trying to recover innodb table from ibd file (576kb). this is the exact steps i do:
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getting create table query using mysqlfrm command
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create the table
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Alter Table discard tablespace
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moving the new tablespace to the db directory
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Alter Table import tablespace;
and i'm getting this error after minutes:
ERROR 2013 (HY000): Lost connection to MySQL server during query
My current SQL configuration:
# 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 # C:/xampp/mysql/bin/my.cnf to set global options, # mysql-data-dir/my.cnf to set server-specific options (in this # installation this directory is C:/xampp/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="C:/xampp/mysql/mysql.sock" # Here follows entries for some specific programs # The MySQL server default-character-set=utf8mb4 [mysqld] port=3306 socket="C:/xampp/mysql/mysql.sock" basedir="C:/xampp/mysql" tmpdir="C:/xampp/tmp" datadir="C:/xampp/mysql/data" pid_file="mysql.pid" # enable-named-pipe key_buffer=16M max_allowed_packet=16M sort_buffer_size=512K net_buffer_length=8K read_buffer_size=131072K 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="C:/xampp/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 = "C:/xampp/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="C:/xampp/mysql/data" innodb_data_file_path=ibdata1:10M:autoextend innodb_log_group_home_dir="C:/xampp/mysql/data" #innodb_log_arch_dir = "C:/xampp/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=600M ## Set .._log_file_size to 25 % of buffer pool size innodb_log_file_size=600M innodb_log_buffer_size=600M innodb_flush_log_at_trx_commit=5 innodb_lock_wait_timeout=600 wait_timeout=600 innodb_file_per_table=5 ## 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="C:/xampp/mysql/share/charsets" sql_mode=NO_ZERO_IN_DATE,NO_ZERO_DATE,NO_ENGINE_SUBSTITUTION log_bin_trust_function_creators=1 character-set-server=utf8mb4 collation-server=utf8mb4_general_ci [mysqldump] max_allowed_packet=600M [mysql] # 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] 
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