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Postgres FD Implementation
Commit 70e791f4 authored by Bruce Momjian's avatar Bruce Momjian
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docs: replace "stable storage" with "durable" in descriptions 

For PG, "durable storage" has a clear meaning, while "stable storage"
does not, so use the former.

Discussion: https://postgr.es/m/20200817165222.GA31806@momjian.us

Backpatch-through: 9.5
parent 1e0512ff
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Showing with 25 additions and 25 deletions
doc/src/sgml/config.sgml
View file @ 70e791f4
......@@ -2740,7 +2740,7 @@ include_dir 'conf.d'
ensure data preservation even if a standby instance of
<productname>PostgreSQL</productname> were to crash, but not if the standby
suffers an operating-system-level crash, since the data has not
necessarily reached stable storage on the standby.
necessarily reached durable storage on the standby.
Finally, the setting <literal>local</literal> causes commits to wait for
local flush to disk, but not for replication. This is not usually
desirable when synchronous replication is in use, but is provided for
......
doc/src/sgml/monitoring.sgml
View file @ 70e791f4
......@@ -1214,12 +1214,12 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
<row>
<entry><literal>ControlFileSync</literal></entry>
<entry>Waiting for the <filename>pg_control</filename> file to reach
stable storage.</entry>
durable storage.</entry>
</row>
<row>
<entry><literal>ControlFileSyncUpdate</literal></entry>
<entry>Waiting for an update to the <filename>pg_control</filename> file
to reach stable storage.</entry>
to reach durable storage.</entry>
</row>
<row>
<entry><literal>ControlFileWrite</literal></entry>
......@@ -1250,12 +1250,12 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>DataFileFlush</literal></entry>
<entry>Waiting for a relation data file to reach stable storage.</entry>
<entry>Waiting for a relation data file to reach durable storage.</entry>
</row>
<row>
<entry><literal>DataFileImmediateSync</literal></entry>
<entry>Waiting for an immediate synchronization of a relation data file to
stable storage.</entry>
durable storage.</entry>
</row>
<row>
<entry><literal>DataFilePrefetch</literal></entry>
......@@ -1268,7 +1268,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>DataFileSync</literal></entry>
<entry>Waiting for changes to a relation data file to reach stable storage.</entry>
<entry>Waiting for changes to a relation data file to reach durable storage.</entry>
</row>
<row>
<entry><literal>DataFileTruncate</literal></entry>
......@@ -1285,7 +1285,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>LockFileAddToDataDirSync</literal></entry>
<entry>Waiting for data to reach stable storage while adding a line to the
<entry>Waiting for data to reach durable storage while adding a line to the
data directory lock file.</entry>
</row>
<row>
......@@ -1300,7 +1300,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>LockFileCreateSync</literal></entry>
<entry>Waiting for data to reach stable storage while creating the data
<entry>Waiting for data to reach durable storage while creating the data
directory lock file.</entry>
</row>
<row>
......@@ -1315,12 +1315,12 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>LogicalRewriteCheckpointSync</literal></entry>
<entry>Waiting for logical rewrite mappings to reach stable storage
<entry>Waiting for logical rewrite mappings to reach durable storage
during a checkpoint.</entry>
</row>
<row>
<entry><literal>LogicalRewriteMappingSync</literal></entry>
<entry>Waiting for mapping data to reach stable storage during a logical
<entry>Waiting for mapping data to reach durable storage during a logical
rewrite.</entry>
</row>
<row>
......@@ -1330,7 +1330,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>LogicalRewriteSync</literal></entry>
<entry>Waiting for logical rewrite mappings to reach stable
<entry>Waiting for logical rewrite mappings to reach durable
storage.</entry>
</row>
<row>
......@@ -1348,7 +1348,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>RelationMapSync</literal></entry>
<entry>Waiting for the relation map file to reach stable storage.</entry>
<entry>Waiting for the relation map file to reach durable storage.</entry>
</row>
<row>
<entry><literal>RelationMapWrite</literal></entry>
......@@ -1373,12 +1373,12 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>ReplicationSlotRestoreSync</literal></entry>
<entry>Waiting for a replication slot control file to reach stable storage
<entry>Waiting for a replication slot control file to reach durable storage
while restoring it to memory.</entry>
</row>
<row>
<entry><literal>ReplicationSlotSync</literal></entry>
<entry>Waiting for a replication slot control file to reach stable
<entry>Waiting for a replication slot control file to reach durable
storage.</entry>
</row>
<row>
......@@ -1387,7 +1387,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>SLRUFlushSync</literal></entry>
<entry>Waiting for SLRU data to reach stable storage during a checkpoint
<entry>Waiting for SLRU data to reach durable storage during a checkpoint
or database shutdown.</entry>
</row>
<row>
......@@ -1396,7 +1396,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>SLRUSync</literal></entry>
<entry>Waiting for SLRU data to reach stable storage following a page
<entry>Waiting for SLRU data to reach durable storage following a page
write.</entry>
</row>
<row>
......@@ -1411,7 +1411,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
<row>
<entry><literal>SnapbuildSync</literal></entry>
<entry>Waiting for a serialized historical catalog snapshot to reach
stable storage.</entry>
durable storage.</entry>
</row>
<row>
<entry><literal>SnapbuildWrite</literal></entry>
......@@ -1421,7 +1421,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
<row>
<entry><literal>TimelineHistoryFileSync</literal></entry>
<entry>Waiting for a timeline history file received via streaming
replication to reach stable storage.</entry>
replication to reach durable storage.</entry>
</row>
<row>
<entry><literal>TimelineHistoryFileWrite</literal></entry>
......@@ -1434,7 +1434,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>TimelineHistorySync</literal></entry>
<entry>Waiting for a newly created timeline history file to reach stable
<entry>Waiting for a newly created timeline history file to reach durable
storage.</entry>
</row>
<row>
......@@ -1448,7 +1448,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>TwophaseFileSync</literal></entry>
<entry>Waiting for a two phase state file to reach stable storage.</entry>
<entry>Waiting for a two phase state file to reach durable storage.</entry>
</row>
<row>
<entry><literal>TwophaseFileWrite</literal></entry>
......@@ -1456,7 +1456,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>WALBootstrapSync</literal></entry>
<entry>Waiting for WAL to reach stable storage during
<entry>Waiting for WAL to reach durable storage during
bootstrapping.</entry>
</row>
<row>
......@@ -1471,7 +1471,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
<row>
<entry><literal>WALCopySync</literal></entry>
<entry>Waiting for a new WAL segment created by copying an existing one to
reach stable storage.</entry>
reach durable storage.</entry>
</row>
<row>
<entry><literal>WALCopyWrite</literal></entry>
......@@ -1480,7 +1480,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>WALInitSync</literal></entry>
<entry>Waiting for a newly initialized WAL file to reach stable
<entry>Waiting for a newly initialized WAL file to reach durable
storage.</entry>
</row>
<row>
......@@ -1498,11 +1498,11 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
</row>
<row>
<entry><literal>WALSync</literal></entry>
<entry>Waiting for a WAL file to reach stable storage.</entry>
<entry>Waiting for a WAL file to reach durable storage.</entry>
</row>
<row>
<entry><literal>WALSyncMethodAssign</literal></entry>
<entry>Waiting for data to reach stable storage while assigning a new
<entry>Waiting for data to reach durable storage while assigning a new
WAL sync method.</entry>
</row>
<row>
......
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