Re: pgsql: Introduce wal_level GUC to explicitly control if information

Just a couple, both in the same file:

doc/src/sgml/perform.sgml - s/arcive_mode/archive_mode/ and
s/afterwards/afterward/

Thom

On 28 April 2010 17:10, Heikki Linnakangas <heikki(at)postgresql(dot)org> wrote:

> Log Message:
> -----------
> Introduce wal_level GUC to explicitly control if information needed for
> archival or hot standby should be WAL-logged, instead of deducing that from
> other options like archive_mode. This replaces recovery_connections GUC in
> the primary, where it now has no effect, but it's still used in the standby
> to enable/disable hot standby.
>
> Remove the WAL-logging of "unlogged operations", like creating an index
> without WAL-logging and fsyncing it at the end. Instead, we keep a copy of
> the wal_mode setting and the settings that affect how much shared memory a
> hot standby server needs to track master transactions (max_connections,
> max_prepared_xacts, max_locks_per_xact) in pg_control. Whenever the
> settings
> change, at server restart, write a WAL record noting the new settings and
> update pg_control. This allows us to notice the change in those settings in
> the standby at the right moment, they used to be included in checkpoint
> records, but that meant that a changed value was not reflected in the
> standby until the first checkpoint after the change.
>
> Bump PG_CONTROL_VERSION and XLOG_PAGE_MAGIC. Whack XLOG_PAGE_MAGIC back to
> the sequence it used to follow, before hot standby and subsequent patches
> changed it to 0x9003.
>
> Modified Files:
> --------------
> pgsql/doc/src/sgml:
> backup.sgml (r2.152 -> r2.153)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/backup.sgml?r1=2.152&r2=2.153
> )
> config.sgml (r1.270 -> r1.271)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/config.sgml?r1=1.270&r2=1.271
> )
> high-availability.sgml (r1.63 -> r1.64)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/high-availability.sgml?r1=1.63&r2=1.64
> )
> perform.sgml (r1.76 -> r1.77)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/perform.sgml?r1=1.76&r2=1.77
> )
> pgsql/src/backend/access/heap:
> rewriteheap.c (r1.21 -> r1.22)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/heap/rewriteheap.c?r1=1.21&r2=1.22
> )
> pgsql/src/backend/access/nbtree:
> nbtsort.c (r1.124 -> r1.125)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/nbtree/nbtsort.c?r1=1.124&r2=1.125
> )
> pgsql/src/backend/access/transam:
> xlog.c (r1.404 -> r1.405)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xlog.c?r1=1.404&r2=1.405
> )
> pgsql/src/backend/commands:
> cluster.c (r1.202 -> r1.203)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/cluster.c?r1=1.202&r2=1.203
> )
> copy.c (r1.326 -> r1.327)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/copy.c?r1=1.326&r2=1.327
> )
> tablecmds.c (r1.329 -> r1.330)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/tablecmds.c?r1=1.329&r2=1.330
> )
> pgsql/src/backend/executor:
> execMain.c (r1.348 -> r1.349)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/execMain.c?r1=1.348&r2=1.349
> )
> pgsql/src/backend/postmaster:
> postmaster.c (r1.605 -> r1.606)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/postmaster.c?r1=1.605&r2=1.606
> )
> pgsql/src/backend/replication:
> walsender.c (r1.17 -> r1.18)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/replication/walsender.c?r1=1.17&r2=1.18
> )
> pgsql/src/backend/storage/ipc:
> standby.c (r1.19 -> r1.20)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/ipc/standby.c?r1=1.19&r2=1.20
> )
> pgsql/src/backend/utils/misc:
> guc.c (r1.551 -> r1.552)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/guc.c?r1=1.551&r2=1.552
> )
> postgresql.conf.sample (r1.284 -> r1.285)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/postgresql.conf.sample?r1=1.284&r2=1.285
> )
> pgsql/src/bin/pg_controldata:
> pg_controldata.c (r1.46 -> r1.47)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_controldata/pg_controldata.c?r1=1.46&r2=1.47
> )
> pgsql/src/bin/pg_resetxlog:
> pg_resetxlog.c (r1.78 -> r1.79)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_resetxlog/pg_resetxlog.c?r1=1.78&r2=1.79
> )
> pgsql/src/include/access:
> xlog.h (r1.109 -> r1.110)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/access/xlog.h?r1=1.109&r2=1.110
> )
> xlog_internal.h (r1.32 -> r1.33)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/access/xlog_internal.h?r1=1.32&r2=1.33
> )
> pgsql/src/include/catalog:
> pg_control.h (r1.53 -> r1.54)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/pg_control.h?r1=1.53&r2=1.54
> )
> pgsql/src/include/replication:
> walsender.h (r1.2 -> r1.3)
> (
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/replication/walsender.h?r1=1.2&r2=1.3
> )
>
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