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v3.1

Documentation:v3.1

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SQL Tracing

Availability

This feature is available since MogDB 3.1.0.

Introduction

This feature supports dynamic export and observation of all processes of the SQL during the running of MogDB. Within the range of the observation, this feature can improve observation and fault diagnosis capability in the scenario where key service systems do not stop.

Benefits

This feature allows technical support engineers to export execution of all SQLs without stopping the database environment for later analysis and diagnosis, thereby improving the observation and fault diagnosis efficiency.

Description

This feature enhances the gstrace module function. It can trace the SQL execution process and content in a specified time period. Uses can enable, export, or disable this feature. The information that can be exported includes machine- and database-related basic information, total execution time of the PARSE, EXEC statement, execution time of main operators, such as SCAN and SORT AGGREGATE, and number of execution items.

gstrace

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