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In ServiceWatch, you can set threshold criteria for the metrics to be monitored and create and manage log groups so that an alarm notification is generated when the specified conditions are met.

Create Log Group

You can create a log group for the metric. To create a log group, follow these steps.

1. Click the All Services > Management > ServiceWatch menu. 1. Navigate to the Service Home page.

2. On the Service Home page, click the Log > Log Group menu. 2. Navigate to the Log Group List page.

3. On the Log Group List page, click the Create Log Group button. 3. Navigate to the Create Log Group page.

4. Enter the basic information and tag information required to create a log group.

   Category	Required	Detailed description
   Log group name	required	Enter the name of the log group to monitor in ServiceWatch using English letters, numbers, and special characters (-_./#) within 3 ~ 512 characters
   Log retention policy	required	Select the retention period for monitored log data
   tag	Select	Add tag information Up to 50 tags can be added per resource When adding a tag, if you enter the Key and Value, you can select from the list of Keys and Values of previously created tags

   Table. Log group creation items

5. After reviewing the summary information, click the Create button. 5. A popup window notifying the creation of a log group opens.

6. Click the Confirm button. 6. Log group creation is complete.

View detailed log group information

You can view and manage detailed information about log groups.

To view detailed information about a log group, follow these steps.

1. All Services > Management > ServiceWatch Click the menu. 1. Go to the Service Home page.
2. On the Service Home page, click the Log > Log Group menu. 2. Navigate to the Log Group List page.
3. On the Log Group List page, click the log group name to view detailed information. 3. Navigate to the Log Group Details page.

   Category	Detailed description
   Log group status	Log group status Active: The log group is active Inactive: The log group is inactive
   Export Log Group	Store log group log data in Object Storage For detailed information about log group export, see 로그 그룹 내보내기
   Delete log group	Delete the corresponding log group
   Information Classification Tab	Information tabs for the log group Details, log streams, tags, operation history Click each tab to view the corresponding information

   Table. Log group detailed items

   Reference

   On the Log Group List page, click the More > Export Log Group button to export the data for the log group that will be stored in Object Storage.

Detailed Information

On the Log Group List page, you can view the basic information of the selected log group and its log group details.

log stream

You can view the log streams of the log group selected on the Log Group List page.

Log pattern

You can view the log pattern of the selected log group on the Log Group List page.

tag

Log Group List page allows you to view the tag information of the selected log group, and you can add, modify, or delete it.

Job History

Log Group List page lets you view the operation history of the selected log group.

Managing Log Streams

You can create and manage log streams.

Create Log Stream

You can create a new log stream in a log group. To create a Hog stream, follow the steps below.

1. All Services > Management > ServiceWatch Click the menu. 1. Navigate to the Service Home page.
2. On the Service Home page, click the Log > Log Group menu. 2. Navigate to the Log Group List page.
3. On the Log Group List page, click the log group name for which you want to create a log stream. 3. Navigate to the Log Group Details page.
4. On the Log Group Details page, click the Log Stream tab. 4. The log stream list is displayed.
5. Click the Create Log Stream button. 5. Log Stream Creation A popup window opens.
6. After entering the Log stream name, click the Create button. 6. Log stream creation is complete.
   • Enter the name using English letters and numbers, within 3 ~ 512 characters.

Check detailed log stream information

You can view and manage detailed information about log streams. To view detailed information about the log stream, follow these steps.

1. All Services > Management > ServiceWatch Click the menu. 1. Navigate to the Service Home page.
2. On the Service Home page, click the Log > Log Group menu. 2. Navigate to the Log Group List page.
3. Log Group List page, click the log group name to view its detailed information. 3. Navigate to the Log Group Details page.
4. On the Log Group Details page, click the Log Stream tab. 4. Log Stream list is displayed.
5. Click the Log Stream name in the list to view detailed information. 5. Navigate to the Log Stream Details page.

