'*' = <\/code>listen_addresses<\/code> \r\nwal_level = logical<\/code> \r\nmax_wal_senders = 8<\/code> max_replication_slots = 4<\/code><\/pre>\n:pg_hba.conf<\/p>\n
# TYPE\u00a0 DATABASE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 USER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ADDRESS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 METHOD\r\nhost\u00a0\u00a0\u00a0\u00a0 all\u00a0\u00a0\u00a0\u00a0 rep\u00a0\u00a0\u00a0\u00a0 192.168.100.144\/32\u00a0\u00a0\u00a0\u00a0 md5\r\n<\/pre>\n\u06a9\u0627\u0631\u0628\u0631 \u0631\u0627 \u0628\u0647 rep \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u062f\u0647\u06cc\u0645\u060c \u06a9\u0647 \u0628\u0631\u0627\u06cc replication \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f\u060c \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 ip \u0631\u0627 \u0628\u0647
\n\/32 192.168.100.144 \u06a9\u0647 \u0628\u0627 PostgreSQL11 \u0647\u0645\u062e\u0648\u0627\u0646\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/p>\n
\u062f\u0631 \u0633\u0645\u062a Subscriber \u0646\u06cc\u0632 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u0639\u06cc\u06cc\u0646 max-replication-slots \u062f\u0627\u0631\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0628\u0627\u06cc\u062f \u062d\u062f\u0627\u0642\u0644 \u0628\u0647 \u062a\u0639\u062f\u0627\u062f Subscription \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0647 subscriber \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u0634\u0648\u062f \u0628\u0627\u0634\u062f.
\n\u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u0628\u0627\u06cc\u062f \u062a\u0639\u06cc\u06cc\u0646 \u0634\u0648\u0646\u062f \u0646\u06cc\u0632 \u062f\u0631 \u0632\u06cc\u0631 \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:
\n\u2022 max-logical-replication-workers : \u062d\u062f\u0627\u06a9\u062b\u0631 \u062a\u0639\u062f\u0627\u062f worker \u0647\u0627\u06cc \u0647\u0645\u0627\u0646\u0646\u062f\u0633\u0627\u0632\u06cc \u0645\u0646\u0637\u0642\u06cc \u0631\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc\u06a9\u0646\u062f\u060c \u06a9\u0647 \u0634\u0627\u0645\u0644 worker \u0647\u0627\u06cc \u0645\u062a\u0642\u0627\u0636\u06cc \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 worker \u0647\u0627\u06cc \u0647\u0645\u0633\u0627\u0646 \u0633\u0627\u0632\u06cc \u062c\u062f\u0627\u0648\u0644 \u0627\u0633\u062a. Worker \u0647\u0627\u06cc \u0647\u0645\u0627\u0646\u0646\u062f\u0633\u0627\u0632\u06cc \u0645\u0646\u0637\u0642\u06cc \u0627\u0632 \u0627\u0633\u062a\u062e\u0631\u06cc \u06a9\u0647 \u062a\u0648\u0633\u0637 max_worker_processes \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647\u060c \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u0634\u0648\u0646\u062f.\u06a9\u0647 \u0628\u0627\u06cc\u062f \u0628\u0647 \u062a\u0639\u062f\u0627\u062f subscription \u0647\u0627 \u0628\u0627\u0634\u062f\u060c \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u06cc\u06a9 \u062a\u0639\u062f\u0627\u062f \u0630\u062e\u06cc\u0631\u0647 \u0628\u0631\u0627\u06cc \u0647\u0645\u0627\u0646\u0646\u062f\u0633\u0627\u0632\u06cc \u062c\u062f\u0648\u0644.
