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1. sync_binlog=1 is needed to ensure that on flush binlog is available on disk. 2. Insert on 'connection master2' should wait for 'master1_ready' from 'connection master1'. Added sync_binlog=1 to all tests that got added as part of MDEV-21117 fix @mysql-test/suite/binlog/t/binlog_truncate_multi_log_unsafe.test @mysql-test/suite/binlog/t/binlog_truncate_multi_engine.test @mysql-test/suite/binlog/t/binlog_truncate_active_log.test @mysql-test/suite/binlog/t/binlog_truncate_multi_log.test
121 lines
4.1 KiB
Plaintext
121 lines
4.1 KiB
Plaintext
# ==== Purpose ====
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# The test verifies attempt to recover by the semisync slave server whose
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# binlog is unsafe for truncation.
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#
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# ==== Implementation ====
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# 2 binlog files are created with the 1st one destined to be the binlog
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# checkpoint file for recovery.
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# The final group of events is replication unsafe (myisam INSERT).
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# Therefore the semisync slave recovery may not.
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#
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# Steps:
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# 0 - Set max_binlog_size= 4096, to help an insert into a
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# transaction table 'ti' get binlog rotated while the
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# transaction won't be committed, being stopped at
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# a prior to commit debug_sync point
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# 1 - insert into a non-transactional 'tm' table completes with
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# binary logging as well
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# 2 - kill and attempt to restart the server as semisync slave that
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# must produce an expected unsafe-to-recover error
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# 3 - complete the test with a normal restart that successfully finds and
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# commits the transaction in doubt.
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#
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# ==== References ====
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#
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# MDEV-21117: recovery for --rpl-semi-sync-slave-enabled server
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#
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--source include/have_innodb.inc
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--source include/have_debug_sync.inc
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--source include/have_binlog_format_row.inc
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SET @@global.max_binlog_size= 4096;
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call mtr.add_suppression("Table '.*tm' is marked as crashed and should be repaired");
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call mtr.add_suppression("Got an error from unknown thread");
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call mtr.add_suppression("Checking table: '.*tm'");
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call mtr.add_suppression("Recovering table: '.*tm'");
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call mtr.add_suppression("Cannot truncate the binary log to file");
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call mtr.add_suppression("Crash recovery failed");
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call mtr.add_suppression("Can.t init tc log");
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call mtr.add_suppression("Aborting");
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call mtr.add_suppression("Found 1 prepared transactions");
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call mtr.add_suppression("mysqld: Table.*tm.*is marked as crashed");
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call mtr.add_suppression("Checking table.*tm");
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RESET MASTER;
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FLUSH LOGS;
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SET @@global.sync_binlog=1;
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CREATE TABLE ti (a INT PRIMARY KEY, b MEDIUMTEXT) ENGINE=Innodb;
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CREATE TABLE tm (f INT) ENGINE=MYISAM;
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--let $row_count = 5
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--let $i = `select $row_count-2`
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--disable_query_log
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while ($i)
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{
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--eval INSERT INTO ti VALUES ($i, REPEAT("x", 1))
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--dec $i
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}
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--enable_query_log
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INSERT INTO tm VALUES(1);
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connect(master1,localhost,root,,);
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connect(master2,localhost,root,,);
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connect(master3,localhost,root,,);
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--connection master1
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# The 1st trx binlogs, rotate binlog and hold on before committing at engine
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SET DEBUG_SYNC= "commit_after_release_LOCK_after_binlog_sync SIGNAL master1_ready WAIT_FOR master1_go_never_arrives";
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--send_eval INSERT INTO ti VALUES ($row_count - 1, REPEAT("x", 4100))
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--connection master2
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SET DEBUG_SYNC= "now WAIT_FOR master1_ready";
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# The 2nd trx for recovery, it does not rotate binlog
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SET DEBUG_SYNC= "commit_before_get_LOCK_commit_ordered SIGNAL master2_ready WAIT_FOR master2_go_never_arrives";
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--send_eval INSERT INTO ti VALUES ($row_count, REPEAT("x", 1))
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--connection master3
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SET DEBUG_SYNC= "now WAIT_FOR master2_ready";
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SET DEBUG_SYNC= "commit_before_get_LOCK_after_binlog_sync SIGNAL master3_ready";
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--send INSERT INTO tm VALUES (2)
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--connection default
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SET DEBUG_SYNC= "now WAIT_FOR master3_ready";
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--echo # The gtid binlog state prior the crash must be restored at the end of the test;
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SELECT @@global.gtid_binlog_state;
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--source include/kill_mysqld.inc
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#
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# Server restarts
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#
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--echo # Failed restart as the semisync slave
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--error 1
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--exec $MYSQLD_LAST_CMD --rpl-semi-sync-slave-enabled=1 >> $MYSQLTEST_VARDIR/log/mysqld.1.err 2>&1
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--echo # Normal restart
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--source include/start_mysqld.inc
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# Check error log for correct messages.
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let $log_error_ = $MYSQLTEST_VARDIR/log/mysqld.1.err;
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--let SEARCH_FILE=$log_error_
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--let SEARCH_PATTERN=Cannot truncate the binary log to file
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--source include/search_pattern_in_file.inc
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--echo # Proof that the in-doubt transactions are recovered by the 2nd normal server restart
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--eval SELECT COUNT(*) = $row_count as 'True' FROM ti
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# myisam table may require repair (which is not tested here)
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--disable_warnings
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SELECT COUNT(*) <= 1 FROM tm;
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--enable_warnings
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--echo # The gtid binlog state prior the crash is restored now
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SELECT @@GLOBAL.gtid_binlog_state;
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SELECT @@GLOBAL.gtid_binlog_pos;
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--echo # Cleanup
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DROP TABLE ti, tm;
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--echo End of test
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