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MDEV-7273 - 10.1 fails to start up during tc_log initializations on PPC64

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log-tc-size is 24K by default. Page size is 64K on PPC64. But log-tc-size
must be at least 3 x page size. This is enforced by TC_LOG_MMAP::open()
with a comment: to guarantee non-empty pool.

This all makes server not startable in default configuration on PPC64.

Autosize log-tc-size, so that it's min value= page size * 3, default
value= page size * 6, block size= page size.
This commit is contained in:
Sergey Vojtovich
2014-12-26 23:38:45 +04:00
parent 8c616cd347
commit f65901eef2
10 changed files with 54 additions and 18 deletions
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11
mysql-test/suite/sys_vars/inc/sysvars_server.inc
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@ -28,7 +28,7 @@ select * from information_schema.system_variables
'system_time_zone',
'version_comment',
'version_compile_machine', 'version_compile_os',
'version_malloc_library', 'version'
'version_malloc_library', 'log_tc_size', 'version'
)
order by variable_name;
@ -53,4 +53,13 @@ select VARIABLE_NAME, VARIABLE_SCOPE, VARIABLE_TYPE, VARIABLE_COMMENT,
)
order by variable_name;
# yet less data: no values, no blocks size, no min/max value.
select VARIABLE_NAME, GLOBAL_VALUE_ORIGIN, VARIABLE_SCOPE, VARIABLE_TYPE,
VARIABLE_COMMENT, ENUM_VALUE_LIST, READ_ONLY, COMMAND_LINE_ARGUMENT
from information_schema.system_variables
where variable_name in (
'log_tc_size'
)
order by variable_name;
set global div_precision_increment=default;