\n\u2022 Max-worker-processes : \u062d\u062f\u0627\u06a9\u062b\u0631 \u062a\u0639\u062f\u0627\u062f \u0641\u0631\u0627\u06cc\u0646\u062f\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0645\u06cc\u062a\u0648\u0627\u0646\u062f \u0633\u0627\u067e\u0648\u0631\u062a \u06a9\u0646\u062f \u0631\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc\u06a9\u0646\u062f.<\/p>\n
\u062d\u0627\u0644 \u0628\u0627\u06cc\u0633\u062a\u06cc subscriber \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n
<\/p>\n
:postgresql.conf<\/p>\n
listen_addresses = '*'\r\nmax_replication_slots = 4\r\nmax_logical_replication_workers = 4\r\nmax_worker_processes = 8<\/pre>\n\u0627\u0632 \u0622\u0646 \u062c\u0627 \u06a9\u0647 PostgreSQL11 \u0628\u0647 \u0632\u0648\u062f\u06cc \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 master \u0642\u0631\u0627\u0631 \u0645\u06cc\u06af\u06cc\u0631\u062f \u0628\u0627\u06cc\u062f \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc wal_mode \u0648 archive_mode \u0631\u0627 \u0647\u0645 \u0627\u06a9\u0646\u0648\u0646 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0647 \u062a\u0627 \u0628\u0639\u062f \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u0631\u06cc \u0627\u0633\u062a\u0627\u0631\u062a \u0633\u0631\u0648\u06cc\u0633 \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645.<\/p>\n
<\/p>\n
wal_level = logical<\/code> \r\narchive_mode = on<\/code><\/pre>\n <\/p>\n
\u0627\u06cc\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627 \u0645\u06cc\u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 replication slave \u062f\u06cc\u06af\u0631 \u0648 \u06cc\u0627 \u0648\u0642\u062a\u06cc \u0627\u0632 \u0628\u06a9 \u0622\u067e PITR \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u06a9\u0646\u06cc\u062f \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f.<\/p>\n
\u062f\u0631 publisher \u0628\u0627\u06cc\u062f \u06a9\u0627\u0631\u0628\u0631\u06cc \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0628\u0627 subscriber \u0645\u0627 \u0627\u062a\u0635\u0627\u0644 \u0628\u0631\u0642\u0631\u0627\u0631 \u06a9\u0646\u062f.<\/p>\n
<\/p>\n
world=# CREATE ROLE rep WITH LOGIN PASSWORD '*****' REPLICATION; \r\nCREATE ROLE\r\n<\/pre>\n\u0646\u0642\u0634\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u062a\u0635\u0627\u0644 replication \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u0634\u0648\u062f \u0628\u0627\u06cc\u062f \u062f\u0627\u0631\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc REPLICATION \u0628\u0627\u0634\u062f\u060c \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0646\u0642\u0634 \u0628\u0627\u06cc\u062f \u062f\u0631 pg_hba.conf \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0634\u062f\u0647 \u0628\u0627\u0634\u062f \u0648 \u062f\u0627\u0631\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc Login \u0628\u0627\u0634\u062f.<\/p>\n
\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u06a9\u067e\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0646\u0642\u0634 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0627\u062a\u0635\u0627\u0644 \u0647\u0645\u0627\u0646\u0646\u062f\u0633\u0627\u0632\u06cc \u0628\u0627\u06cc\u062f \u0627\u0632 \u0627\u0645\u062a\u06cc\u0627\u0632 SELECT \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0628\u0627\u0634\u062f.<\/p>\n
