index 11251fa05ea9cc7554afa45b9de44ba5314f3835..694d667bf9701c5e79eb6e88d6195afc59708bd9 100644 (file)
@@ -11712,10 +11712,10 @@ LOG: CleanUpLock: deleting: lock(0xb7acd844) id(24688,24696,0,0,0,1)
</listitem>
</varlistentry>
- <varlistentry id="guc-logical-replication-mode" xreflabel="logical_replication_mode">
- <term><varname>logical_replication_mode</varname> (<type>enum</type>)
+ <varlistentry id="guc-debug-logical-replication-streaming" xreflabel="debug_logical_replication_streaming">
+ <term><varname>debug_logical_replication_streaming</varname> (<type>enum</type>)
<indexterm>
- <primary><varname>logical_replication_mode</varname> configuration parameter</primary>
+ <primary><varname>debug_logical_replication_streaming</varname> configuration parameter</primary>
</indexterm>
</term>
<listitem>
@@ -11724,12 +11724,12 @@ LOG: CleanUpLock: deleting: lock(0xb7acd844) id(24688,24696,0,0,0,1)
<literal>immediate</literal>. The default is <literal>buffered</literal>.
This parameter is intended to be used to test logical decoding and
replication of large transactions. The effect of
- <varname>logical_replication_mode</varname> is different for the
+ <varname>debug_logical_replication_streaming</varname> is different for the
publisher and subscriber:
</para>
<para>
- On the publisher side, <varname>logical_replication_mode</varname>
+ On the publisher side, <varname>debug_logical_replication_streaming</varname>
allows streaming or serializing changes immediately in logical decoding.
When set to <literal>immediate</literal>, stream each change if the
<link linkend="sql-createsubscription-with-streaming"><literal>streaming</literal></link>
@@ -11742,7 +11742,7 @@ LOG: CleanUpLock: deleting: lock(0xb7acd844) id(24688,24696,0,0,0,1)
<para>
On the subscriber side, if the <literal>streaming</literal> option is set to
- <literal>parallel</literal>, <varname>logical_replication_mode</varname>
+ <literal>parallel</literal>, <varname>debug_logical_replication_streaming</varname>
can be used to direct the leader apply worker to send changes to the
shared memory queue or to serialize all changes to the file. When set to
<literal>buffered</literal>, the leader sends changes to parallel apply
index 4e8ee2973e0a115caae16625df3376860d05ee7e..82f48a488e9fa6bc536488e49b684200dd5d29c5 100644 (file)
@@ -1160,7 +1160,7 @@ pa_send_data(ParallelApplyWorkerInfo *winfo, Size nbytes, const void *data)
* We don't try to send data to parallel worker for 'immediate' mode. This
* is primarily used for testing purposes.
*/
- if (unlikely(logical_replication_mode == LOGICAL_REP_MODE_IMMEDIATE))
+ if (unlikely(debug_logical_replication_streaming == DEBUG_LOGICAL_REP_STREAMING_IMMEDIATE))
return false;
/*
index 87a4d2a24b7ac2259cd264b39c0070639c440d51..0dab0bb64e8d6c668abf44166118e523f3270baa 100644 (file)
static const Size max_changes_in_memory = 4096; /* XXX for restore only */
/* GUC variable */
-int logical_replication_mode = LOGICAL_REP_MODE_BUFFERED;
+int debug_logical_replication_streaming = DEBUG_LOGICAL_REP_STREAMING_BUFFERED;
/* ---------------------------------------
* primary reorderbuffer support routines
@@ -3566,8 +3566,8 @@ ReorderBufferLargestStreamableTopTXN(ReorderBuffer *rb)
* pick the largest (sub)transaction at-a-time to evict and spill its changes to
* disk or send to the output plugin until we reach under the memory limit.
*
- * If logical_replication_mode is set to "immediate", stream or serialize the
- * changes immediately.
+ * If debug_logical_replication_streaming is set to "immediate", stream or
+ * serialize the changes immediately.
*
* XXX At this point we select the transactions until we reach under the memory
* limit, but we might also adapt a more elaborate eviction strategy - for example
ReorderBufferTXN *txn;
/*
- * Bail out if logical_replication_mode is buffered and we haven't
- * exceeded the memory limit.
+ * Bail out if debug_logical_replication_streaming is buffered and we
+ * haven't exceeded the memory limit.
*/
- if (logical_replication_mode == LOGICAL_REP_MODE_BUFFERED &&
+ if (debug_logical_replication_streaming == DEBUG_LOGICAL_REP_STREAMING_BUFFERED &&
rb->size < logical_decoding_work_mem * 1024L)
return;
/*
- * If logical_replication_mode is immediate, loop until there's no change.
- * Otherwise, loop until we reach under the memory limit. One might think
- * that just by evicting the largest (sub)transaction we will come under
- * the memory limit based on assumption that the selected transaction is
- * at least as large as the most recent change (which caused us to go over
- * the memory limit). However, that is not true because a user can reduce
- * the logical_decoding_work_mem to a smaller value before the most recent
- * change.
+ * If debug_logical_replication_streaming is immediate, loop until there's
+ * no change. Otherwise, loop until we reach under the memory limit. One
+ * might think that just by evicting the largest (sub)transaction we will
+ * come under the memory limit based on assumption that the selected
+ * transaction is at least as large as the most recent change (which
+ * caused us to go over the memory limit). However, that is not true
+ * because a user can reduce the logical_decoding_work_mem to a smaller
+ * value before the most recent change.
*/
while (rb->size >= logical_decoding_work_mem * 1024L ||
- (logical_replication_mode == LOGICAL_REP_MODE_IMMEDIATE &&
+ (debug_logical_replication_streaming == DEBUG_LOGICAL_REP_STREAMING_IMMEDIATE &&
rb->size > 0))
{
/*
index e0ca48a27d4174d0915c18085df3b5ca818a4d3e..e565a3092f6eedba58c4224e081ded79f2cbf6ad 100644 (file)
@@ -420,9 +420,9 @@ static const struct config_enum_entry ssl_protocol_versions_info[] = {
{NULL, 0, false}
};
-static const struct config_enum_entry logical_replication_mode_options[] = {
- {"buffered", LOGICAL_REP_MODE_BUFFERED, false},
- {"immediate", LOGICAL_REP_MODE_IMMEDIATE, false},
+static const struct config_enum_entry debug_logical_replication_streaming_options[] = {
+ {"buffered", DEBUG_LOGICAL_REP_STREAMING_BUFFERED, false},
+ {"immediate", DEBUG_LOGICAL_REP_STREAMING_IMMEDIATE, false},
{NULL, 0, false}
};
},
{
- {"logical_replication_mode", PGC_USERSET, DEVELOPER_OPTIONS,
- gettext_noop("Controls when to replicate or apply each change."),
+ {"debug_logical_replication_streaming", PGC_USERSET, DEVELOPER_OPTIONS,
+ gettext_noop("Forces immediate streaming or serialization of changes in large transactions."),
gettext_noop("On the publisher, it allows streaming or serializing each change in logical decoding. "
"On the subscriber, it allows serialization of all changes to files and notifies the "
"parallel apply workers to read and apply them at the end of the transaction."),
GUC_NOT_IN_SAMPLE
},
- &logical_replication_mode,
- LOGICAL_REP_MODE_BUFFERED, logical_replication_mode_options,
+ &debug_logical_replication_streaming,
+ DEBUG_LOGICAL_REP_STREAMING_BUFFERED, debug_logical_replication_streaming_options,
NULL, NULL, NULL
},
index 1b9db22acbd7fd74c251d2bb505147ea204505f1..3cb03168de246ce32ebd78068a30a36d6cd397d4 100644 (file)
/* GUC variables */
extern PGDLLIMPORT int logical_decoding_work_mem;
-extern PGDLLIMPORT int logical_replication_mode;
+extern PGDLLIMPORT int debug_logical_replication_streaming;
-/* possible values for logical_replication_mode */
+/* possible values for debug_logical_replication_streaming */
typedef enum
{
- LOGICAL_REP_MODE_BUFFERED,
- LOGICAL_REP_MODE_IMMEDIATE
-} LogicalRepMode;
+ DEBUG_LOGICAL_REP_STREAMING_BUFFERED,
+ DEBUG_LOGICAL_REP_STREAMING_IMMEDIATE
+} DebugLogicalRepStreamingMode;
/* an individual tuple, stored in one chunk of memory */
typedef struct ReorderBufferTupleBuf
index b450a78adf78d614ab80ae10c111da6532c6ddcb..603d00f9e78f60c4d69403bb12e5707e4ebc04ef 100644 (file)
@@ -295,7 +295,7 @@ is($result, qq(10000), 'data replicated to subscriber after dropping index');
