Release Notes and Announcements
- Release Notes
- Announcements
Product Introduction
- Overview
- Features
- Available Regions
- Limits
- Concepts
- Service Regions and Service Providers
Purchase Guide
- Billing Overview
- Product Pricing
- Pay-as-You-Go
- Overdue Payments
- Cleaning up CLS resources
- Cost Optimization
- FAQs
Getting Started
Operation Guide
- Resource Management
- Permission Management
- Log Collection
- Metric Collection
- Log Storage
- Metric Storage
- Search and Analysis (Log Topic)
- Search and Analysis (Metric Topic)
- Dashboard
- Data Processing documents
- Shipping and Consumption
- Configuration Templates
- Monitoring Alarm
- Cloud Insight
- Independent DataSight console
- Historical Documentation
Practical Tutorial
- Log Collection
- Search and Analysis
- Dashboard
- Monitoring Alarm
- Shipping and Consumption
- Cost Optimization
Developer Guide
API Documentation
- History
- Introduction
- API Category
- Making API Requests
- Topic Management APIs
- Log Set Management APIs
- Index APIs
- Topic Partition (Abandoned) APIs
- Machine Group APIs
- Log Collection Configuration APIs
- Log APIs
- Metric Collection Configuration APIs
- Metric APIs
- Service APIs
- Alarm Policy APIs
- Data Processing APIs
- Console Customization APIs
- Kafka Consumption APIs
- CKafka Task APIs
- Kafka Data Subscription APIs
- COS Shipping Task APIs
- Dashboard APIs
- SCF Delivery Task APIs
- Scheduled SQL Analysis APIs
- COS Data Import Task APIs
- RemoteWrite APIs
- Cloud Product Integration APIs
- Unified Consumption APIs
- AI APIs
- DLC Task APIs
- es Data Import Task APIs
- Splunk Delivery APIs
- Query View APIs
- OpenClaw APIs
- Network Application APIs
- Data Types
- Error Codes
FAQs
- Explanation of Health Monitoring Problems
- Collection Related
- Log Search
- Others
CLS Policy
- Kebijakan Privasi
- Perjanjian Pemrosesan dan Keamanan Data

Shipping Overview

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Terakhir diperbarui: 2026-07-02 21:36:26

Feature Overview
CLS can ship data from log topics to Tencent Cloud COS, CKafka, DLC, and Splunk. You can treat a log topic as a Topic and consume the data to a specified destination using the Kafka protocol or a custom consumption SDK.
Delivery
Product Feature
Target Type
Use Cases
Shipping to COS
Object storage
Long-term storage.
Shipping to TDMQ for CKafka
Message middleware
Log stream processing.
Shipping to Data Lake Compute (DLC)
Data Lake
Big data analysis.
Shipping to Splunk
Third-party product/SIEM
Analyze logs in Splunk.
Consumption
Product Feature
Computing Framework/Connector
Client Description
Kafka Protocol Consumption
Logstash/Flume, Oceanus/Flink, and so on
Supports community-standard libraries such as confluent-kafka, seamlessly integrates with various big data components, and is easy to use.
Custom Consumption (SDK)
Self-developed Flink-Connector
Self-developed SDK, requiring users to have certain coding skills.
Pre-filtering Functions
You can use the pre-filtering function to process logs before they are shipped or consumed, delivering or consuming logs that meet the filter criteria to the corresponding destinations. Currently, pre-filtering is supported for shipping to Splunk and custom consumption (SDK). Pre-filtering is a subset of data processing functions ﻿. Refer to the following table for details.
Logical Expression Functions
Used to build judgment conditions.
Function Name
Function Feature
Function Syntax Description
Return Value Type
op_if
Return a value based on a specified condition.
op_if (condition 1, value 1, value 2)
If the condition is True, value 1 is returned; otherwise, value 2 is returned.
op_and
Perform the and operation on values. If all the specified parameter values are evaluated to True, True is returned. Otherwise, False is returned.
op_and (value 1, value 2, ...)
Result of the computation (BOOL)
op_or
This function is used to perform the OR operation on values. If one or more of the specified parameter values are evaluated to False, False is returned. Otherwise, True is returned.
op_or (value 1, value 2, ...)
Result of the computation (BOOL)
op_not
Used to perform the NOT operation on values.
op_not (value)
Result of the computation (BOOL)
op_eq
Compare two values. If the values are equal, True is returned.
op_eq (value 1, value 2)
Result of the comparison (BOOL)
op_ge
Compare two values. If value 1 is greater than or equal to value 2, True is returned.
op_ge (value 1, value 2)
Result of the comparison (BOOL)
op_gt
Compare two values. If value 1 is greater than value 2, True is returned.
op_gt (value 1, value 2)
Result of the comparison (BOOL)
op_le
Compare two values. If value 1 is less than or equal to value 2, True is returned.
op_le (value 1, value 2)
Result of the comparison (BOOL)
op_lt
Compare two values. If value 1 is less than value 2, True is returned.
op_lt (value 1, value 2)
Result of the comparison (BOOL)
op_null
Check whether a value is null. If yes, return True. Otherwise, return False.
op_null (value)
Result of the computation (BOOL)
op_notnull
Check whether a value is not null. If yes, return True. Otherwise, return False.
op_notnull (value)
Result of the computation (BOOL)
op_str_eq
Compare two string values. If they are equal, True is returned.
op_str_eq (value 1, value 2, ignore_upper=False)
Result of the computation (BOOL)
has_field
If the field exists, return True. Otherwise, return False.
has_field (field name)
Conditional value (BOOL)
not_has_field
If the field does not exist, return True. Otherwise, return False.
not_has_field (field name)
Conditional value (BOOL)
str_exist
Determines whether a substring exists.
Note:
Regular expressions are not supported, and the wildcard * is not supported.
str_exist (value 1, value 2, ignore_upper=False)
Result of the computation (BOOL)
Row Processing Functions
Used to determine whether logs are retained or discarded.
Function Name
Function Feature
Function Syntax Description
Return Value Type
log_drop
Discard logs that meet a specified condition.
log_drop (condition 1)
Log (LOG)
log_keep
Retain logs that meet a specified condition.
log_keep (condition 1)
Log (LOG)
Billing Description
Shipping incurs private network or public network read traffic fees (cross-region shipping is not currently supported). See Billing Overview for details, and refer to Product Pricing for unit prices.
Feature Limits
You can see Specifications and Limits > Shipping and Consumption.

