How do I troubleshoot PostgreSQL locks?
An example of an AI chatbot conversation about troubleshooting PostgreSQL locks.
I'm experiencing some performance issues with my PostgreSQL database. How can I troubleshoot locks?
To troubleshoot locks in PostgreSQL, you can start by checking the current locks using the pg_locks view.
What SQL query should I use to see the current locks?
You can use this query: SELECT * FROM pg_locks; to view all current locks and their statuses.
How can I identify which queries are causing the locks?
You can join pg_locks with pg_stat_activity to see which queries are holding or waiting for locks.
Can you provide an example of that query?
Sure! Here's an example: SELECT a.pid, a.query, l.mode FROM pg_stat_activity a JOIN pg_locks l ON a.pid = l.pid; This will show you the queries along with their lock modes.
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