On Mon, Sep 19, 2022 at 5:24 PM Ashutosh Bapat <ashutosh.bapat....@gmail.com> wrote: > > On Mon, Sep 19, 2022 at 1:43 PM Ashutosh Sharma <ashu.coe...@gmail.com> wrote: > > > > On Fri, Sep 9, 2022 at 5:36 PM Ashutosh Bapat > > <ashutosh.bapat....@gmail.com> wrote: > > > > > > On Thu, Sep 8, 2022 at 8:32 PM Ashutosh Sharma <ashu.coe...@gmail.com> > > > wrote: > > > > > > > > On Thu, Sep 8, 2022 at 6:23 PM Ashutosh Bapat > > > > <ashutosh.bapat....@gmail.com> wrote: > > > > > > > > > > On Thu, Sep 8, 2022 at 4:14 PM Ashutosh Sharma > > > > > <ashu.coe...@gmail.com> wrote: > > > Can you please point to the documentation. > > > > > > > AFAIU there is just one documentation. Here is the link for it: > > > > https://www.postgresql.org/docs/current/view-pg-replication-slots.html > > Thanks. Description of confirmed_flush_lsn is "The address (LSN) up to > which the logical slot's consumer has confirmed receiving data. Data > older than this is not available anymore. NULL for physical slots." > The second sentence is misleading. AFAIU, it really should be "Data > corresponding to the transactions committed before this LSN is not > available anymore". WAL before restart_lsn is likely to be removed but > WAL with LSN higher than restart_lsn is preserved. This correction > makes more sense because of the third sentence. >
Thanks for the clarification. Attached is the patch with the changes. Please have a look. -- With Regards, Ashutosh Sharma.
diff --git a/doc/src/sgml/system-views.sgml b/doc/src/sgml/system-views.sgml index 3f573a4..0d7285d 100644 --- a/doc/src/sgml/system-views.sgml +++ b/doc/src/sgml/system-views.sgml @@ -2392,8 +2392,9 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx </para> <para> The address (<literal>LSN</literal>) up to which the logical - slot's consumer has confirmed receiving data. Data older than this is - not available anymore. <literal>NULL</literal> for physical slots. + slot's consumer has confirmed receiving data. Data corresponding to the + transactions committed before this <literal>LSN</literal> is not + available anymore. <literal>NULL</literal> for physical slots. </para></entry> </row>