memory_summary_by_host_by_event_name
This page is part of MariaDB's Enterprise Documentation.
The parent of this page is: Performance Schema
Topics on this page:
Overview
- In 10.6 ES, 10.6 CS, 10.5 ES, 10.5 CS:
A description for this Performance-schema Table has not yet been added to this Documentation.
- In 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS, 10.2 ES, 10.2 CS:
Not present
See also: Performance Schema in 10.6 ES, in 10.6 CS, in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS
DETAILS
SCHEMA
CREATE TABLE `memory_summary_by_host_by_event_name` (
`HOST` char(60) CHARACTER SET utf8mb3 COLLATE utf8mb3_bin DEFAULT NULL COMMENT 'Host portion of the account.',
`EVENT_NAME` varchar(128) NOT NULL COMMENT 'Event name.',
`COUNT_ALLOC` bigint(20) unsigned NOT NULL COMMENT 'Total number of allocations to memory.',
`COUNT_FREE` bigint(20) unsigned NOT NULL COMMENT 'Total number of attempts to free the allocated memory.',
`SUM_NUMBER_OF_BYTES_ALLOC` bigint(20) unsigned NOT NULL COMMENT 'Total number of bytes allocated.',
`SUM_NUMBER_OF_BYTES_FREE` bigint(20) unsigned NOT NULL COMMENT 'Total number of bytes freed',
`LOW_COUNT_USED` bigint(20) NOT NULL COMMENT 'Lowest number of allocated blocks (lowest value of CURRENT_COUNT_USED).',
`CURRENT_COUNT_USED` bigint(20) NOT NULL COMMENT 'Currently allocated blocks that have not been freed (COUNT_ALLOC minus COUNT_FREE).',
`HIGH_COUNT_USED` bigint(20) NOT NULL COMMENT 'Highest number of allocated blocks (highest value of CURRENT_COUNT_USED).',
`LOW_NUMBER_OF_BYTES_USED` bigint(20) NOT NULL COMMENT 'Lowest number of bytes used.',
`CURRENT_NUMBER_OF_BYTES_USED` bigint(20) NOT NULL COMMENT 'Current number of bytes used (total allocated minus total freed).',
`HIGH_NUMBER_OF_BYTES_USED` bigint(20) NOT NULL COMMENT 'Highest number of bytes used.'
)
CHANGE HISTORY
Release Series | History |
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10.6 Enterprise |
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10.6 Community |
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10.5 Enterprise |
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10.5 Community |
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10.4 Enterprise |
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10.4 Community |
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10.3 Enterprise |
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10.3 Community |
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10.2 Enterprise |
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10.2 Community |
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EXTERNAL REFERENCES
Information specific to MariaDB SkySQL can be found on the memory_summary_by_host_by_event_name page in the SkySQL Documentation.