我正在尝试upgrade mysql进入xamp。我正在使用laravelwhich 需要mariaDB v10.2.2. 所以我latest msi package从mariaDB website. 现在我按照以下几点进行安装：
- 将 MySQL 安装到 C:\TEMP。
- 将旧的安装文件夹制作成 mysql_old。
- 将以下文件夹“bin、include、lib、share、support-files”复制到 xamp\mysql\ 文件夹。我没有复制数据文件夹
- 将 my.ini 文件从旧安装复制到 xamp\mysql\bin\ 文件夹中的新安装
- 将旧数据文件夹复制到新的 mysql 文件夹
现在这样做之后，我尝试从控制面板启动 mysql 并显示以下错误：
现在在检查错误日志时我发现了这个：
2017-02-25 12:31:56 5736 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2017-02-25 12:31:56 5736 [Note] InnoDB: Uses event mutexes
2017-02-25 12:31:56 5736 [Note] InnoDB: Compressed tables use zlib 1.2.3
2017-02-25 12:31:56 5736 [Note] InnoDB: Number of pools: 1
2017-02-25 12:31:56 5736 [Note] InnoDB: Using generic crc32 instructions
2017-02-25 12:31:56 5736 [Note] InnoDB: Initializing buffer pool, total size = 16M, instances = 1, chunk size = 16M
2017-02-25 12:31:56 5736 [Note] InnoDB: Completed initialization of buffer pool
2017-02-25 12:31:56 5736 [Note] InnoDB: Highest supported file format is Barracuda.
2017-02-25 12:31:56 5736 [Note] InnoDB: Creating shared tablespace for temporary tables
2017-02-25 12:31:56 5736 [Note] InnoDB: Setting file 'F:\xamp\mysql\data\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2017-02-25 12:31:57 5736 [Note] InnoDB: File 'F:\xamp\mysql\data\ibtmp1' size is now 12 MB.
2017-02-25 12:31:57 5736 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active.
2017-02-25 12:31:57 5736 [Note] InnoDB: 32 non-redo rollback segment(s) are active.
2017-02-25 12:31:57 5736 [Note] InnoDB: Waiting for purge to start
2017-02-25 12:31:57 5736 [Note] InnoDB: 5.7.14 started; log sequence number 2361919
2017-02-25 12:31:57 11468 [Note] InnoDB: Loading buffer pool(s) from F:\xamp\mysql\data\ib_buffer_pool
2017-02-25 12:31:57 11468 [Note] InnoDB: Buffer pool(s) load completed at 170225 12:31:57
2017-02-25 12:31:57 5736 [Note] Plugin 'FEEDBACK' is disabled.
2017-02-25 12:31:57 5736 [ERROR] f:\xamp\mysql\bin\mysqld.exe: unknown variable 'innodb_additional_mem_pool_size=2M'
