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/* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
/*
* View: memory_by_user_by_current_bytes
*
* Summarizes memory use by user using the 5.7 Performance Schema instrumentation.
*
* When the user found is NULL, it is assumed to be a "background" thread.
*
* mysql> select * from memory_by_user_by_current_bytes;
* +------+--------------------+-------------------+-------------------+-------------------+-----------------+
* | user | current_count_used | current_allocated | current_avg_alloc | current_max_alloc | total_allocated |
* +------+--------------------+-------------------+-------------------+-------------------+-----------------+
* | root | 1401 | 1.09 MiB | 815 bytes | 334.97 KiB | 42.73 MiB |
* | mark | 201 | 496.08 KiB | 2.47 KiB | 334.97 KiB | 5.50 MiB |
* +------+--------------------+-------------------+-------------------+-------------------+-----------------+
*
*/
CREATE OR REPLACE
ALGORITHM = TEMPTABLE
DEFINER = 'root'@'localhost'
SQL SECURITY INVOKER
VIEW memory_by_user_by_current_bytes (
user,
current_count_used,
current_allocated,
current_avg_alloc,
current_max_alloc,
total_allocated
) AS
SELECT IF(user IS NULL, 'background', user) AS user,
SUM(current_count_used) AS current_count_used,
sys.format_bytes(SUM(current_number_of_bytes_used)) AS current_allocated,
sys.format_bytes(IFNULL(SUM(current_number_of_bytes_used) / NULLIF(SUM(current_count_used), 0), 0)) AS current_avg_alloc,
sys.format_bytes(MAX(current_number_of_bytes_used)) AS current_max_alloc,
sys.format_bytes(SUM(sum_number_of_bytes_alloc)) AS total_allocated
FROM performance_schema.memory_summary_by_user_by_event_name
GROUP BY user
ORDER BY SUM(current_number_of_bytes_used) DESC;
/*
* View: x$memory_by_user_by_current_bytes
*
* Summarizes memory use by user
*
* When the user found is NULL, it is assumed to be a "background" thread.
*
* mysql> select * from x$memory_by_user_by_current_bytes;
* +------+--------------------+-------------------+-------------------+-------------------+-----------------+
* | user | current_count_used | current_allocated | current_avg_alloc | current_max_alloc | total_allocated |
* +------+--------------------+-------------------+-------------------+-------------------+-----------------+
* | root | 1399 | 1124553 | 803.8263 | 343008 | 45426133 |
* | mark | 201 | 507990 | 2527.3134 | 343008 | 5769804 |
* +------+--------------------+-------------------+-------------------+-------------------+-----------------+
*
*/
CREATE OR REPLACE
ALGORITHM = TEMPTABLE
DEFINER = 'root'@'localhost'
SQL SECURITY INVOKER
VIEW x$memory_by_user_by_current_bytes (
user,
current_count_used,
current_allocated,
current_avg_alloc,
current_max_alloc,
total_allocated
) AS
SELECT IF(user IS NULL, 'background', user) AS user,
SUM(current_count_used) AS current_count_used,
SUM(current_number_of_bytes_used) AS current_allocated,
IFNULL(SUM(current_number_of_bytes_used) / NULLIF(SUM(current_count_used), 0), 0) AS current_avg_alloc,
MAX(current_number_of_bytes_used) AS current_max_alloc,
SUM(sum_number_of_bytes_alloc) AS total_allocated
FROM performance_schema.memory_summary_by_user_by_event_name
GROUP BY user
ORDER BY SUM(current_number_of_bytes_used) DESC;
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