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.