marcosmartinezfco commented on issue #59445:
URL: https://github.com/apache/airflow/issues/59445#issuecomment-3719623703

   > You should take a loook at the monitoring of your database, looking at 
excessive queries, peaks in resource usage, strange errors - possibly looking 
at plans of queries generated by your database and looking for full-table 
scans. Generally when database statistics are not updated and cleaned up 
regularly, your table stats migh wildy differ from the actual data stored and 
database engine might use sub-optimal ways of planning the queries, whihc - for 
example -might result in loading all rows to memory instead of just loading 
indexes.
   
   DB is cleaned fairly often that why I doubt it's a db issue. All metrics in 
the aws console look healthy and what I would expect


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