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5cec83476d
io_watching_thread(): Declare as a detachable thread, similar to
log_copying_thread().
stop_backup_threads(): Wait for both log_copying_thread and
io_watching_thread to clear their flags. Expect log_sys.mutex
to be held by the caller.
xtrabackup_backup_func(): Initialize log_copying_stop before
creating io_watching_thread. This prevents a race condition
where io_watching_thread() could wait on the condition variable
before it had been fully initialized. This race condition would
cause a hang in the GNU libc implementation of pthread_cond_destroy()
at the end of stop_backup_threads().
This race condition was introduced in
commit 38fd7b7d91 (MDEV-21452).
123 lines
4 KiB
Text
123 lines
4 KiB
Text
--source include/have_aria.inc
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--source include/innodb_page_size.inc
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--source include/innodb_undo_tablespaces.inc
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# see suite.pm "check for exact values, in case the default changes to be small everywhere"
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if (`select @@max_binlog_stmt_cache_size = 4294963200 and @@innodb_page_size = 65536`) {
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skip skipped on 32bit; # tries to allocate 1GB of memory
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}
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call mtr.add_suppression("InnoDB: New log files created");
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let $test_comp=`select @@innodb_page_size < 32768`;
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let basedir=$MYSQLTEST_VARDIR/tmp/backup;
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let incremental_dir=$MYSQLTEST_VARDIR/tmp/backup_inc1;
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CREATE TABLE t_aria(i INT) ENGINE ARIA;
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CREATE TABLE t(i INT PRIMARY KEY) ENGINE INNODB;
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# MDEV-515 takes X-lock on the table for the first insert.
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# So concurrent insert won't happen on the table
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INSERT INTO t VALUES(100);
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if ($test_comp) {
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# If MDEV-28474 is not fixed, backup preparing will crash with SIGSEGV.
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--disable_query_log
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--disable_result_log
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CREATE TABLE t_comp(i INT PRIMARY KEY) ENGINE INNODB ROW_FORMAT=COMPRESSED;
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--enable_query_log
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--enable_result_log
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}
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BEGIN;
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INSERT INTO t VALUES(2);
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connect (con1,localhost,root,,);
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SET GLOBAL innodb_flush_log_at_trx_commit = 1;
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INSERT INTO t VALUES(1);
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echo # Create full backup , modify table, then create incremental/differential backup;
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--disable_result_log
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exec $XTRABACKUP --defaults-file=$MYSQLTEST_VARDIR/my.cnf --backup --parallel=10 --target-dir=$basedir --throttle=1000;
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--enable_result_log
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BEGIN;
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INSERT INTO t VALUES(0);
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DELETE FROM t WHERE i=0;
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connection default;
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COMMIT;
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--echo # Generate enough aria log records to increase area log file size
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--disable_query_log
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--disable_result_log
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INSERT INTO t_aria VALUES
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(0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
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(0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
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(0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
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(0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
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(0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
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(0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
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(0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
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(0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
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(0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
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(0), (1), (2), (3), (4), (5), (6), (7), (8), (9);
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--let $i = 4
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while ($i) {
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INSERT INTO t_aria SELECT * FROM seq_1_to_2000;
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--dec $i
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}
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--enable_query_log
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--enable_result_log
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SELECT * FROM t;
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# wf_incremental_init() allocates (page_size/4)*page_size bytes with mmap()
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# in each data file copy thread, what can fail on 32-bit platforms if threads
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# are too much, that's why don't set too big --parallel option value.
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exec $XTRABACKUP --defaults-file=$MYSQLTEST_VARDIR/my.cnf --backup --parallel=2 --ftwrl-wait-timeout=5 --ftwrl-wait-threshold=300 --ftwrl-wait-query-type=all --target-dir=$incremental_dir --incremental-basedir=$basedir;
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--disable_result_log
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echo # Prepare full backup, apply incremental one;
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exec $XTRABACKUP --prepare --target-dir=$basedir;
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exec $XTRABACKUP --prepare --target-dir=$basedir --incremental-dir=$incremental_dir ;
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let perl_result_file=$MYSQLTEST_VARDIR/tmp/check_file_size_result.inc;
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--perl END_OF_FILE
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use strict;
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use warnings;
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my $dst_file = "$ENV{'basedir'}/aria_log.00000001";
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my $src_file = "$ENV{'incremental_dir'}/aria_log.00000001";
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my $out_file = $ENV{'perl_result_file'};
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my $dst_size = -s $dst_file;
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my $src_size = -s $src_file;
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open (my $output, '>', $out_file) or die $!;
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if ($dst_size >= $src_size) {
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print $output '--echo # Aria log file was updated during applying incremental backup'."\n";
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}
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else {
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print $output '--echo # Aria log file was NOT updated during applying incremental backup'."\n";
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}
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close $output;
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END_OF_FILE
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--source $perl_result_file
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--remove_file $perl_result_file
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disconnect con1;
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echo # Restore and check results;
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let $targetdir=$basedir;
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-- source include/restart_and_restore.inc
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--enable_result_log
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SELECT * FROM t;
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DROP TABLE t;
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if ($test_comp) {
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--disable_query_log
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--disable_result_log
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DROP TABLE t_comp;
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--enable_query_log
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--enable_result_log
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}
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DROP TABLE t_aria;
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# Cleanup
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rmdir $basedir;
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rmdir $incremental_dir;
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