
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# column values.) Specify a fraction (value less than 1) or an absolute number of keys to cache.
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#
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# rows_cached -- optional. defaults to 0. (i.e. row caching is off by default)
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# specifies the number of rows whose entire contents we cache in memory. Do not use this on
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# ColumnFamilies with large rows, or ColumnFamilies with high write:read
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# ratios. Specify a fraction (value less than 1) or an absolute number of rows to cache.
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#
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#
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# comment -- optional. used to attach additional human-readable information about the column family to its definition.
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#
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#
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# read_repair_chance -- optional. must be between 0 and 1. defaults to 1.0 (always read repair).
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# specifies the probability with which read repairs should be invoked on non-quorum reads.
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#
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# preloadRowCache -- Optional. If true, will populate row cache on startup.
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# ColumnFamily optional parameters:
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# - keys_cached: specifies the number of keys per sstable whose
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# locations we keep in memory in "mostly LRU" order. (JUST the key
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# locations, NOT any column values.) Specify a fraction (value less
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# than 1) or an absolute number of keys to cache. Defaults to 200000
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# keys.
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# - rows_cached: specifies the number of rows whose entire contents we
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# cache in memory. Do not use this on ColumnFamilies with large rows,
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# or ColumnFamilies with high write:read ratios. Specify a fraction
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# (value less than 1) or an absolute number of rows to cache.
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# Defaults to 0. (i.e. row caching is off by default)
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# - comment: used to attach additional human-readable information about
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# the column family to its definition.
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# - read_repair_chance: specifies the probability with which read
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# repairs should be invoked on non-quorum reads. must be between 0
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# and 1. defaults to 1.0 (always read repair).
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# - preloadRowCache: If true, will populate row cache on startup.
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# Defaults to false.
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#
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keyspaces:
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- name: Keyspace1
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