mirror of https://github.com/apache/cassandra
61 lines
2.4 KiB
Plaintext
61 lines
2.4 KiB
Plaintext
NAME
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nodetool compressiondictionary train - Manually trigger compression
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dictionary training for a table. If no SSTables are available, the
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memtable will be flushed first.
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SYNOPSIS
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nodetool [(-h <host> | --host <host>)] [(-p <port> | --port <port>)]
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[(-pp | --print-port)] [(-pw <password> | --password <password>)]
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[(-pwf <passwordFilePath> | --password-file <passwordFilePath>)]
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[(-u <username> | --username <username>)] compressiondictionary train
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[(-f | --force)] [--max-dict-size <trainingMaxDictionarySize>]
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[--max-total-sample-size <trainingMaxTotalSampleSize>] [--] <keyspace>
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<table>
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OPTIONS
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-f, --force
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Force the dictionary training even if there are not enough samples
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-h <host>, --host <host>
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Node hostname or ip address
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--max-dict-size <trainingMaxDictionarySize>
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Maximum size of a trained compression dictionary. Larger
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dictionaries may provide better compression but use more memory.
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When not set, the value from compression configuration from CQL for
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a given table is used. The default value is 64KiB.
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--max-total-sample-size <trainingMaxTotalSampleSize>
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Maximum total size of sample data to collect for dictionary
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training. More sample data generally produces better dictionaries
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but takes longer to train. The recommended sample size is 100x the
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dictionary size. When not set, the value from compression
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configuration from CQL for a give table is used. The default value
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is 10MiB.
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-p <port>, --port <port>
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Remote jmx agent port number
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-pp, --print-port
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Operate in 4.0 mode with hosts disambiguated by port number
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-pw <password>, --password <password>
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Remote jmx agent password
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-pwf <passwordFilePath>, --password-file <passwordFilePath>
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Path to the JMX password file
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-u <username>, --username <username>
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Remote jmx agent username
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--
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This option can be used to separate command-line options from the
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list of argument, (useful when arguments might be mistaken for
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command-line options
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<keyspace>
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The keyspace name
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<table>
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The table name
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