   Category	Detailed description
   Excel download	Log stream history can be downloaded as an Excel file
   Timestamp list	Message list by timestamp Period selection, User time zone, filterable using message input

   Table. Log Group Details - Log Stream Detail Items

Delete log stream

You can delete unused log streams. To delete a log stream, follow these steps.

1. Click the All Services > Management > ServiceWatch menu. 1. Navigate to the Service Home page.
2. On the Service Home page, click the Log > Log Group menu. 2. Navigate to the Log Group List page.
3. On the Log Group List page, click the log group name whose log stream you want to delete. 3. Navigate to the Log Group Details page.
4. On the Log Group Details page, click the Log Stream tab. 4. The log stream list is displayed.
5. Select the checkbox of the log stream to delete from the log stream list, then click the More > Delete button. 5. A popup window notifying the deletion of the log stream opens.
   • You can delete multiple log streams simultaneously.
   • You can also delete individually by clicking the Delete button at the right end of each log stream.
6. Click the Confirm button. 6. The log stream is being deleted.

Manage Log Patterns

Create Log Pattern

To create a log pattern, follow these steps.

1. All Services > Management > ServiceWatch Click the menu. 1. Navigate to the Service Home page.

2. Service Home page, click the Log > Log Group menu. 2. Navigate to the Log Group List page.

3. On the Log Group List page, click the log group name for which you want to create a log pattern. 3. Navigate to the Log Group Details page.

4. Click the Log Pattern tab on the Log Group Details page. 4. The log pattern list is displayed.

5. Click the Create Log Pattern button. 5. Navigate to the Log Pattern Generation page.

6. Configure the basic information and metric data needed to create a log group.

   • In the Basic Information area, enter and select the basic information for the log pattern.

     Category	Required	Detailed description
     Log pattern name	Required	Enter the name of the log pattern using English letters, numbers, special characters (-_./#) within 3 ~ 512 characters
     Pattern format	Required	Select a pattern format or enter manually Pattern format: Select one of the string pattern, space‑separated pattern, or JSON format pattern provided Direct input: After selecting one of the string pattern, space‑separated pattern, or JSON format pattern, enter a value between 1 ~ 1,024 For more details, refer to Pattern format
     Pattern test	Selection	Enter or select the log data to verify using a pattern Direct input: Enter the log data to be used directly into the log event message Separate log events using line breaks Up to 50 log events can be entered Each log event can be entered within 1 ~ 1,024 bytes Log data selection: Choose the log data to use When selecting log data, the corresponding log data is displayed in the log event message Pattern test: Conduct a test on the log event message If the test succeeds, the test results are displayed at the bottom

     Table. Log Pattern Generation - Basic Information Items
   • Enter and select metric information in the Metric Information area.

     Category	Required	Detailed description
     namespace	Required	Select a namespace for the log pattern If there is no namespace for the log pattern, select Create New to create one Namespace Name: When creating a new namespace, enter 3 ~ 128 characters using letters, numbers, spaces, and special characters (-_\/#)
     Indicator name	Required	Enter the indicator name using English letters, numbers, special characters (_) within 3 ~ 128 characters
     indicator value	Required	Enter the index value a number greater than or equal to 0 or $indetifier
     Default	Selection	When using the default value, input enter a float value of 0 or greater When using the default value, dimension cannot be used For more details, see the 기본값 reference
     unit	Required	Select indicator unit
     dimension	Selection	Set the dimension of metrics generated by log patterns Log pattern format is only available when it is a space-delimited pattern or a JSON format pattern Default cannot be used when entered If Use is checked, custom dimension fields can be added After clicking the Add button, add by entering Field name and Field value Up to 3 can be added

     Table. Log pattern generation - metric information items

7. After reviewing the summary information, click the Create button. 7. A popup window notifying the creation of a log pattern opens.

8. Click the Confirm button. 8. Log pattern generation is complete.

Check detailed log pattern information

To view detailed information about the log pattern, follow these steps.

