Create host_summary_57.sql

Author: aadant

views/p_s/host_summary_57.sql

@@ -0,0 +1,118 @@
+/* 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: host_summary
+ *
+ * Summarizes statement activity and connections by host
+ *
+ * mysql> select * from host_summary;
+ * +------+------------+---------------+-------------+---------------------+-------------------+--------------+----------------+------------------------+
+ * | host | statements | total_latency | avg_latency | current_connections | total_connections | unique_users | current_memory | total_memory_allocated |
+ * +------+------------+---------------+-------------+---------------------+-------------------+--------------+----------------+------------------------+
+ * | hal1 |       5663 | 00:01:47.14   | 18.92 ms    |                   1 |                 1 |            1 | 1.41 MiB       | 543.55 MiB             |
+ * | hal2 |        225 | 14.49 s       | 64.40 ms    |                   1 |                 1 |            1 | 707.60 KiB     | 81.02 MiB              |
+ * +------+------------+---------------+-------------+---------------------+-------------------+--------------+----------------+------------------------+
+ *
+ */
+
+CREATE OR REPLACE
+  ALGORITHM = TEMPTABLE
+  DEFINER = 'root'@'localhost'
+  SQL SECURITY INVOKER 
+VIEW host_summary (
+  host,
+  statements,
+  statement_latency,
+  statement_avg_latency,
+  table_scans,
+  file_ios,
+  file_io_latency,
+  current_connections,
+  total_connections,
+  unique_hosts,
+  current_memory,
+  total_memory_allocated
+) AS
+SELECT accounts.host,
+       SUM(stmt.total) AS statements,
+       sys.format_time(SUM(stmt.total_latency)) AS statement_latency,
+       sys.format_time(SUM(stmt.total_latency) / SUM(stmt.total)) AS statement_avg_latency,
+       SUM(stmt.full_scans) AS table_scans,
+       SUM(io.ios) AS file_ios,
+       sys.format_time(SUM(io.io_latency)) AS file_io_latency,
+       SUM(accounts.current_connections) AS current_connections,
+       SUM(accounts.total_connections) AS total_connections,
+       COUNT(DISTINCT user) AS unique_users,
+       sys.format_bytes(mem.current_allocated) AS current_memory,
+       sys.format_bytes(mem.total_allocated) AS total_memory_allocated
+  FROM performance_schema.accounts
+  JOIN sys.x$host_summary_by_statement_latency AS stmt ON accounts.host = stmt.host
+  JOIN sys.x$host_summary_by_file_io AS io ON accounts.host = io.host
+  JOIN sys.x$memory_by_host_by_current_bytes mem ON accounts.host = mem.host
+ WHERE accounts.host IS NOT NULL
+ GROUP BY accounts.host;
+
+/*
+ * View: x$host_summary
+ *
+ * Summarizes statement activity and connections by host
+ *
+ * mysql> select * from x$host_summary;
+ * +------+------------+-----------------+------------------+---------------------+-------------------+--------------+----------------+------------------------+
+ * | host | statements | total_latency   | avg_latency      | current_connections | total_connections | unique_users | current_memory | total_memory_allocated |
+ * +------+------------+-----------------+------------------+---------------------+-------------------+--------------+----------------+------------------------+
+ * | hal1 |       5685 | 107175100271000 | 18852260381.8821 |                   1 |                 1 |            1 |        1459022 |              572855680 |
+ * | hal2 |        225 |  14489223428000 | 64396548568.8889 |                   1 |                 1 |            1 |         724578 |               84958286 |
+ * +------+------------+-----------------+------------------+---------------------+-------------------+--------------+----------------+------------------------+
+ * 
+ */
+
+CREATE OR REPLACE
+  ALGORITHM = TEMPTABLE
+  DEFINER = 'root'@'localhost'
+  SQL SECURITY INVOKER 
+VIEW x$host_summary (
+  host,
+  statements,
+  statement_latency,
+  statement_avg_latency,
+  table_scans,
+  file_ios,
+  file_io_latency,
+  current_connections,
+  total_connections,
+  unique_users,
+  current_memory,
+  total_memory_allocated
+) AS
+SELECT accounts.host,
+       SUM(stmt.total) AS statements,
+       SUM(stmt.total_latency) AS statement_latency,
+       SUM(stmt.total_latency) / SUM(stmt.total) AS statement_avg_latency,
+       SUM(stmt.full_scans) AS table_scans,
+       SUM(io.ios) AS file_ios,
+       SUM(io.io_latency) AS file_io_latency,
+       SUM(accounts.current_connections) AS current_connections,
+       SUM(accounts.total_connections) AS total_connections,
+       COUNT(DISTINCT accounts.user) AS unique_users,
+       mem.current_allocated AS current_memory,
+       mem.total_allocated AS total_memory_allocated
+  FROM performance_schema.accounts
+  JOIN sys.x$host_summary_by_statement_latency AS stmt ON accounts.host = stmt.host
+  JOIN sys.x$host_summary_by_file_io AS io ON accounts.host = io.host
+  JOIN sys.x$memory_by_host_by_current_bytes mem ON accounts.host = mem.host
+ WHERE accounts.host IS NOT NULL
+ GROUP BY accounts.host;