<\/p>\n
world=# GRANT SELECT ON ALL TABLES IN SCHEMA public to rep;\r\nGRANT\r\n<\/pre>\n\u0627\u0646\u062a\u0634\u0627\u0631 pub1 \u0628\u0631\u0627\u06cc \u062a\u0645\u0627\u0645\u06cc \u062c\u062f\u0627\u0648\u0644 \u062f\u0631 \u06af\u0631\u0647 Publisher \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u06a9\u0646\u06cc\u0645.<\/p>\n
world=# <\/code>CREATE<\/code> PUBLICATION pub1 <\/code>FOR<\/code> ALL<\/code> TABLES;<\/code> \r\nCREATE<\/code> PUBLICATION\r\n<\/code><\/pre>\n\u06a9\u0627\u0631\u0628\u0631\u06cc \u06a9\u0647 \u06cc\u06a9 publication \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u06a9\u0646\u062f \u0628\u0627\u06cc\u062f \u0627\u0632 \u0627\u0645\u062a\u06cc\u0627\u0632 CREATE \u062f\u0631 \u062f\u06cc\u062a\u0627\u0628\u06cc\u0633 \u0628\u0647\u0631\u0647 \u0645\u0646\u062f \u0628\u0627\u0634\u062f\u060c \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 publication \u06a9\u0647 \u062a\u0645\u0627\u0645\u06cc \u062a\u0645\u0627\u0645\u06cc \u062c\u062f\u0627\u0648\u0644 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0627\u062a\u0648\u0645\u0627\u062a\u06cc\u06a9 \u0646\u0634\u0631 \u062f\u0647\u062f \u06a9\u0627\u0631\u0628\u0631 \u0628\u0627\u06cc\u062f \u0627\u0632 \u0646\u0648\u0639 Superuser \u0628\u0627\u0634\u062f.<\/p>\n
<\/p>\n
\u0628\u0631\u0627\u06cc \u062a\u0627\u06cc\u06cc\u062f publication \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0632 \u06a9\u0627\u062a\u0627\u0644\u0648\u06af pg_publication \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u06a9\u0646\u06cc\u0645\u060c \u0627\u06cc\u0646 \u06a9\u0627\u062a\u0627\u0644\u0648\u06af \u0634\u0627\u0645\u0644 \u062a\u0645\u0627\u0645\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 publication \u0647\u0627 \u062f\u0631 \u062f\u06cc\u062a\u0627\u0628\u06cc\u0633 \u0627\u0633\u062a.<\/p>\n
<\/p>\n
world=# SELECT * FROM pg_publication;\r\n-[ RECORD 1 ]+------\r\npubname\u00a0\u00a0\u00a0\u00a0\u00a0 | pub1\r\npubowner\u00a0\u00a0\u00a0\u00a0 | 16384\r\npuballtables | t\r\npubinsert\u00a0\u00a0\u00a0 | t\r\npubupdate\u00a0\u00a0\u00a0 | t\r\npubdelete\u00a0\u00a0\u00a0 | t<\/pre>\n
\n- Pubname : \u0646\u0627\u0645 \u0627\u0646\u062a\u0634\u0627\u0631 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u062f\u0647\u062f<\/li>\n
- Pubowner : \u062f\u0627\u0631\u0646\u062f\u0647 \u06cc publication \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u062f\u0647\u062f<\/li>\n
- Puballtables : \u0627\u06af\u0631 \u0645\u0642\u062f\u0627\u0631 true \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0627\u06cc\u0646 \u0627\u0646\u062a\u0634\u0627\u0631 \u0634\u0627\u0645\u0644 \u062a\u0645\u0627\u0645 \u062c\u062f\u0627\u0648\u0644 \u062f\u06cc\u062a\u0627\u0628\u06cc\u0633 \u062e\u0648\u0627\u0647\u062f \u0634\u062f<\/li>\n
- Pubinsert : \u0627\u06af\u0631 \u0645\u0642\u062f\u0627\u0631 true \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0627\u06cc INSERT \u0628\u0631\u0627\u06cc \u062c\u062f\u0627\u0648\u0644 \u062f\u0631 publication \u0647\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0645\u06cc\u0634\u0648\u0646\u062f.<\/li>\n
