MySQL 5.7 to 8 Upgrade Fail | Data Dictionary initialization failed

[Vinod Parmar]

Hi ,

I am working on MySQL In-Place upgrade (used installer) ,from MysQL 5.7.21 CS to MySQL 8.0.11 CS on Windows Server 2008 R2 .

After in place upgrade MySQL service is not starting. Below is content from errorlog.


2018-05-22T10:41:06.812500Z 0 [System] [MY-010116] [Server] C:\Program Files\MySQL\MySQL Server 5.7\bin\mysqld.exe (mysqld 8.0.11) starting as process 2572
2018-05-22T10:42:48.714062Z 0 [Warning] [MY-011071] [Server] option 'read_buffer_size': unsigned value 0 adjusted to 8192
2018-05-22T10:42:48.714062Z 0 [Warning] [MY-011071] [Server] option 'read_rnd_buffer_size': unsigned value 0 adjusted to 1
2018-05-22T10:42:48.714062Z 0 [Warning] [MY-010915] [Server] 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
2018-05-22T10:42:48.714062Z 0 [System] [MY-010116] [Server] C:\Program Files\MySQL\MySQL Server 5.7\bin\mysqld.exe (mysqld 8.0.11) starting as process 1132
2018-05-22T10:42:55.210937Z 1 [ERROR] [MY-011014] [Server] Found partially upgraded DD. Aborting upgrade and deleting all DD tables. Start the upgrade process again.
2018-05-22T10:42:59.099210Z 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2018-05-22T10:42:59.099210Z 0 [ERROR] [MY-010119] [Server] Aborting
2018-05-22T10:43:00.630611Z 0 [System] [MY-010910] [Server] C:\Program Files\MySQL\MySQL Server 5.7\bin\mysqld.exe: Shutdown complete (mysqld 8.0.11) MySQL Community Server - GPL.


Below is current my.ini file.

[client]
port=3306

[mysql]
no-beep

[mysqld]
port=3306
basedir=C:/Program Files/MySQL/MySQL Server 5.7
datadir=E:/ProgramData/MySQL/MySQL Server 5.7/Data
default_authentication_plugin=mysql_native_password
default-storage-engine=INNODB
sql-mode="STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION"
log-output=FILE
general-log=0
general_log_file="WIN-QAJ7PLNGBGO.log"
secure-file-priv="C:/ProgramData/MySQL/MySQL Server 8.0/Uploads"
max_connections=151
table_open_cache=2000
tmp_table_size=14M
thread_cache_size=10
myisam_max_sort_file_size=100G
myisam_sort_buffer_size=8M
key_buffer_size=8M
read_buffer_size=0
read_rnd_buffer_size=0
innodb_data_home_dir="E:/MySQL Datafiles"
innodb_flush_log_at_trx_commit=1
innodb_log_buffer_size=1M
innodb_buffer_pool_size=8M
innodb_log_file_size=48M
innodb_thread_concurrency=8
innodb_autoextend_increment=64
innodb_buffer_pool_instances=8
innodb_concurrency_tickets=5000
innodb_old_blocks_time=1000
innodb_open_files=300
innodb_stats_on_metadata=0
#innodb_file_per_table=1
innodb_checksum_algorithm=0
back_log=80
flush_time=0
join_buffer_size=256K
max_allowed_packet=4M
max_connect_errors=100
open_files_limit=4161
sort_buffer_size=256K
table_definition_cache=1400
binlog_row_event_max_size=8K
sync_master_info=1000
sync_relay_log=10000
sync_relay_log_info=10000


server_id=20
log-bin="mysql-bin"
tmpdir="E:\MySQL Tmp Tables\"
sync_binlog=1
binlog_format=MIXED
log_error="E:/MySQL Logs/error.log"
slow_query_log=1
slow_query_log_file="E:/MySQL Logs/slowqueries.log"
log-output=NONE
long_query_time=0.25
max_allowed_packet=4M
wait_timeout=900
interactive_timeout=900
max_heap_table_size=512M
#query_cache_type=0
innodb_io_capacity=10000
innodb_thread_sleep_delay=2000
innodb_read_io_threads=16
innodb_write_io_threads=16
innodb_stats_on_metadata=0
back_log=5000
flush_time=0
max_connect_errors=100000
#log_warnings=1
log_error_verbosity=2
table_definition_cache=30000
table_open_cache=15000
autocommit=0
default_authentication_plugin=mysql_native_password

Need some advise here .