> On Aug 9, 2020, at 9:01 PM, Rama Krishnan <raghuldrag@gmail.com> wrote: > > > Hi Mentors, > > > I am searching for an understanding of bloat in PostgreSQL > > What is bloat? > > How does it work? > > What is the use of bloat? > > Limitations of bloat? > > Thanks > > Rama Krishnan Bloat is not a feature of postgreSQL, it’s a consequence. It has no redeeming value. Updates to tuples generally cause a new tuples to be constructed and the original to be marked as disposable. It is the job of the vacuum process to rid the table of this record. Until this happens the marked record as part of the bloat for that table.