- Pubupdate : \u0627\u06af\u0631 \u0645\u0642\u062f\u0627\u0631 true \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0627\u06cc INSERT \u0628\u0631\u0627\u06cc \u062c\u062f\u0627\u0648\u0644 \u062f\u0631 publication \u0647\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0645\u06cc\u0634\u0648\u0646\u062f.<\/li>\n
- Pubdelete : \u0627\u06af\u0631 \u0645\u0642\u062f\u0627\u0631 true \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f\u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0627\u06cc DELETE \u0628\u0631\u0627\u06cc \u062c\u062f\u0627\u0648\u0644 \u062f\u0631 publication \u0647\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0645\u06cc\u0634\u0648\u0646\u062f.<\/li>\n<\/ul>\n
<\/p>\n
\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0644\u06af\u0648 \u0647\u0645\u0627\u0646\u0646\u062f \u0633\u0627\u0632\u06cc \u0646\u0645\u06cc\u0634\u0648\u062f \u0628\u0627\u06cc\u0633\u062a\u06cc \u0627\u0632 postgreSQL10 \u0628\u06a9 \u0622\u067e \u062a\u0647\u06cc\u0647 \u06a9\u0631\u062f\u0647 \u0648 \u062f\u0631 postgreSQL11 \u067e\u06cc\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u060c \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0627\u0635\u0644\u06cc \u062f\u0631 \u0647\u0645\u0627\u0646 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0647\u0645\u0627\u0646\u0646\u062f\u0633\u0627\u0632\u06cc \u0645\u06cc\u0634\u0648\u0646\u062f\u060c \u0627\u06cc\u0646 \u0628\u06a9 \u0622\u067e \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc scheme (\u0627\u0644\u06af\u0648) \u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u0631\u0648\u062f.<\/p>\n
\u062f\u0631 PostgreSQL10 :<\/p>\n
$ pg_dumpall -s > schema.sql\r\n<\/pre>\n\u062f\u0631 PostgreSQL11 :<\/p>\n
$ psql -d postgres -f schema.sql\r\n<\/pre>\n\u0648\u0642\u062a\u06cc \u0627\u0632 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0627\u0644\u06af\u0648 \u062f\u0631 PostgreSQL11 \u0645\u0637\u0645\u0626\u0646 \u0634\u062f\u06cc\u0645\u060c \u06cc\u06a9 subscription \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u06a9\u0647 \u0628\u0627 \u0645\u062d\u06cc\u0637 \u062c\u062f\u06cc\u062f\u0645\u0627\u0646 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f \u0645\u06cc\u0633\u0627\u0632\u06cc\u0645<\/p>\n
world=# <\/code>CREATE<\/code> SUBSCRIPTION sub1 <\/code>CONNECTION<\/code> 'host=192.168.100.143 dbname=world user=rep password=*****'<\/code> PUBLICATION pub1;<\/code> \r\nNOTICE:\u00a0 created replication slot <\/code>\"sub1\"<\/code> on<\/code> publisher<\/code> CREATE<\/code> SUBSCRIPTION\r\n<\/code><\/pre>\n\u062f\u0633\u062a\u0648\u0631 \u0628\u0627\u0644\u0627 \u067e\u0631\u0648\u0633\u0647 \u06cc \u0647\u0645\u0627\u0646\u0646\u062f \u0633\u0627\u0632\u06cc \u0631\u0627 \u0622\u063a\u0627\u0632 \u06a9\u0631\u062f\u0647 \u06a9\u0647 \u0645\u062d\u062a\u0648\u06cc\u0627\u062a \u062c\u062f\u0648\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0627\u0632 \u062c\u062f\u0627\u0648\u0644 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 publication \u0631\u0627 \u0647\u0645\u0632\u0645\u0627\u0646 \u0645\u06cc\u06a9\u0646\u062f \u0648 \u0633\u067e\u0633 \u0647\u0645\u0627\u0646\u0646\u062f\u0633\u0627\u0632\u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0627\u0641\u0632\u0627\u06cc\u0634\u06cc \u062f\u0631 \u0622\u0646 \u062c\u062f\u0627\u0648\u0644 \u0631\u0627 \u0634\u0631\u0648\u0639 \u0645\u06cc\u06a9\u0646\u062f.
