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MDEV-19747: Deprecate and ignore innodb_log_optimize_ddl

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During native table rebuild or index creation, InnoDB used to skip
redo logging and write MLOG_INDEX_LOAD records to inform crash recovery
and Mariabackup of the gaps in redo log. This is fragile and prohibits
some optimizations, such as skipping the doublewrite buffer for
newly (re)initialized pages (MDEV-19738).

row_merge_write_redo(): Remove. We do not write MLOG_INDEX_LOAD
records any more. Instead, we write full redo log.

FlushObserver: Remove.

fseg_free_page_func(): Remove the parameter log. Redo logging
cannot be disabled.

fil_space_t::redo_skipped_count: Remove.

We cannot remove buf_block_t::skip_flush_check, because PageBulk
will temporarily generate invalid B-tree pages in the buffer pool.
This commit is contained in:
Marko Mäkelä
2020-02-11 18:44:26 +02:00
parent 8ccb3caafb
commit fc2f2fa853
46 changed files with 127 additions and 964 deletions
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54
mysql-test/suite/innodb/r/innodb_bulk_create_index_flush.result
View File

@@ -1,54 +0,0 @@
CREATE PROCEDURE populate_t1()
BEGIN
DECLARE i int DEFAULT 1;
START TRANSACTION;
WHILE (i <= 10000) DO
INSERT INTO t1 VALUES (i, i, CONCAT('a', i));
SET i = i + 1;
END WHILE;
COMMIT;
END|
CREATE TABLE t1(
class INT,
id INT,
title VARCHAR(100)
) ENGINE=InnoDB;
SELECT COUNT(*) FROM t1;
COUNT(*)
10000
SET @saved_dbug= @@SESSION.debug_dbug;
SET debug_dbug='+d,ib_index_build_fail_before_flush';
CREATE INDEX idx_id ON t1(id);
ERROR 70100: Query execution was interrupted
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
CREATE INDEX idx_title ON t1(title);
ERROR 70100: Query execution was interrupted
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
CREATE FULLTEXT INDEX fidx_title ON t1(title);
ERROR 70100: Query execution was interrupted
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
ALTER TABLE t1 ADD COLUMN content TEXT, FORCE;
ERROR 70100: Query execution was interrupted
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SET debug_dbug= @saved_dbug;
INSERT INTO t1 VALUES(10001, 10001, 'a10000');
ALTER TABLE t1 ADD UNIQUE INDEX idx_title(title);
ERROR 23000: Duplicate entry 'a10000' for key 'idx_title'
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
ALTER TABLE t1 ADD UNIQUE INDEX idx_id(id), ADD UNIQUE INDEX idx_title(title);
ERROR 23000: Duplicate entry 'a10000' for key 'idx_title'
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
DROP TABLE t1;
DROP PROCEDURE populate_t1;

2
mysql-test/suite/innodb/r/log_alter_table.result
View File

@@ -13,7 +13,7 @@ ALTER TABLE t1 DROP INDEX b, ADD INDEX (b), LOCK=SHARED;
# Kill the server
# restart: --debug=d,ib_log
FOUND 2 /scan \d+: multi-log rec MLOG_FILE_CREATE2 len \d+ page \d+:0/ in mysqld.1.err
FOUND 3 /scan \d+: log rec MLOG_INDEX_LOAD/ in mysqld.1.err
NOT FOUND /scan \d+: log rec MLOG_INDEX_LOAD/ in mysqld.1.err
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK