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Improve logical replication worker log messages 

Reduce some redundant messages to DEBUG1.  Be clearer about the
distinction between apply workers and table synchronization workers.
Add subscription and table name where possible.

Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
This commit is contained in:
Peter Eisentraut 2017-05-24 18:56:21 -04:00
parent 85c2b9a15a
commit 92ecb148e5
3 changed files with 18 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/backend/replication/logical/launcher.c
View File

@ -260,7 +260,7 @@ logicalrep_worker_launch(Oid dbid, Oid subid, const char *subname, Oid userid,
int nsyncworkers;
TimestampTz now;
ereport(LOG,
ereport(DEBUG1,
(errmsg("starting logical replication worker for subscription \"%s\"",
subname)));

5
src/backend/replication/logical/tablesync.c
View File

@ -133,8 +133,11 @@ finish_sync_worker(void)
/* Find the main apply worker and signal it. */
logicalrep_worker_wakeup(MyLogicalRepWorker->subid, InvalidOid);
StartTransactionCommand();
ereport(LOG,
(errmsg("logical replication synchronization worker finished processing")));
(errmsg("logical replication table synchronization worker for subscription \"%s\", table \"%s\" has finished",
MySubscription->name, get_rel_name(MyLogicalRepWorker->relid))));
CommitTransactionCommand();
/* Stop gracefully */
walrcv_disconnect(wrconn);

24
src/backend/replication/logical/worker.c
View File

@ -1325,7 +1325,7 @@ reread_subscription(void)
if (!newsub)
{
ereport(LOG,
(errmsg("logical replication worker for subscription \"%s\" will "
(errmsg("logical replication apply worker for subscription \"%s\" will "
"stop because the subscription was removed",
MySubscription->name)));
@ -1340,7 +1340,7 @@ reread_subscription(void)
if (!newsub->enabled)
{
ereport(LOG,
(errmsg("logical replication worker for subscription \"%s\" will "
(errmsg("logical replication apply worker for subscription \"%s\" will "
"stop because the subscription was disabled",
MySubscription->name)));
@ -1355,7 +1355,7 @@ reread_subscription(void)
if (strcmp(newsub->conninfo, MySubscription->conninfo) != 0)
{
ereport(LOG,
(errmsg("logical replication worker for subscription \"%s\" will "
(errmsg("logical replication apply worker for subscription \"%s\" will "
"restart because the connection information was changed",
MySubscription->name)));
@ -1370,7 +1370,7 @@ reread_subscription(void)
if (strcmp(newsub->name, MySubscription->name) != 0)
{
ereport(LOG,
(errmsg("logical replication worker for subscription \"%s\" will "
(errmsg("logical replication apply worker for subscription \"%s\" will "
"restart because subscription was renamed",
MySubscription->name)));
@ -1388,7 +1388,7 @@ reread_subscription(void)
if (strcmp(newsub->slotname, MySubscription->slotname) != 0)
{
ereport(LOG,
(errmsg("logical replication worker for subscription \"%s\" will "
(errmsg("logical replication apply worker for subscription \"%s\" will "
"restart because the replication slot name was changed",
MySubscription->name)));
@ -1403,7 +1403,7 @@ reread_subscription(void)
if (!equal(newsub->publications, MySubscription->publications))
{
ereport(LOG,
(errmsg("logical replication worker for subscription \"%s\" will "
(errmsg("logical replication apply worker for subscription \"%s\" will "
"restart because subscription's publications were changed",
MySubscription->name)));
@ -1503,7 +1503,7 @@ ApplyWorkerMain(Datum main_arg)
if (!MySubscription->enabled)
{
ereport(LOG,
(errmsg("logical replication worker for subscription \"%s\" will not "
(errmsg("logical replication apply worker for subscription \"%s\" will not "
"start because the subscription was disabled during startup",
MySubscription->name)));
@ -1516,11 +1516,13 @@ ApplyWorkerMain(Datum main_arg)
(Datum) 0);
if (am_tablesync_worker())
elog(LOG, "logical replication sync for subscription %s, table %s started",
MySubscription->name, get_rel_name(MyLogicalRepWorker->relid));
ereport(LOG,
(errmsg("logical replication table synchronization worker for subscription \"%s\", table \"%s\" has started",
MySubscription->name, get_rel_name(MyLogicalRepWorker->relid))));
else
elog(LOG, "logical replication apply for subscription %s started",
MySubscription->name);
ereport(LOG,
(errmsg("logical replication apply worker for subscription \"%s\" has started",
MySubscription->name)));
CommitTransactionCommand();