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[email protected]

Backpatch-through: 9.5

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 7a7177c55083f5bdd24120774c49fc537082c12b..218aa5ae04ecacdab29d173c8886cb4db685a3ab 100644 (file)
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -2740,7 +2740,7 @@ include_dir 'conf.d'
         ensure data preservation even if a standby instance of
         PostgreSQL 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 local 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

diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 17a0df697848e5e8517e458e0b5edf2a3f069f7e..1e5ff0cd57f8271bf618a4436881435bb7ac7aa7 100644 (file)
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1214,12 +1214,12 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
       ControlFileSync
       Waiting for the pg_control file to reach
-       stable storage.
+       durable storage.
      
      
       ControlFileSyncUpdate
       Waiting for an update to the pg_control file
-       to reach stable storage.
+       to reach durable storage.
      
      
       ControlFileWrite
@@ -1250,12 +1250,12 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       DataFileFlush
-      Waiting for a relation data file to reach stable storage.
+      Waiting for a relation data file to reach durable storage.
      
      
       DataFileImmediateSync
       Waiting for an immediate synchronization of a relation data file to
-       stable storage.
+       durable storage.
      
      
       DataFilePrefetch
@@ -1268,7 +1268,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       DataFileSync
-      Waiting for changes to a relation data file to reach stable storage.
+      Waiting for changes to a relation data file to reach durable storage.
      
      
       DataFileTruncate
@@ -1285,7 +1285,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       LockFileAddToDataDirSync
-      Waiting for data to reach stable storage while adding a line to the
+      Waiting for data to reach durable storage while adding a line to the
        data directory lock file.
      
      
@@ -1300,7 +1300,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       LockFileCreateSync
-      Waiting for data to reach stable storage while creating the data
+      Waiting for data to reach durable storage while creating the data
        directory lock file.
      
      
@@ -1315,12 +1315,12 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       LogicalRewriteCheckpointSync
-      Waiting for logical rewrite mappings to reach stable storage
+      Waiting for logical rewrite mappings to reach durable storage
        during a checkpoint.
      
      
       LogicalRewriteMappingSync
-      Waiting for mapping data to reach stable storage during a logical
+      Waiting for mapping data to reach durable storage during a logical
        rewrite.
      
      
@@ -1330,7 +1330,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       LogicalRewriteSync
-      Waiting for logical rewrite mappings to reach stable
+      Waiting for logical rewrite mappings to reach durable
        storage.
      
      
@@ -1348,7 +1348,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       RelationMapSync
-      Waiting for the relation map file to reach stable storage.
+      Waiting for the relation map file to reach durable storage.
      
      
       RelationMapWrite
@@ -1373,12 +1373,12 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       ReplicationSlotRestoreSync
-      Waiting for a replication slot control file to reach stable storage
+      Waiting for a replication slot control file to reach durable storage
        while restoring it to memory.
      
      
       ReplicationSlotSync
-      Waiting for a replication slot control file to reach stable
+      Waiting for a replication slot control file to reach durable
        storage.
      
      
@@ -1387,7 +1387,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       SLRUFlushSync
-      Waiting for SLRU data to reach stable storage during a checkpoint
+      Waiting for SLRU data to reach durable storage during a checkpoint
        or database shutdown.
      
      
@@ -1396,7 +1396,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       SLRUSync
-      Waiting for SLRU data to reach stable storage following a page
+      Waiting for SLRU data to reach durable storage following a page
        write.
      
      
@@ -1411,7 +1411,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
       SnapbuildSync
       Waiting for a serialized historical catalog snapshot to reach
-       stable storage.
+       durable storage.
      
      
       SnapbuildWrite
@@ -1421,7 +1421,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
       TimelineHistoryFileSync
       Waiting for a timeline history file received via streaming
-       replication to reach stable storage.
+       replication to reach durable storage.
      
      
       TimelineHistoryFileWrite
@@ -1434,7 +1434,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       TimelineHistorySync
-      Waiting for a newly created timeline history file to reach stable
+      Waiting for a newly created timeline history file to reach durable
        storage.
      
      
@@ -1448,7 +1448,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       TwophaseFileSync
-      Waiting for a two phase state file to reach stable storage.
+      Waiting for a two phase state file to reach durable storage.
      
      
       TwophaseFileWrite
@@ -1456,7 +1456,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       WALBootstrapSync
-      Waiting for WAL to reach stable storage during
+      Waiting for WAL to reach durable storage during
        bootstrapping.
      
      
@@ -1471,7 +1471,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
       WALCopySync
       Waiting for a new WAL segment created by copying an existing one to
-       reach stable storage.
+       reach durable storage.
      
      
       WALCopyWrite
@@ -1480,7 +1480,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       WALInitSync
-      Waiting for a newly initialized WAL file to reach stable
+      Waiting for a newly initialized WAL file to reach durable
        storage.
      
      
@@ -1498,11 +1498,11 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      
      
       WALSync
-      Waiting for a WAL file to reach stable storage.
+      Waiting for a WAL file to reach durable storage.
      
      
       WALSyncMethodAssign
-      Waiting for data to reach stable storage while assigning a new
+      Waiting for data to reach durable storage while assigning a new
        WAL sync method.