BsoBird commented on issue #9327:
URL: https://github.com/apache/iceberg/issues/9327#issuecomment-1859523079

   @RussellSpitzer 
   
   --User has mutliple tables homed in the same directory, Remove orphan files 
for one deletes files for the other. This is generally unrecoverable and you'll 
notice that many files do not exist that should according to iceberg metadata
   no,Our catalogues and tables are one-to-one.
   --User error, manually deleting a file.
   no. No one but me can manipulate iceberg's data files. And I just run the 
CALL command every day.
   --Third party ttl system
   no. we haven't.
   
   
   --The query is running a snapshot which has been expired but not yet removed 
from cache, or the query was started and then the snapshot was expired. In this 
case you just refresh the cache and the query will work
   How do I flush the cache? I've restarted the spark job. I've restarted the 
spark job. If it's an in-memory cache, then it shouldn't have a problem. If 
it's cached in memory, then it shouldn't be a problem, and I do have a snapshot 
of the file.


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