Create host_summary_by_file_io.sql

Author: aadant

views/p_s/host_summary_by_file_io.sql

@@ -0,0 +1,77 @@
+/* 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_by_file_io
+ *
+ * Summarizes file IO totals per host.
+ *
+ * mysql> select * from host_summary_by_file_io;
+ * +------------+-------+------------+
+ * | host       | ios   | io_latency |
+ * +------------+-------+------------+
+ * | hal1       | 26457 | 21.58 s    |
+ * | hal2       |  1189 | 394.21 ms  |
+ * +------------+-------+------------+
+ *
+ */
+
+CREATE OR REPLACE
+  ALGORITHM = TEMPTABLE
+  DEFINER = 'root'@'localhost'
+  SQL SECURITY INVOKER 
+VIEW host_summary_by_file_io (
+  host,
+  ios,
+  io_latency
+) AS
+SELECT host, 
+       SUM(total) AS ios,
+       sys.format_time(SUM(latency)) AS io_latency 
+  FROM x$host_summary_by_file_io_type
+ GROUP BY host
+ ORDER BY SUM(latency) DESC;
+
+/*
+ * View: x$host_summary_by_file_io
+ *
+ * Summarizes file IO totals per host.
+ *
+ *
+ * mysql> select * from x$host_summary_by_file_io;
+ * +------------+-------+----------------+
+ * | host       | ios   | io_latency     |
+ * +------------+-------+----------------+
+ * | hal1       | 26457 | 21579585586390 |
+ * | hal2       |  1189 |   394212617370 |
+ * +------------+-------+----------------+
+ *
+ */
+
+CREATE OR REPLACE
+  ALGORITHM = TEMPTABLE
+  DEFINER = 'root'@'localhost'
+  SQL SECURITY INVOKER 
+VIEW x$host_summary_by_file_io (
+  host,
+  ios,
+  io_latency
+) AS
+SELECT host, 
+       SUM(total) AS ios,
+       SUM(latency) AS io_latency 
+  FROM x$host_summary_by_file_io_type
+ GROUP BY host
+ ORDER BY SUM(latency) DESC;