\n\u06a9\u0627\u0631\u0628\u0631\u06cc \u06a9\u0647 subscription \u0631\u0627 \u0645\u06cc\u0633\u0627\u0632\u062f \u0628\u0627\u06cc\u062f superuser \u0628\u0627\u0634\u062f.<\/p>\n
\u0628\u0631\u0627\u06cc \u062a\u0627\u06cc\u06cc\u062f subscription \u0633\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0645\u06cc\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u06a9\u0627\u062a\u0627\u0644\u0648\u06af pg_stat_subscription \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n
<\/p>\n
world=# <\/code>SELECT<\/code> * <\/code>FROM<\/code> pg_stat_subscription;<\/code> \r\n-[ RECORD 1 ]<\/code>---------+------------------------------<\/code> subid\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 16428<\/code> subname\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | sub1<\/code> pid\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 1111<\/code> \r\nrelid\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |<\/code> received_lsn\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 0\/172AF90<\/code> \r\nlast_msg_send_time\u00a0\u00a0\u00a0 | 2018-12-05 22:11:45.195963+00<\/code> \r\nlast_msg_receipt_time | 2018-12-05 22:11:45.196065+00<\/code> \r\nlatest_end_lsn\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 0\/172AF90<\/code> \r\nlatest_end_time\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 2018-12-05 22:11:45.195963+00\r\n<\/code><\/pre>\n\u2022 Subid : OID \u0633\u0627\u0628\u0633\u06a9\u0631\u06cc\u067e\u0634\u0646
\n\u2022 Subname : \u0646\u0627\u0645 \u0633\u0627\u0628\u0633\u06a9\u0631\u06cc\u067e\u0634\u0646
\n\u2022 Pid :\u0634\u0646\u0627\u0633\u0647 \u067e\u0631\u062f\u0627\u0632\u0634
\n\u2022 Relid : OID \u0627\u0632 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u06a9\u0647 worker \u0647\u0645\u0632\u0645\u0627\u0646 \u0645\u06cc\u06a9\u0646\u062f\u060c \u06a9\u0647 \u0628\u0631\u0627\u06cc worker \u0645\u062a\u0642\u0627\u0636\u06cc \u062a\u0647\u06cc \u0627\u0633\u062a.
\n\u2022 Received_lsn : \u0627\u062e\u0631\u06cc\u0646 \u0645\u06a9\u0627\u0646 \u0648\u0631\u0648\u062f\u06cc \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645\u060c \u0645\u0642\u062f\u0627\u0631 \u0627\u0648\u0644\u06cc\u0647 \u0627\u06cc\u0646 \u0641\u06cc\u0644\u062f 0 \u0627\u0633\u062a.
\n\u2022 Last_msg_send_time : \u0632\u0645\u0627\u0646 \u0627\u0631\u0633\u0627\u0644 \u0627\u062e\u0631\u06cc\u0646 \u067e\u06cc\u0627\u0645 \u062f\u0631\u06cc\u0627\u0641\u062a \u0634\u062f\u0647 \u0627\u0632 WAL Sender
\n\u2022 Last_msg_reciept_time : \u0632\u0645\u0627\u0646 \u062f\u0631\u06cc\u0627\u0641\u062a \u0627\u062e\u0631\u06cc\u0646 \u067e\u06cc\u0627\u0645 \u062f\u0631\u06cc\u0627\u0641\u062a \u0634\u062f\u0647 \u0627\u0632 WAL Sender
\n\u2022 Latest_end_lsn : \u0627\u062e\u0631\u06cc\u0646 \u0645\u06a9\u0627\u0646 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u06a9\u0647 \u0628\u0647 WAL Sender \u06af\u0632\u0627\u0631\u0634 \u0634\u062f\u0647 \u0627\u0633\u062a.
