本帖最后由 wrh 于 2025-8-11 17:05 编辑 我的库版本是:Server version: 8.0.32-26 GreatSQL (GPL), Release 26 其中慢查询参数如下: mysql> show variables like '%slow%'; +-----------------------------------+---------------+ | Variable_name | Value | +-----------------------------------+---------------+ | log_slow_admin_statements | OFF | | log_slow_extra | OFF | | log_slow_filter | | | log_slow_rate_limit | 1 | | log_slow_rate_type | session | | log_slow_replica_statements | ON | | log_slow_slave_statements | ON | | log_slow_sp_statements | ON | | log_slow_verbosity | | | max_slowlog_files | 0 | | max_slowlog_size | 0 | | slow_launch_time | 2 | | slow_query_log | ON | | slow_query_log_always_write_time | 10.000000 | | slow_query_log_file | /tmp/slow.log | | slow_query_log_use_global_control | | +-----------------------------------+---------------+ 16 rows in set (0.02 sec) mysql> show variables like '%long_query%'; +-----------------+-----------+ | Variable_name | Value | +-----------------+-----------+ | long_query_time | 10.000000 | +-----------------+-----------+ 1 row in set (0.01 sec) 我设置的long_query_time =10,应该日志里面记录的应该是大于10秒的查询被记录,为什么日志里面只有几微妙也会被记录? 记录的信息:# Query_time: 0.004923 Lock_time: 0.000001 Rows_sent: 21 Rows_examined: 6137 Rows_affected: 0 Bytes_sent: 1682 按照里面写法,应该Query_time才4微妙吧? 是我那里理解有问题吗?有大佬知道吗 |
yejr
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