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Data Collection Overview

Updated on 2025-02-26 GMT+08:00
You can enable access to third-party (non-Huawei Cloud) logs in SecMaster. SecMaster uses Logstash to collect logs from many types of sources. Logs are comprehensively collected for historical data analysis, associated data analysis, and unknown threat detection.
Figure 1 Data collection

Data Collection Principles

The basic principle of data collection is as follows: SecMaster uses a component controller (isap-agent) that is installed on your ECSs to manage the collection component Logstash, and Logstash transfer security data in your organization or between you and SecMaster.

Figure 2 Functional architecture of the collection system

Description

  • Collector: custom Logstash. A collector node is a custom combination of Logstash+ component controller (isap-agent).
  • Node: If you install SecMaster component controller isap-agent on an ECS and use IAM to authorize SecMaster to manage the ECS, the ECS is called a node. You need to deliver data collection engine Logstash to managed nodes on the Components page.
  • Component: A component is a custom Logstash that works as a data aggregation engine to receive and send security log data.
  • Connector: A connector is a basic element for Logstash. It defines the way Logstash receives source data and the standards it follows during the process. Each connector has a source end and a destination end. Source ends and destination ends are used for data inputs and outputs, respectively. The SecMaster pipeline is used for log data transmission between SecMaster and your devices.
  • Parser: A parser is a basic element for configuring custom Logstash. Parsers mainly work as filters in Logstash. SecMaster preconfigures varied types of filters and provides them as parsers. In just a few clicks on the SecMaster console, you can use parsers to generate native scripts to set complex filters for Logstash. In doing this, you can convert raw logs into the format you need.
  • Collection channel: A collection channel is equivalent to a Logstash pipeline. Multiple pipelines can be configured in Logstash. Each pipeline consists of the input, filter, and output parts. Pipelines work independently and do not affect each other. You can deploy a pipeline for multiple nodes. A pipeline is considered one collection channel no matter how many nodes it is configured for.

Limitations and Constraints

  • Currently, the data collection component controller can run on Linux ECSs running the x86_64 architecture.
  • Only IAM users can be used to install component controller and check details on the console. The IAM user can have only the minimum permissions assigned. For details, see Preparations.

Collector Specifications

The following table describes the specifications of the ECSs that are selected as nodes in collection management.

Table 1 Collector Specifications

vCPUs

Memory

System Disk

Data Disk

Referenced Processing Capability

4 vCPUs

8 GB

50 GB

100 GB

2,000 EPS @ 1 KB

4,000 EPS @ 500 B

8 vCPUs

16 GB

50 GB

100 GB

5,000 EPS @ 1 KB

10,000 EPS @ 500 B

16 vCPUs

32 GB

50 GB

100 GB

10,000 EPS @ 1 KB

20,000 EPS @ 500 B

32 vCPUs

64 GB

50 GB

100 GB

20,000 EPS @ 1 KB

40,000 EPS @ 500 B

64 vCPUs

128 GB

50 GB

100 GB

40,000 EPS @ 1 KB

80,000 EPS @ 500 B

NOTE:
  • The ECS must have at least two vCPUs and 4 GB of memory. A disk of at least 100 GB must be attached as the directory disk.
  • The log volume usually increases in proportion to the server specifications. Generally, you are advised to increase the log volume based on the specifications in the table. If there is huge pressure on a collector, you can deploy multiple collectors and manage them centrally through collection channels. This can distribute the log forwarding pressure across collectors.
  • Before installing the component controller, you are advised to mount a disk and use the disk partitioning script to allocate the disk. To ensure the installation and running of Logstash, the directory partition must have more than 100 GB of free space.

Log Source Limit

You can add as many as log sources you need to the collectors as long as your cloud resources can accommodate those logs. You can scale cloud resources anytime to meet your needs.

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