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authorMarko Mäkelä <marko.makela@mariadb.com>2019-10-19 15:16:47 +0300
committerMarko Mäkelä <marko.makela@mariadb.com>2019-10-19 15:16:47 +0300
commit28098420317bc2efe082df799c917babde879242 (patch)
treef23f44991f3ba07d108061388d500d74c06ead3b /mysql-test/suite/sys_vars
parentfa929f7cdf71e351a64639815d84ae5d4f3dc053 (diff)
downloadmariadb-git-28098420317bc2efe082df799c917babde879242.tar.gz
MDEV-20864 Introduce debug option innodb_change_buffer_dump
To diagnose a hang in slow shutdown (innodb_fast_shutdown=0), let us introduce a Boolean startup option in debug builds that will cause the contents of the InnoDB change buffer to be dumped to the server error log at startup.
Diffstat (limited to 'mysql-test/suite/sys_vars')
-rw-r--r--mysql-test/suite/sys_vars/r/sysvars_innodb.result12
1 files changed, 12 insertions, 0 deletions
diff --git a/mysql-test/suite/sys_vars/r/sysvars_innodb.result b/mysql-test/suite/sys_vars/r/sysvars_innodb.result
index 1808cfb6ea3..65d47347a15 100644
--- a/mysql-test/suite/sys_vars/r/sysvars_innodb.result
+++ b/mysql-test/suite/sys_vars/r/sysvars_innodb.result
@@ -354,6 +354,18 @@ NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
+VARIABLE_NAME INNODB_CHANGE_BUFFER_DUMP
+SESSION_VALUE NULL
+DEFAULT_VALUE OFF
+VARIABLE_SCOPE GLOBAL
+VARIABLE_TYPE BOOLEAN
+VARIABLE_COMMENT Dump the change buffer at startup.
+NUMERIC_MIN_VALUE NULL
+NUMERIC_MAX_VALUE NULL
+NUMERIC_BLOCK_SIZE NULL
+ENUM_VALUE_LIST OFF,ON
+READ_ONLY YES
+COMMAND_LINE_ARGUMENT NONE
VARIABLE_NAME INNODB_CHANGE_BUFFER_MAX_SIZE
SESSION_VALUE NULL
DEFAULT_VALUE 25