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Assertion failure
Posted by: ludovic lugo
Date: December 20, 2021 04:40AM

Hi
I have all my servers with latest version of mysql 8.0.27 and cpanel, sometimes when i try to import a sql file from another server sometimes it crashes mysql when creating the indexes and adding keys, the error log sais:

2021-12-20T09:57:09.649680Z 0 [ERROR] [MY-013183] [InnoDB] Assertion failure: ddl0builder.cc:1495:n >= IO_BLOCK_SIZE thread 140505506866944

In older versions this was a bug and as i understand it should be fixed in mysql 8.

my.cnf file is:

[mysqld]
performance-schema=0
key_buffer_size = 384M
connect_timeout=30
table_open_cache=1024
sort_buffer_size = 2M
read_buffer_size = 2M
read_rnd_buffer_size = 8M
myisam_sort_buffer_size = 64M
thread_cache_size = 100
max_connections=1000
max_user_connections=500
max_allowed_packet = 1G
open_files_limit=100000
default-storage-engine=InnoDB
innodb_file_per_table=1
wait_timeout = 60
interactive_timeout=60
lock_wait_timeout = 60
innodb_buffer_pool_size = 64G
innodb_buffer_pool_instances = 65
join_buffer_size=8M
sql_mode="NO_ENGINE_SUBSTITUTION"
default-authentication-plugin=mysql_native_password
collation-server = utf8_unicode_ci
character-set-server = utf8
disable-log-bin=1
innodb_log_file_size = 8G
[mysqldump]
quick
max_allowed_packet = 1G

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 350M
read_buffer = 4M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout

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