2017-02-25 12:31:57 5736 [ERROR] Aborting
下面是 my.ini 文件：
# Example MySQL config file for small systems.
#
# This is for a system with little memory (<= 64M) where MySQL is only used
# from time to time and it's important that the mysqld daemon
# doesn't use much resources.
#
# You can copy this file to
# F:/xamp/mysql/bin/my.cnf to set global options,
# mysql-data-dir/my.cnf to set server-specific options (in this
# installation this directory is F:/xamp/mysql/data) or
# ~/.my.cnf to set user-specific options.
#
# In this file, you can use all long options that a program supports.
# If you want to know which options a program supports, run the program
# with the "--help" option.
# The following options will be passed to all MySQL clients
[client]
# password = your_password
port = 3306
socket = "F:/xamp/mysql/mysql.sock"
# Here follows entries for some specific programs
# The MySQL server
[mysqld]
port= 3306
socket = "F:/xamp/mysql/mysql.sock"
basedir = "F:/xamp/mysql"
tmpdir = "F:/xamp/tmp"
datadir = "F:/xamp/mysql/data"
pid_file = "mysql.pid"
# enable-named-pipe
key_buffer = 16M
max_allowed_packet = 1M
sort_buffer_size = 512K
net_buffer_length = 8K
read_buffer_size = 256K
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 8M
log_error = "mysql_error.log"
# Change here for bind listening
# bind-address="127.0.0.1"
# bind-address = ::1 # for ipv6
# Where do all the plugins live
plugin_dir = "F:/xamp/mysql/lib/plugin/"
# Don't listen on a TCP/IP port at all. This can be a security enhancement,
# if all processes that need to connect to mysqld run on the same host.
# All interaction with mysqld must be made via Unix sockets or named pipes.
# Note that using this option without enabling named pipes on Windows
# (via the "enable-named-pipe" option) will render mysqld useless!
#
# commented in by lampp security
#skip-networking
#skip-federated
# Replication Master Server (default)
# binary logging is required for replication
# log-bin deactivated by default since XAMPP 1.4.11
#log-bin=mysql-bin
# required unique id between 1 and 2^32 - 1
# defaults to 1 if master-host is not set
# but will not function as a master if omitted
server-id = 1
# Replication Slave (comment out master section to use this)
#
# To configure this host as a replication slave, you can choose between
# two methods :
#
# 1) Use the CHANGE MASTER TO command (fully described in our manual) -
# the syntax is:
#
# CHANGE MASTER TO MASTER_HOST=<host>, MASTER_PORT=<port>,
# MASTER_USER=<user>, MASTER_PASSWORD=<password> ;
#
# where you replace <host>, <user>, <password> by quoted strings and
# <port> by the master's port number (3306 by default).
#
# Example:
#
# CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306,
# MASTER_USER='joe', MASTER_PASSWORD='secret';
#
# OR
#
# 2) Set the variables below. However, in case you choose this method, then
# start replication for the first time (even unsuccessfully, for example
# if you mistyped the password in master-password and the slave fails to
# connect), the slave will create a master.info file, and any later
# change in this file to the variables' values below will be ignored and
# overridden by the content of the master.info file, unless you shutdown
# the slave server, delete master.info and restart the slaver server.
# For that reason, you may want to leave the lines below untouched
# (commented) and instead use CHANGE MASTER TO (see above)
#
# required unique id between 2 and 2^32 - 1
# (and different from the master)
# defaults to 2 if master-host is set
# but will not function as a slave if omitted
#server-id = 2
#
# The replication master for this slave - required
#master-host = <hostname>
#
# The username the slave will use for authentication when connecting
# to the master - required
#master-user = <username>
#
# The password the slave will authenticate with when connecting to
# the master - required
#master-password = <password>
#
# The port the master is listening on.
# optional - defaults to 3306
#master-port = <port>
#
# binary logging - not required for slaves, but recommended
#log-bin=mysql-bin
# Point the following paths to different dedicated disks
#tmpdir = "F:/xamp/tmp"
#log-update = /path-to-dedicated-directory/hostname
# Uncomment the following if you are using BDB tables
#bdb_cache_size = 4M
#bdb_max_lock = 10000
# Comment the following if you are using InnoDB tables
#skip-innodb
innodb_data_home_dir = "F:/xamp/mysql/data"
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = "F:/xamp/mysql/data"
#innodb_log_arch_dir = "F:/xamp/mysql/data"
## You can set .._buffer_pool_size up to 50 - 80 %
## of RAM but beware of setting memory usage too high
innodb_buffer_pool_size = 16M
innodb_additional_mem_pool_size = 2M
## Set .._log_file_size to 25 % of buffer pool size
innodb_log_file_size = 5M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
## UTF 8 Settings
#init-connect=\'SET NAMES utf8\'
#collation_server=utf8_unicode_ci
#character_set_server=utf8
#skip-character-set-client-handshake
#character_sets-dir="F:/xamp/mysql/share/charsets"
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates
[isamchk]
key_buffer = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M
[myisamchk]
key_buffer = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
请看看我是否做错了什么。