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a87bb96ecb
This controls which linux implementation to use for
innodb_use_native_aio=ON.
innodb_linux_aio=auto is equivalent to innodb_linux_aio=io_uring when
it is available, and falling back to innodb_linux_aio=aio when not.
Debian packaging is no longer aio exclusive or uring, so
for those older Debian or Ubuntu releases, its a remove_uring directive.
For more recent releases, add mandatory liburing for consistent packaging.
WITH_LIBAIO is now an independent option from WITH_URING.
LINUX_NATIVE_AIO preprocessor constant is renamed to HAVE_LIBAIO,
analogous to existing HAVE_URING.
tpool::is_aio_supported(): A common feature check.
is_linux_native_aio_supported(): Remove. This had originally been added in
mysql/mysql-server@0da310b69d in 2012
to fix an issue where io_submit() on CentOS 5.5 would return EINVAL
for a /tmp/#sql*.ibd file associated with CREATE TEMPORARY TABLE.
But, starting with commit 2e814d4702 InnoDB
temporary tables will be written to innodb_temp_data_file_path.
The 2012 commit said that the error could occur on "old kernels".
Any GNU/Linux distribution that we currently support should be based
on a newer Linux kernel; for example, Red Hat Enterprise Linux 7
was released in 2014.
tpool::create_linux_aio(): Wraps the Linux implementations:
create_libaio() and create_liburing(), each defined in separate
compilation units (aio_linux.cc, aio_libaio.cc, aio_liburing.cc).
The CMake definitions are simplified using target_sources() and
target_compile_definitions(), all available since CMake 2.8.12.
With this change, there is no need to include ${CMAKE_SOURCE_DIR}/tpool
or add TPOOL_DEFINES flags anymore, target_link_libraries(lib tpool)
does all that.
This is joint work with Daniel Black and Vladislav Vaintroub.
21 lines
1.1 KiB
Text
21 lines
1.1 KiB
Text
--source include/have_innodb.inc
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--source include/have_debug.inc
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--source include/not_valgrind.inc
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--source include/word_size.inc
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--disable_query_log
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call mtr.add_suppression("'innodb-purge-rseg-truncate-frequency' was removed");
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--enable_query_log
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--vertical_results
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--replace_regex /^\/\S+/PATH/ /\.\//PATH/
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select VARIABLE_NAME, SESSION_VALUE, DEFAULT_VALUE, VARIABLE_SCOPE, VARIABLE_TYPE, VARIABLE_COMMENT, NUMERIC_MIN_VALUE, NUMERIC_MAX_VALUE, NUMERIC_BLOCK_SIZE, ENUM_VALUE_LIST, READ_ONLY, COMMAND_LINE_ARGUMENT from information_schema.system_variables
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where variable_name like 'innodb%' and
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variable_name not in (
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'innodb_numa_interleave', # only available WITH_NUMA
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'innodb_evict_tables_on_commit_debug', # one may want to override this
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'innodb_use_native_aio', # default value depends on OS
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'innodb_log_file_buffering', # only available on Linux and Windows
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'innodb_linux_aio', # existence depends on OS
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'innodb_buffer_pool_load_pages_abort') # debug build only, and is only for testing
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order by variable_name;
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