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10.2 9bf424bc
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2019-08-30 1:12:28 140084597409600 [Note] InnoDB: Highest supported file format is Barracuda.
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2019-08-30 1:12:29 140084597409600 [Note] InnoDB: Encrypting redo log: 1*524288000 bytes; LSN=1656361
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mysqld: /data/src/10.2/storage/innobase/srv/srv0start.cc:1432: lsn_t srv_prepare_to_delete_redo_log_files(ulint): Assertion `flushed_lsn == log_get_lsn()' failed.
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190830 1:12:29 [ERROR] mysqld got signal 6 ;
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#3 <signal handler called>
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#4 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
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#5 0x00007f67fab2742a in __GI_abort () at abort.c:89
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#6 0x00007f67fab1ee67 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x55e58b010ff4 "flushed_lsn == log_get_lsn()", file=file@entry=0x55e58b010520 "/data/src/10.2/storage/innobase/srv/srv0start.cc", line=line@entry=1432, function=function@entry=0x55e58b012ca0 <srv_prepare_to_delete_redo_log_files(unsigned long)::__PRETTY_FUNCTION__> "lsn_t srv_prepare_to_delete_redo_log_files(ulint)") at assert.c:92
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#7 0x00007f67fab1ef12 in __GI___assert_fail (assertion=0x55e58b010ff4 "flushed_lsn == log_get_lsn()", file=0x55e58b010520 "/data/src/10.2/storage/innobase/srv/srv0start.cc", line=1432, function=0x55e58b012ca0 <srv_prepare_to_delete_redo_log_files(unsigned long)::__PRETTY_FUNCTION__> "lsn_t srv_prepare_to_delete_redo_log_files(ulint)") at assert.c:101
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#8 0x000055e58aa0a0e4 in srv_prepare_to_delete_redo_log_files (n_files=1) at /data/src/10.2/storage/innobase/srv/srv0start.cc:1432
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#9 0x000055e58aa0c999 in innobase_start_or_create_for_mysql () at /data/src/10.2/storage/innobase/srv/srv0start.cc:2381
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#10 0x000055e58a853675 in innobase_init (p=0x55e58cfe2940) at /data/src/10.2/storage/innobase/handler/ha_innodb.cc:4371
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#11 0x000055e58a64cc1b in ha_initialize_handlerton (plugin=0x55e58cfb6678) at /data/src/10.2/sql/handler.cc:555
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#12 0x000055e58a3e5d64 in plugin_initialize (tmp_root=0x7ffddebb4450, plugin=0x55e58cfb6678, argc=0x55e58b93e928 <remaining_argc>, argv=0x55e58cf51b90, options_only=false) at /data/src/10.2/sql/sql_plugin.cc:1417
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#13 0x000055e58a3e6986 in plugin_init (argc=0x55e58b93e928 <remaining_argc>, argv=0x55e58cf51b90, flags=2) at /data/src/10.2/sql/sql_plugin.cc:1698
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#14 0x000055e58a2ef7bb in init_server_components () at /data/src/10.2/sql/mysqld.cc:5335
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#15 0x000055e58a2f08a5 in mysqld_main (argc=36, argv=0x55e58cf51b90) at /data/src/10.2/sql/mysqld.cc:5931
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#16 0x000055e58a2e57b0 in main (argc=30, argv=0x7ffddebb51e8) at /data/src/10.2/sql/main.cc:25
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Reproducing doesn't require any inflow on the server. It happens randomly, quite rarely, upon server startup right after bootstrap, it's enough to run bootstrap-startup in a loop with given options for a long enough time (hours). I use this crude script for that, but it can really be anything, as long as the server started with the right options. Scrubbing is important, but also on some reason innodb_log_files_in_group (or possibly some other InnoDB log options) – maybe resizing redo log is essential for the scenario.
Unfortunately, I don't know how to make it any faster / more probable.
if [ -n "$1" ] ; then
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port=$1
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else
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port=8307
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fi
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while [ true ] ; do
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rm -rf data data.bootstrap tmp
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mkdir data
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mkdir tmp
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|
echo `date` "Running bootstrap..."
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scripts/mysql_install_db --no-defaults --basedir=`pwd` --lc-messages-dir=`pwd`/share --character-sets-dir=`pwd`/share/charsets --tmpdir=`pwd`/tmp --datadir=`pwd`/data --innodb_log_files_in_group=1 > `pwd`/boot.log 2>&1
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|
cp -r data data.bootstrap
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|
echo `date` "Starting server on port $port..."
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`pwd`/bin/mysqld --no-defaults --basedir=`pwd` --lc-messages-dir=`pwd`/share --character-sets-dir=`pwd`/share/charsets --tmpdir=`pwd`/tmp --core-file --datadir=`pwd`/data --port=$port --socket=`pwd`/mysql.sock --pid-file=`pwd`/mysql.pid --innodb-encryption-threads=4 --loose-innodb_scrub_log=ON --log-error=`pwd`/mysql.err &
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|
res=1;
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echo `date` "Waiting for the server to start..."
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for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ; do
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sleep 1
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`pwd`/bin/mysqladmin -uroot --socket=`pwd`/mysql.sock ping 2>/dev/null
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# `pwd`/bin/mysqladmin --socket=`pwd`/mysql.sock ping 2>/dev/null
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if [ $? == 0 ] ; then
|
echo "Success"
|
res=0
|
break
|
fi
|
done
|
if [ $res == 1 ] ; then
|
echo `date` "Failed to start the server"
|
break
|
fi
|
echo `date` "Trying to shut down the server..."
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`pwd`/bin/mysql -uroot --socket=`pwd`/mysql.sock -e shutdown 2>/dev/null
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# `pwd`/bin/mysql --socket=`pwd`/mysql.sock -e shutdown 2>/dev/null
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if [ $? != 0 ] ; then
|
echo `date` "Shut down failed on some reason"
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break
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else
|
echo `date` "Success"
|
fi
|
fg
|
done
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The problem happens interchangeably with MDEV-18370 and MDEV-20474, they're likely to be related.
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