From 3f619478f796eddbba6e39502fe941b285dd97b1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:00:34 +0200 Subject: Adding upstream version 1:10.11.6. Signed-off-by: Daniel Baumann --- mysql-test/suite/perfschema_stress/README | 35 +++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 mysql-test/suite/perfschema_stress/README (limited to 'mysql-test/suite/perfschema_stress/README') diff --git a/mysql-test/suite/perfschema_stress/README b/mysql-test/suite/perfschema_stress/README new file mode 100644 index 00000000..b21de197 --- /dev/null +++ b/mysql-test/suite/perfschema_stress/README @@ -0,0 +1,35 @@ +# Copyright (c) 2009, 2010 Sun Microsystems, Inc. +# Use is subject to license terms +# +# 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 02110-1335 USA + +WL#4818 - Stress testing of PERFORMANCE_SCHEMA + +The performance schema storage engine is backed by data structures, we +want to be sure that these data structures are not fragile under +load. + +NFS1: 20 threads doing read of performance data (both mutex and +disk), 5 threads changing what is being instrumented, 25 threads doing +DML and DDL so that the statistics are updated. Connections should frequently +disconnect or be KILLed, and reconnect. + +The database should not crash under any circumstance. + +How to run: + +MTR_VERSION=1 ./mtr --stress \ + --stress-suite=perfschema_stress \ + --stress-threads=50 \ + --stress-test-duration=3600 -- cgit v1.2.3