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MDEV-20060: Failing assertion: srv_log_file_size <= 512ULL << 30 while preparing backup

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The general reason why innodb redo log file is limited by 512G is that
log_block_convert_lsn_to_no() returns value limited by 1G. But there is no
need to have unique log block numbers in log group. The fix removes 512G
limit and limits log group size by
(uint32_t maximum value) * (minimum page size), which, in turns, can be
removed if fil_io() is no longer used for innodb redo log io.
This commit is contained in:
Vlad Lesin
2019-07-29 14:12:19 +03:00
parent 88abca55f9
commit d39d5dd2bc
10 changed files with 147 additions and 16 deletions
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mysql-test/suite/sys_vars/r/sysvars_innodb.result
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@@ -1793,7 +1793,7 @@ VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT UNSIGNED
VARIABLE_COMMENT Size of each log file in a log group.
NUMERIC_MIN_VALUE 1048576
NUMERIC_MAX_VALUE 549755813888
NUMERIC_MAX_VALUE 17592186044415
NUMERIC_BLOCK_SIZE 65536
ENUM_VALUE_LIST NULL
READ_ONLY YES