# Expensive Query

```
[2020/02/05 15:32:25.096 +08:00] [WARN] ~!@[expensivequery.go:167]@!~ [expensive_query] [cost_time=60.008338935s] [wait_time=0s] [request_count=1] [total_keys=70] [process_keys=65] [num_cop_tasks=1] [process_avg_time=0s] [process_p90_time=0s] [process_max_time=0s] [process_max_addr=10.0.1.9:20160] [wait_avg_time=0.002s] [wait_p90_time=0.002s] [wait_max_time=0.002s] [wait_max_addr=10.0.1.9:20160] [stats=t:pseudo] [conn_id=60026] [user=root] [database=test] [table_ids="[122]"] [txn_start_ts=414420273735139329] [mem_max="1035 Bytes (1.0107421875 KB)"] [sql="insert into t select sleep(1) from t"]
```

日志输出时的语句内存使用量