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Adapt the innodb_undo tests from MySQL 5.7

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Simplify the tests that are present in MySQL 5.7. Make the table
smaller while generating enough undo log. Do not unnecessarily
drop tables.

trx_purge_initiate_truncate(): Remove two crash injection points
(before and after normal redo log checkpoint), because they are
not adding any value. Clarify some messages.

trx_sys_create_rsegs(): Display the number of active undo tablespaces.

srv_undo_tablespaces_init(): When initializing the data files, do not
leave srv_undo_tablespaces_active at 0.
Do not display that number; let trx_sys_create_rsegs() display it once
the final number is known.

innodb_params_adjust(): Adjust parameters after startup.

innobase_init(): Do not allow innodb_max_undo_size to be less
than SRV_UNDO_TABLESPACE_SIZE_IN_PAGES. This avoids unnecessary
repeated truncation of undo tablespaces when using
innodb_page_size=32k or innodb_page_size=64k.
This commit is contained in:
Marko Mäkelä
2017-04-25 09:26:01 +03:00
parent d1bcc1f49f
commit ce3ffefc45
16 changed files with 363 additions and 83 deletions
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11
mysql-test/suite/innodb_undo/r/truncate.result Normal file
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SET GLOBAL innodb_fast_shutdown=0;
create table t1(keyc int primary key, c1 char(100)) engine = innodb;
begin;
update t1 set c1 = 'mysql';
update t1 set c1 = 'oracle';
delete from t1;
commit;
drop table t1;
SET GLOBAL innodb_fast_shutdown=0;
SET GLOBAL innodb_undo_log_truncate=1;
SET GLOBAL innodb_purge_rseg_truncate_frequency=1;