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Log Alarm Constraints

Updated on 2025-01-17 GMT+08:00

This section describes the constraints on LTS alarms.

Table 1 Alarm constraints

Category

Item

Description

Remarks

Alarm monitoring

Alarm rules

Up to 200 alarms can be created for a HUAWEI ID.

To increase the upper limit, submit a service ticket.

Combinations of search and analysis criteria

1 for keyword search and 1–3 for SQL analysis

N/A

Query time range

Keyword alarms: max. 1 hour for each query statement

N/A

SQL alarms: max. 24 hours for each query statement

N/A

General constraints on query and analysis

For details about keyword alarms, see Search Syntax. For details about SQL alarms, see SQL Syntax.

N/A

Alarm notifications

Notification method

The constraints on each notification method are described below. If the limit is exceeded, you may not receive alarm notifications.

  • Email
  • SMS
  • Voice

    Only mobile numbers (+86) registered in the Chinese Mainland are supported. To apply for this channel, submit a service ticket.

  • DingTalk

    The DingTalk bot supports a maximum of 20 messages per minute.

  • WeCom

    The WeCom bot supports a maximum of 20 messages per minute.

  • Lark

    Lark notifications are only available to whitelisted users. To enable this channel, submit a service ticket.

N/A

Notification content

Each notification method has a content limit. To ensure successful alarm notifications, the system may truncate the excess part. However, the content integrity and successful sending depend on the truncated content and the notification method. For example, if the truncated content is in invalid Markdown or HTML format, the notification may fail. For SMS and voice messages, truncation does not cause notification failures.

Configure the message template while considering the restrictions of your selected notification method. The restrictions of each notification mode are as follows (each letter, digit, or punctuation is counted as one character):

Max. 5 KB.

N/A

Message templates

Max. 100

N/A

Message template variables

Max. 3 KB. Excess part will be truncated.

N/A

Notification message quota

The maximum number of messages a recipient can receive per day depends on their SMN resource quota.

N/A

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