[英]what is wrong with my my.cnf file
我試圖啟用slow_query_log。 我已經使用WinSCP從服務器下載了my.cnf文件,並添加了用於啟用slow_query_log的代碼。
slow_query_log = ON
slow_query_log_file = /var/log/mysql_slow.log
當我重新啟動服務器時,我收到此錯誤, mysql has failed, please contact the sysadmin (result was "mysql is not running").
在這里,我將我的my.cnf文件我曾嘗試與slow_query_log = 1
也。 但是得到同樣的錯誤。 當我刪除我添加的代碼時,錯誤消失了。 任何人請幫助我...
my.cnf
[mysqld]
datadir=/home/mysql/
tmpdir=/home/mysqltmp
#max_connections = 175 #was 175
max_connections = 80
#max_connect_errors = 350 #was 250
max_connect_errors = 250
safe-show-database
skip-locking
key_buffer = 1024M # was 128M
max_allowed_packet = 6M
myisam_sort_buffer_size = 64M
#old settings, for 900 ish max maxconn
#sort_buffer_size = 32M
#read_buffer_size = 32M
#read_rnd_buffer_size = 32M
sort_buffer_size = 5M
read_buffer_size = 5M
read_rnd_buffer_size = 5M
query_cache_size= 1024M
query_cache_limit= 16M
max_heap_table_size = 128M
tmp_table_size = 128M
thread_concurrency = 16
wait_timeout = 10
innodb_file_per_table
innodb_log_file_size = 10485760
open_files_limit = 8192
low_priority_updates = 1
slow_query_log = ON
slow_query_log_file = /var/log/mysql_slow.log
# who set these? these are NOT memory settings, but rather integer settings.
#table_cache = 1024M
#thread_cache_size = 8M
table_cache = 512
thread_cache_size = 8
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
[isamchk]
key_buffer = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M
[myisamchk]
key_buffer = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M
檢查所有權mysql.mysql和權限對文件/var/log/mysql_slow.log
ls -al /var/log/mysql_slow.log
在/ var / log中創建文件mysql_slow.log並更改文件的所有者:
chown mysql.mysql -R /var/log/mysql_slow.log
值(1或ON)應適用於慢查詢日志。
另外,您是否使用常規語句?
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