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doc-exports/docs/dws/umn/dws_01_01373.html
Lu, Huayi c5fcb46315 DWS UMN 801 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2022-12-13 12:47:57 +00:00

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Top Time-Consuming SQL Statements Viewing

Symptom

Time-consuming SQL statements exist.

Troubleshooting Process

On the Top 5 Time-Consuming Queries page directed from the Cluster Overview page, record the change of top 5 time-consuming queries.

Analyze the frequency of top 5 queries to locate slow queries.

Troubleshooting Procedure

  1. On the Cluster Overview page, click and view the Top5 Time-Consuming Queries page.
  2. Find the IDs of time-consuming queries and query the pid field (session_id) in the database view PGXC_WLM_SESSION_STATISTICS.
  3. On the Session Monitoring page, locate the session_id and kill the time-consuming SQL statement.

Parent topic: Typical Scenarios