On Wed, Nov 13, 2019 at 11:39 AM Masahiko Sawada <masahiko.saw...@2ndquadrant.com> wrote: > > On Wed, 13 Nov 2019 at 12:43, Dilip Kumar <dilipbal...@gmail.com> wrote: > > > > > > In this function, if ParallelVacuumIsActive, we perform the parallel > > vacuum for all the index for which parallel vacuum is supported and > > once that is over we finish vacuuming remaining indexes for which > > parallel vacuum is not supported. But, my question is that inside > > lazy_parallel_vacuum_or_cleanup_indexes, we wait for all the workers > > to finish their job then only we start with the sequential vacuuming > > shouldn't we start that immediately as soon as the leader > > participation is over in the parallel vacuum? > > If we do that, while the leader process is vacuuming indexes that > don't not support parallel vacuum sequentially some workers might be > vacuuming for other indexes. Isn't it a problem? >
Can you please explain what problem do you see with that? -- With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com
