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.. _performance_dictionary_plugin:
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The :program:`peformance_dictionary` plugin provides the
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DATA_DICTIONARY.SESSION_USAGE table.
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.. _performance_dictionary_loading:
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To load this plugin, start :program:`drizzled` with::
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--plugin-add=performance_dictionary
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.. seealso:: :ref:`drizzled_plugin_options` for more information about adding and removing plugins.
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.. _performance_dictionary_examples:
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drizzle> SELECT * FROM DATA_DICTIONARY.SESSION_USAGE\G
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*************************** 1. row ***************************
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QUERY: select schema_name from information_schema.schemata
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USER_TIME_USED_SECONDS: -1407374883553280
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USER_TIME_USED_MICRO_SECONDS: -21238467
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SYSTEM_TIME_USED_SECONDS: 0
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SYSTEM_TIME_USED_MICRO_SECONDS: -233809327
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INTEGRAL_MAX_RESIDENT_SET_SIZE: 51167232
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INTEGRAL_SHARED_TEXT_MEMORY_SIZE: -4
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INTEGRAL_UNSHARED_DATA_SIZE: -3096224743817216
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INTEGRAL_UNSHARED_STACK_SIZE: -4316623440
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PAGE_FAULTS: -1099511627776
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BLOCK_INPUT_OPERATIONS: 0
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BLOCK_OUTPUT_OPERATIONS: -3096224743817216
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MESSAGES_SENT: -4316623425
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SIGNALS_RECEIVED: -233832448
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VOLUNTARY_CONTEXT_SWITCHES: -4316635555
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INVOLUNTARY_CONTEXT_SWITCHES: 405
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.. _performance_dictionary_authors:
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.. _performance_dictionary_version:
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This documentation applies to **performance_dictionary 1.0**.
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To see which version of the plugin a Drizzle server is running, execute:
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SELECT MODULE_VERSION FROM DATA_DICTIONARY.MODULES WHERE MODULE_NAME='performance_dictionary'