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849af74a48
Split the test case so that a server restart is not needed. Reduce the test cases and use a simpler mechanism for triggering and waiting for purge. fil_table_accessible(): Check if a table can be accessed without enjoying MDL protection.
30 lines
918 B
Plaintext
30 lines
918 B
Plaintext
#
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# Bug #23070734 CONCURRENT TRUNCATE TABLES CAUSE STALLS
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#
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create table t1 (f1 int ,f2 int,key(f2)) engine=innodb;
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begin;
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insert into t1 values (10,45),(20,78),(30,88),(40,23),(50,78),(60,11),(70,56),(80,90);
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delete from t1;
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connect con2,localhost,root,,;
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START TRANSACTION WITH CONSISTENT SNAPSHOT;
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connection default;
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SET @saved_frequency = @@GLOBAL.innodb_purge_rseg_truncate_frequency;
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SET GLOBAL innodb_purge_rseg_truncate_frequency = 1;
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commit;
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connect con1,localhost,root,,;
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SET DEBUG_SYNC= 'buffer_pool_scan SIGNAL started WAIT_FOR finish_scan';
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truncate table t1;
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connection con2;
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SET DEBUG_SYNC= 'now WAIT_FOR started';
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COMMIT;
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disconnect con2;
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connection default;
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InnoDB 0 transactions not purged
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SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;
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SET DEBUG_SYNC = 'now SIGNAL finish_scan';
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SET DEBUG_SYNC = 'RESET';
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connection con1;
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disconnect con1;
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connection default;
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drop table t1;
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