[google-cloud-sql-discuss] Postgres Vacuum problem

Hi, 

I can't work with the database other than the "select" statement. When I update or edit the table or column data it reports an error like this:

ERROR: database is not accepting commands to avoid wraparound data loss in database "xxx"
HINT: Stop the postmaster and vacuum that database in single-user mode.
You might also need to commit or roll back old prepared transactions.

Table information:

It has been running for over 10 hours but does not see anything happening:

How do I know when the "VACUUM table" statement completes? Can I truncate that table?

Thanks a lot

Hung

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