1. slowlog-log-slower-than指定执行时间超过多少微妙的命令请求会被记录到日志上
2. slowlog-max-len 选项指定服务器最多保存多少条慢查询日志
在redis服务器状态中包含了这几个和慢查询日志功能有关的属性
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- struct redisServer{
- //...
- // 下一条慢查询日志的id
- long loong slowlog_entry_id;
- // 保存了所有慢查询日志的链表
- list *slowlog;
- long long slowlog_log_slower_than;
- unsigned long slowlog_max_len;
- };
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- typedef struct slowlogEntry {
- robj **argv;
- int argc;
- long long id; /* Unique entry identifier. */
- long long duration; /* Time spent by the query, in microseconds. */
- time_t time; /* Unix time at which the query was executed. */
- sds cname; /* Client name. */
- sds peerid; /* Client network address. */
- } slowlogEntry;