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MDEV-7108: Make long semaphore wait timeout configurable

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Merge Facebook commit cd063ab930
authored by Peng Tian from https://github.com/facebook/mysql-5.6

Introduced a new configuration variable innodb_fatal_semaphore_wait_threshold,
it makes the fatal semaphore timeout configurable. Modified original commit
so that no MariaDB server files are changed, instead introduced a new
InnoDB/XtraDB configuration variable.

Its default/min/max vlaues are 600/1/2^32-1 in seconds (it was hardcoded
as 600, now its default value is 600, so the default behavior of this diff
should be no change).
This commit is contained in:
Jan Lindström
2014-11-17 09:55:55 +02:00
parent ea83226872
commit 7bf391c205
14 changed files with 246 additions and 8 deletions
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14
mysql-test/suite/sys_vars/r/sysvars_innodb.result
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@@ -663,6 +663,20 @@ NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME INNODB_FATAL_SEMAPHORE_WAIT_THRESHOLD
SESSION_VALUE NULL
GLOBAL_VALUE 600
GLOBAL_VALUE_ORIGIN COMPILE-TIME
DEFAULT_VALUE 600
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Maximum number of seconds that semaphore times out in InnoDB.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 0
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME INNODB_FILE_FORMAT
SESSION_VALUE NULL
GLOBAL_VALUE Antelope