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mariadb/mysql-test/t/mysqld--help.test
Daniel Black deb365581b MDEV-23386: mtr: main.mysqld--help autosized table{-open,}-cach and max-connections
Example of the failure:
http://buildbot.askmonty.org/buildbot/builders/bld-p9-rhel7/builds/4417/steps/mtr/logs/stdio
```
main.mysqld--help 'unix'                 w17 [ fail ]
        Test ended at 2020-06-20 18:51:45

CURRENT_TEST: main.mysqld--help
--- /opt/buildbot-slave/bld-p9-rhel7/build/mysql-test/main/mysqld--help.result	2020-06-20 16:06:49.903604179 +0300
+++ /opt/buildbot-slave/bld-p9-rhel7/build/mysql-test/main/mysqld--help.reject	2020-06-20 18:51:44.886766820 +0300
@@ -1797,10 +1797,10 @@
 sync-relay-log-info 10000
 sysdate-is-now FALSE
 system-versioning-alter-history ERROR
-table-cache 421
+table-cache 2000
 table-definition-cache 400
-table-open-cache 421
-table-open-cache-instances 1
+table-open-cache 2000
+table-open-cache-instances 8
 tc-heuristic-recover OFF
 tcp-keepalive-interval 0
 tcp-keepalive-probes 0

mysqltest: Result length mismatch
```
mtr: table_open_cache_basic autosized:

Lets assume that >400 are available and that
we can set the result back to the start value.

All of these system variables are autosized and can
generate MTR output differences.

Closes #1527
2020-08-10 11:58:56 +02:00

71 lines
2.7 KiB
Plaintext

#
# mysqld --help
#
--source include/not_embedded.inc
--source include/have_perfschema.inc
--source include/have_profiling.inc
--source include/platform.inc
#
# force lower-case-table-names=1 (linux/macosx have different defaults)
# force symbolic-links=0 (valgrind build has a different default)
#
exec $MYSQLD_BOOTSTRAP_CMD --symbolic-links=0 --lower-case-table-names=1 --help --verbose > $MYSQL_TMP_DIR/mysqld--help.txt 2>&1;
# The inline perl code below will copy $MYSQL_TMP_DIR/mysqld--help.txt
# to output, but filter away some variable stuff (e.g. paths).
perl;
# Variables which we don't want to display in the result file since
# their paths may vary:
@skipvars=qw/basedir open-files-limit general-log-file log plugin-dir
log-slow-queries pid-file slow-query-log-file log-basename
datadir slave-load-tmpdir tmpdir socket thread-pool-size
large-files-support lower-case-file-system system-time-zone
collation-server character-set-server log-tc-size table-cache
table-open-cache max-connections version.*/;
# Plugins which may or may not be there:
@plugins=qw/innodb archive blackhole federated partition
feedback debug temp-pool ssl des-key-file xtradb sequence
thread-concurrency super-large-pages mutex-deadlock-detector
connect null-audit aria oqgraph sphinx thread-handling
test-sql-discovery rpl-semi-sync query-cache-info
query-response-time metadata-lock-info locales unix-socket
wsrep file-key-management cracklib-password-check/;
# And substitute the content some environment variables with their
# names:
@env=qw/MYSQLTEST_VARDIR MYSQL_TEST_DIR MYSQL_CHARSETSDIR MYSQL_SHAREDIR/;
$re1=join('|', @skipvars, @plugins);
$re2=join('|', @plugins);
$skip=0;
open(F, '<', "$ENV{MYSQL_TMP_DIR}/mysqld--help.txt") or die;
print "Windows bug: new line disappears when it is exactly at the right offset.\n";
while (<F>) {
next if 1../The following groups are read/;
# formatting, skip line consisting entirely of dashes and blanks
next if /^[\- ]+\s?$/;
next if /Value \(after reading options\)/; # skip table header
next if /^($re1) /;
next if /^($re2)-/;
$skip=0 if /^ -/ or /^$/;
$skip=1 if / --($re2)\b/;
y!\\!/!;
s/[ ]+/ /; # squeeze spaces to remove table formatting
# fixes for 32-bit
s/\b4294967295\b/18446744073709551615/;
s/\b2146435072\b/9223372036853727232/;
s/\b372736\b/299008/;
s/\b4294963200\b/18446744073709547520/;
foreach $var (@env) { s/\Q$ENV{$var}\E/$var/ }
next if /use --skip-(use-)?symbolic-links to disable/; # for valgrind, again
next if $skip;
print;
}
close F;
EOF