\n\u2022 Latest_end_time : \u0632\u0645\u0627\u0646 \u0627\u062e\u0631\u06cc\u0646 \u0645\u06a9\u0627\u0646 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u06a9\u0647 \u0628\u0647 WAL Sender \u06af\u0632\u0627\u0631\u0634 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n
\u0628\u0631\u0627\u06cc \u062a\u0627\u06cc\u06cc\u062f \u0648\u0636\u0639\u06cc\u062a \u0647\u0645\u0627\u0646\u0646\u062f \u0633\u0627\u0632\u06cc \u062f\u0631 master \u0627\u0632 pg_stat_replication \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u06a9\u0646\u06cc\u0645 :<\/p>\n
<\/p>\n
world=# <\/code>SELECT<\/code> * <\/code>FROM<\/code> pg_stat_replication;<\/code> \r\n-[ RECORD 1 ]<\/code>----+------------------------------<\/code> \r\npid\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 1178<\/code> \r\nusesysid\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 16427<\/code> usename\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | rep<\/code> application_name | sub1<\/code> client_addr\u00a0\u00a0\u00a0\u00a0\u00a0 | 192.168.100.144<\/code> client_hostname\u00a0 |<\/code> client_port\u00a0\u00a0\u00a0\u00a0\u00a0 | 58270<\/code> backend_start\u00a0\u00a0\u00a0 | 2018-12-05 22:11:45.097539+00<\/code> backend_xmin\u00a0\u00a0\u00a0\u00a0 |<\/code> state\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | streaming\r\n<\/code>sent_lsn\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 0\/172AF90\r\n<\/code>write_lsn\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 0\/172AF90<\/code> flush_lsn\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 0\/172AF90<\/code> replay_lsn\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 0\/172AF90<\/code> write_lag\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |<\/code> flush_lag\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n<\/code>replay_lag\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |<\/code> sync_priority\u00a0\u00a0\u00a0 | 0\r\n<\/code>sync_state\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | async\r\n\r\n<\/code><\/pre>\n\u2022 Pid : \u0634\u0646\u0627\u0633\u0647 \u067e\u0631\u062f\u0627\u0632\u0634 \u0641\u0631\u0622\u06cc\u0646\u062f WAL SENDER
\n\u2022 Usesysid : OID \u06a9\u0627\u0631\u0628\u0631 \u0648\u0627\u0631\u062f \u0634\u062f\u0647 \u0628\u0647 \u067e\u0631\u0648\u0633\u0647 \u06cc WAL
\n\u2022 Usename : \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631 \u0648\u0627\u0631\u062f \u0634\u062f\u0647 \u0628\u0647 \u067e\u0631\u0648\u0633\u0647 WAL
\n\u2022 Application_name : \u0646\u0627\u0645 \u0627\u067e\u0644\u06cc\u06a9\u06cc\u0634\u0646 \u0645\u062a\u0635\u0644 \u0628\u0647 \u067e\u0631\u0648\u0633\u0647 WAL
\n\u2022 Client_addr : \u0622\u062f\u0631\u0633 IP \u06a9\u0644\u0627\u06cc\u0646\u062a \u0645\u062a\u0635\u0644 \u0628\u0647 WAL. \u0627\u06a9\u0631 \u0645\u0642\u062f\u0627\u0631 \u0627\u06cc\u0646 \u0641\u06cc\u0644\u062f Null \u0628\u0627\u0634\u062f \u0646\u0634\u0627\u0646 \u0645\u06cc\u062f\u0647\u062f \u06a9\u0647 \u06a9\u0627\u0631\u0628\u0631 \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u0633\u0648\u06a9\u062a Unix \u0628\u0631 \u0631\u0648\u06cc \u0633\u0631\u0648\u0631 \u06a9\u0627\u0646\u06a9\u062a \u0634\u062f\u0647 \u0627\u0633\u062a.
\n\u2022 Client_hostname : \u0646\u0627\u0645 \u0647\u0627\u0633\u062a \u06a9\u0627\u0631\u0628\u0631 \u0645\u062a\u0635\u0644
\n\u2022 Client_Port : \u0634\u0645\u0627\u0631\u0647 \u067e\u0648\u0631\u062a TCP \u06a9\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0628\u0631\u0627\u06cc \u0627\u062a\u0635\u0627\u0644 \u0628\u0627 WAL \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u06a9\u0646\u062f\u061b \u06a9\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0633\u0648\u06a9\u062a Unix \u0645\u0642\u062f\u0627\u0631\u06cc \u0628\u0631\u0627\u0628\u0631 -1 \u062f\u0627\u0631\u062f.
\n\u2022 Backend_start : \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u067e\u0631\u062f\u0627\u0632\u0634 \u0627\u063a\u0627\u0632 \u0634\u062f\u0647 \u0627\u0633\u062a.
\n\u2022 State : \u062d\u0627\u0644\u062a \u06a9\u0646\u0648\u0646\u06cc WAL \u06a9\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0622\u0646 \u0645\u06cc\u062a\u0648\u0627\u0646\u062f : startup,catchup,streaming,backup \u0648 stopping \u0628\u0627\u0634\u062f.
