mysql Errcode: 24 - Too many open files
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在对库的每个表进行按天分区过程中出现以下问题
Out of resources when opening file './CountersBackup_changzhou/DC_E_ERBS_EUTRANCELLTDD_V_HOUR_ERBS#P#p195.MYD' (Errcode: 24 - Too many open files)
原因:生成的文件超出了mysql中的open_files_limit的默认值
my.cnf里如果配置了open_files_limit,则open_files_limit最后取值为 配置文件 open_files_limit,max_connections*5, wanted_files= 10+max_connections+table_cache_size*2 三者中的最大值。
如果my.cnf里如果没配置open_files_limit,则open_files_limit最后取值为max_connections*5,10+max_connections+table_cache_size*2,ulimit -n中的最大者
解决办法:
修改my.conf,增加 open_files_limit=100000 取值尽量比生成的最大文件数大
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