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Cloud Log Service

Shipping Overview

Feature Overview

Delivery

Consumption

Pre-filtering Functions

Logical Expression Functions

Row Processing Functions

Billing Description

Feature Limits

Bantuan dan Dukungan

Product Feature	Target Type	Use Cases
Shipping to COS	Object storage	Long-term storage.
Shipping to TDMQ for CKafka	Message middleware	Log stream processing.
Shipping to Data Lake Compute (DLC)	Data Lake	Big data analysis.
Shipping to Splunk	Third-party product/SIEM	Analyze logs in Splunk.

Product Feature	Computing Framework/Connector	Client Description
Kafka Protocol Consumption	Logstash/Flume, Oceanus/Flink, and so on	Supports community-standard libraries such as confluent-kafka, seamlessly integrates with various big data components, and is easy to use.
Custom Consumption (SDK)	Self-developed Flink-Connector	Self-developed SDK, requiring users to have certain coding skills.

Function Name	Function Feature	Function Syntax Description	Return Value Type
op_if	Return a value based on a specified condition.	op_if (condition 1, value 1, value 2)	If the condition is True, value 1 is returned; otherwise, value 2 is returned.
op_and	Perform the and operation on values. If all the specified parameter values are evaluated to True, True is returned. Otherwise, False is returned.	op_and (value 1, value 2, ...)	Result of the computation (BOOL)
op_or	This function is used to perform the OR operation on values. If one or more of the specified parameter values are evaluated to False, False is returned. Otherwise, True is returned.	op_or (value 1, value 2, ...)	Result of the computation (BOOL)
op_not	Used to perform the NOT operation on values.	op_not (value)	Result of the computation (BOOL)
op_eq	Compare two values. If the values are equal, True is returned.	op_eq (value 1, value 2)	Result of the comparison (BOOL)
op_ge	Compare two values. If value 1 is greater than or equal to value 2, True is returned.	op_ge (value 1, value 2)	Result of the comparison (BOOL)
op_gt	Compare two values. If value 1 is greater than value 2, True is returned.	op_gt (value 1, value 2)	Result of the comparison (BOOL)
op_le	Compare two values. If value 1 is less than or equal to value 2, True is returned.	op_le (value 1, value 2)	Result of the comparison (BOOL)
op_lt	Compare two values. If value 1 is less than value 2, True is returned.	op_lt (value 1, value 2)	Result of the comparison (BOOL)
op_null	Check whether a value is null. If yes, return True. Otherwise, return False.	op_null (value)	Result of the computation (BOOL)
op_notnull	Check whether a value is not null. If yes, return True. Otherwise, return False.	op_notnull (value)	Result of the computation (BOOL)
op_str_eq	Compare two string values. If they are equal, True is returned.	op_str_eq (value 1, value 2, ignore_upper=False)	Result of the computation (BOOL)
has_field	If the field exists, return True. Otherwise, return False.	has_field (field name)	Conditional value (BOOL)
not_has_field	If the field does not exist, return True. Otherwise, return False.	not_has_field (field name)	Conditional value (BOOL)
str_exist	Determines whether a substring exists. Note: Regular expressions are not supported, and the wildcard * is not supported.	str_exist (value 1, value 2, ignore_upper=False)	Result of the computation (BOOL)