# Summarize 연산자

## 개요

다음과 함께 집계 결과를 확인합니다 `요약`.

```kusto
| summarize [[<dest>=]aggregation[, ...]] by [<dest>=]<expression>[, ...] 
```

다음을 포함한 많은 집계를 지원합니다:

* [`agg.avg()`](https://docs.panther.com/ko/pantherflow/operators/pages/c558177b40b82223aa5247e48b550d9e8e0ee9b1#agg.avg)
* [`agg.count()`](https://docs.panther.com/ko/pantherflow/operators/pages/c558177b40b82223aa5247e48b550d9e8e0ee9b1#agg.count)
* [`agg.count_distinct()`](https://docs.panther.com/ko/pantherflow/operators/pages/c558177b40b82223aa5247e48b550d9e8e0ee9b1#agg.count_distinct)
* [`agg.make_set()`](https://docs.panther.com/ko/pantherflow/operators/pages/c558177b40b82223aa5247e48b550d9e8e0ee9b1#agg.make_set)
* [`agg.max()`](https://docs.panther.com/ko/pantherflow/operators/pages/c558177b40b82223aa5247e48b550d9e8e0ee9b1#agg.max)
* [`agg.min()`](https://docs.panther.com/ko/pantherflow/operators/pages/c558177b40b82223aa5247e48b550d9e8e0ee9b1#agg.min)
* [`agg.percentile_cont()`](https://docs.panther.com/ko/pantherflow/operators/pages/c558177b40b82223aa5247e48b550d9e8e0ee9b1#agg.percentile_cont)
* [`agg.stddev()`](https://docs.panther.com/ko/pantherflow/operators/pages/c558177b40b82223aa5247e48b550d9e8e0ee9b1#agg.stddev)
* [`agg.sum()`](https://docs.panther.com/ko/pantherflow/operators/pages/c558177b40b82223aa5247e48b550d9e8e0ee9b1#agg.sum)
* [`agg.take_any()`](https://docs.panther.com/ko/pantherflow/operators/pages/c558177b40b82223aa5247e48b550d9e8e0ee9b1#agg.take_any)

사용 가능한 집계의 전체 목록은 다음에서 확인하세요 [집계 함수](/ko/pantherflow/functions/aggregation.md).

## 예시

### 개수

다음 쿼리는 필드에 저장된 지난 하루 동안의 모든 이벤트 수를 표시합니다 `num_connections`:

```kusto
panther_logs.public.aws_alb
| where p_event_time > time.ago(1d)
| summarize num_connections=agg.count()
```

| num\_connections |
| ---------------- |
| 993              |

### 단일 필드별 그룹 개수

다음 쿼리는 각 항목에 대한 연결 수를 계산합니다 `clientIp` 그리고 연결 수가 가장 많은 순서대로 결과를 정렬합니다:

```kusto
panther_logs.public.aws_alb
| where p_event_time > time.ago(1d)
| summarize num_connections=agg.count() by clientIp
| sort num_connections
```

| clientIp     | num\_connections |
| ------------ | ---------------- |
| 192.167.7.55 | 979              |
| 10.145.4.26  | 130              |
| 10.99.231.15 | 31               |
| ...          |                  |

### 여러 필드별 그룹 개수

다음 쿼리는 다음을 표시합니다 `num_connections` 다음 두 항목으로 그룹화된 `clientIp` 및 `clientPort` fields:

```kusto
panther_logs.public.aws_alb
| where p_event_time > time.ago(1d)
| summarize num_connections=agg.count() by clientIp, clientPort
| sort num_connections
```

| clientIp     | clientPort | num\_connections |
| ------------ | ---------- | ---------------- |
| 192.167.7.55 | 50160      | 7                |
| 10.145.4.26  | 63335      | 5                |
| 10.145.4.26  | 60845      | 4                |
| 192.167.7.55 | 52138      | 4                |
| 10.99.231.15 | 58704      | 3                |
| …            |            |                  |

### 임의의 표현식별 그룹 개수

```kusto
panther_logs.public.aws_alb
| where p_event_time > time.ago(1d)
| summarize num_connections=agg.count() by isOK = elbStatusCode == 200
| sort num_connections
```

| isOK  | num\_connections |
| ----- | ---------------- |
| true  | 1114             |
| false | 324              |

### 고유 개수

아래 쿼리는 다음의 고유한 개수를 저장합니다 `clientIp`s를 `num_distinct_clients`:

```kusto
panther_logs.public.aws_alb
| where p_event_time > time.ago(1d)
| summarize num_distinct_clients=agg.count_distinct(clientIp)
```

| num\_distinct\_clients |
| ---------------------- |
| 121                    |

### 나중에 집계를 참조하기

이후 쿼리 표현식에서 집계를 참조할 수 있습니다:

```kusto
panther_logs.public.aws_alb
| where p_event_time > time.ago(1d)
| summarize num_connections=agg.count() by clientIp, clientPort
| where num_connections >= 5
```

| clientIp     | clientPort | num\_connections |
| ------------ | ---------- | ---------------- |
| 192.167.7.55 | 50160      | 7                |
| 10.145.4.26  | 63335      | 5                |
| ...          |            |                  |

### 필드별 요약(집계 없음)

아래 쿼리는 각 고유한 `userAgent`:

```kusto
panther_logs.public.aws_alb
| where p_event_time > time.ago(1d)
| summarize by userAgent
```

| userAgent                                                                                                                              |
| -------------------------------------------------------------------------------------------------------------------------------------- |
| Mozilla/5.0 (X11; Linux x86\_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36                              |
| curl/8.1.2                                                                                                                             |
| Mozilla/5.0 (Linux; Android 7.0; LG-H918 Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Mobile Safari/537.36 |
| …                                                                                                                                      |


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