# Test serializing changes to files and notify the parallel apply worker to
# apply them at the end of the transaction.
$node_subscriber->append_conf('postgresql.conf',
- 'logical_replication_mode = immediate');
+ 'debug_logical_replication_streaming = immediate');
# Reset the log_min_messages to default.
$node_subscriber->append_conf('postgresql.conf',
"log_min_messages = warning");
index 838049af65c36ff435f005652475dcd4ca754a77..9a2f06f272080b34bb17ea94c9361258706c2a74 100644 (file)
my $node_publisher = PostgreSQL::Test::Cluster->new('publisher');
$node_publisher->init(allows_streaming => 'logical');
$node_publisher->append_conf('postgresql.conf',
- 'logical_replication_mode = immediate');
+ 'debug_logical_replication_streaming = immediate');
$node_publisher->start;
# Create subscriber node
index 77c96011a9236f3edb81edcca57384e5a9b42fe2..201138882c383393656808206fb44998e369845a 100644 (file)
my $node_publisher = PostgreSQL::Test::Cluster->new('publisher');
$node_publisher->init(allows_streaming => 'logical');
$node_publisher->append_conf('postgresql.conf',
- 'logical_replication_mode = immediate');
+ 'debug_logical_replication_streaming = immediate');
$node_publisher->start;
# Create subscriber node
@@ -203,7 +203,7 @@ test_streaming($node_publisher, $node_subscriber, $appname, 1);
# Test serializing changes to files and notify the parallel apply worker to
# apply them at the end of the transaction.
$node_subscriber->append_conf('postgresql.conf',
- 'logical_replication_mode = immediate');
+ 'debug_logical_replication_streaming = immediate');
# Reset the log_min_messages to default.
$node_subscriber->append_conf('postgresql.conf',
"log_min_messages = warning");
index 6c2a9c5bf123fc75731829900011b11636a9d0b2..1ad7ace84a09e2a9d121f4088cbf718f15961b23 100644 (file)
my $node_publisher = PostgreSQL::Test::Cluster->new('publisher');
$node_publisher->init(allows_streaming => 'logical');
$node_publisher->append_conf('postgresql.conf',
- 'logical_replication_mode = immediate');
+ 'debug_logical_replication_streaming = immediate');
$node_publisher->start;
# Create subscriber node
index fdc9e2a0f047c9df63d0ded0d4848602932ad1a5..be9f2aab282e7861160cc9d225b18d033c5379a3 100644 (file)
@@ -301,7 +301,7 @@ $node_publisher->init(allows_streaming => 'logical');
$node_publisher->append_conf(
'postgresql.conf', qq(
max_prepared_transactions = 10
-logical_replication_mode = immediate
+debug_logical_replication_streaming = immediate
));
$node_publisher->start;
@@ -389,7 +389,7 @@ test_streaming($node_publisher, $node_subscriber, $appname, 1);
# Test serializing changes to files and notify the parallel apply worker to
# apply them at the end of the transaction.
$node_subscriber->append_conf('postgresql.conf',
- 'logical_replication_mode = immediate');
+ 'debug_logical_replication_streaming = immediate');
# Reset the log_min_messages to default.
$node_subscriber->append_conf('postgresql.conf',
"log_min_messages = warning");