1. Click the All Services > Management > ServiceWatch menu. 1. Go to the Service Home page.
2. Service Home page, click the Log > Log Group menu. 2. Navigate to the Log Group List page.
3. On the Log Group List page, click the log group name to view detailed information. 3. Navigate to the Log Group Details page.
4. On the Log Group Details page, click the Log Pattern tab. 4. The log pattern list is displayed.
5. Log pattern Click the log pattern name in the list to view detailed information. 5. Navigate to the Log Pattern Details page.

   Category	Detailed description
   Create alert policy	Can create alert policy Click the button to go to the alert policy creation page
   Delete log pattern	Delete the log pattern currently being viewed
   Log pattern name	Log pattern name
   Constructor	User who created the log pattern
   Creation timestamp	Date and time the log pattern was created
   Modifier	User who modified the log pattern information
   Modification date and time	Date and time the log pattern information was modified
   Pattern	Pattern format
   Indicator information	Metric information of the pattern group Namespace name, metric name, metric value, default value, unit, alarm policy name, dimension name Edit button can modify metric value, default value, unit information

   Table. Log pattern detailed items

Delete Log Pattern

To delete a log pattern, follow these steps.

1. Click the All Services > Management > ServiceWatch menu. 1. Navigate to the Service Home page.
2. Service Home page, click the Log > Log Group menu. 2. Go to the Log Group List page.
3. On the Log Group List page, click the log group name whose log pattern you want to delete. 3. Navigate to the Log Group Details page.
4. On the Log Group Details page, click the Log Pattern tab. 4. The log pattern list is displayed.
5. Select the checkbox of the log pattern to delete in the log pattern list, then click the Delete button. 5. A popup window notifying the deletion of the log pattern opens.
   • You can delete multiple log patterns simultaneously.
   • You can also delete them individually by clicking the More > Delete button at the far right of each log pattern, or by clicking the Delete Log Pattern button on the log pattern’s detail page.
6. Click the Confirm button. 6. The log pattern is deleted.

Export Log Group

Log group data can be stored in Object Storage. To store log group data in Object Storage, follow these steps.

1. Click the All Services > Management > ServiceWatch menu. 1. Navigate to the Service Home page.

2. On the Service Home page, click the Log > Export Log Group menu. 2. Navigate to the Log Group Export List page.

3. On the Log Group Export List page, click the Log Group Export button. 3. Go to the Log Group Export page.

   Category	Required	Detailed description
   Select log group	Required	Select the log group to store in Object Storage If the log group contains log streams, click the Select button to choose the log streams to store If you do not select a log group, the entire data of the log group will be stored
   Period setting	Selection	Set user time zone and time Time zone: User time zone or other time zones can be selected Time setting: Choose a desired interval or select manual input Interval selection: All, Last 1 minute, Last 30 minutes, Last 1 hour, Last 12 hours Manual input: Start and end timestamps can be entered in 24-hour format When manually inputting, reference time zone: Asia/Seoul (GMT +09:00)
   Storage bucket	Required	Select the bucket (Object Storage) to store the data If there is no bucket, click Create New to create one

   Table. Log group export items

4. After selecting the bucket to store the data, click the Done button. 4. A popup window notifying that data has been saved opens.

5. In the popup window, click the Confirm button. 5. Data export is starting.

   • You can check the progress on the Log Group Export List page.

Delete log group

You can delete unused log groups.

To delete a log group, follow these steps.

1. All Services > Management > ServiceWatch menu, click it. 1. Navigate to the Service Home page.
2. On the Service Home page, click the Log > Log Group menu. 2. Navigate to the Log Group List page.
3. On the Log Group List page, select the checkbox of the log group you want to delete, then click the Delete button. 3. A popup window notifying the deletion of the log group opens.
   • You can delete multiple log groups simultaneously.
   • You can also delete individually by clicking the Delete button at the far right of each log group, or by clicking the Delete Log Group button on the Log Group Details page.
4. Click the Confirm button. 4. The log group is being deleted.