pgsql: Don't mark pages all-visible spuriously

2018-05-04 Thread Alvaro Herrera
Don't mark pages all-visible spuriously Dan Wood diagnosed a long-standing problem that pages containing tuples that are locked by multixacts containing live lockers may spuriously end up as candidates for getting their all-visible flag set. This has the long-term effect that multixacts remain

pgsql: Don't mark pages all-visible spuriously

2018-05-04 Thread Alvaro Herrera
Don't mark pages all-visible spuriously Dan Wood diagnosed a long-standing problem that pages containing tuples that are locked by multixacts containing live lockers may spuriously end up as candidates for getting their all-visible flag set. This has the long-term effect that multixacts remain

pgsql: Don't mark pages all-visible spuriously

2018-05-04 Thread Alvaro Herrera
Don't mark pages all-visible spuriously Dan Wood diagnosed a long-standing problem that pages containing tuples that are locked by multixacts containing live lockers may spuriously end up as candidates for getting their all-visible flag set. This has the long-term effect that multixacts remain