\n\u2022 Sent_lsn : \u0622\u062e\u0631\u06cc\u0646 \u0645\u06a9\u0627\u0646 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u062f\u0631 \u0627\u06cc\u0646 \u0627\u062a\u0635\u0627\u0644
\n\u2022 Write_lsn : \u0622\u062e\u0631\u06cc\u0646 \u0645\u06a9\u0627\u0646 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0633\u0631\u0648\u0631 \u0622\u0645\u0627\u062f\u0647 \u0628\u0647 \u06a9\u0627\u0631 \u0628\u0631 \u0631\u0648\u06cc \u062f\u06cc\u0633\u06a9 \u0646\u0648\u0634\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.
\n\u2022 Flushed_lsn : \u0622\u062e\u0631\u06cc\u0646 \u0645\u06a9\u0627\u0646 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0633\u0631\u0648\u0631 \u0627\u0645\u0627\u062f\u0647 \u0628\u0647 \u06a9\u0627\u0631 \u0622\u0645\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.
\n\u2022 Write_lag : \u0645\u062f\u062a \u0632\u0645\u0627\u0646 \u0628\u06cc\u0646 \u0622\u067e\u062f\u06cc\u062a \u0622\u062e\u0631\u06cc\u0646 WAL \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062d\u0644\u06cc \u0648 \u062f\u0631\u06cc\u0627\u0641\u062a \u0627\u0639\u0644\u0627\u0646\u0627\u062a\u06cc \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0633\u0631\u0648\u0631 \u0622\u0645\u0627\u062f\u0647 \u0628\u0647 \u06a9\u0627\u0631 \u0646\u0648\u0634\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a(\u0627\u0645\u0627 \u0647\u0646\u0648\u0632 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0648 \u0639\u0645\u0644\u06cc \u0646\u0634\u062f\u0647 \u0627\u0633\u062a)
\n\u2022 Flush_lag : \u0645\u062f\u062a \u0632\u0645\u0627\u0646 \u0628\u06cc\u0646 \u0622\u067e\u062f\u06cc\u062a \u0622\u062e\u0631\u06cc\u0646 WAL \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062d\u0644\u06cc \u0648 \u062f\u0631\u06cc\u0627\u0641\u062a \u0627\u0639\u0644\u0627\u0646\u0627\u062a\u06cc \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0633\u0631\u0648\u0631 \u0622\u0645\u0627\u062f\u0647 \u0628\u0647 \u06a9\u0627\u0631 \u0646\u0648\u0634\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a ( \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0634\u062f\u0647 \u0627\u0645\u0627 \u0639\u0645\u0644\u06cc \u0646\u0634\u062f\u0647)
\n\u2022 Replay_lag : \u0645\u062f\u062a \u0632\u0645\u0627\u0646 \u0628\u06cc\u0646 \u0622\u067e\u062f\u06cc\u062a \u0622\u062e\u0631\u06cc\u0646 WAL \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062d\u0644\u06cc \u0648 \u062f\u0631\u06cc\u0627\u0641\u062a \u0627\u0639\u0644\u0627\u0646\u0627\u062a\u06cc \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0633\u0631\u0648\u0631 \u0622\u0645\u0627\u062f\u0647 \u0628\u0647 \u06a9\u0627\u0631 \u0646\u0648\u0634\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a ( \u0647\u0645 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0634\u062f\u0647 \u0648 \u0647\u0645 \u0639\u0645\u0644\u06cc \u0634\u062f\u0647 )
\n\u2022 Sync_priority : \u0627\u0648\u0644\u0648\u06cc\u062a \u0627\u0646\u062a\u062e\u0627\u0628 \u06cc\u06a9 \u0633\u0631\u0648\u0631 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0633\u0631\u0648\u0631 \u0627\u0633\u062a\u0646\u062f\u0628\u0627\u06cc \u0622\u0645\u0627\u062f\u0647 \u0628\u0647 \u06a9\u0627\u0631
\n\u2022 Sync_state : \u062d\u0627\u0644\u062a \u0647\u0645 \u0632\u0645\u0627\u0646 \u0627\u06cc\u0646 \u0633\u0631\u0648\u0631 \u0627\u0633\u062a\u0646\u062f\u0628\u0627\u06cc\u061b \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u0645\u06cc\u062a\u0648\u0627\u0646\u0646\u062f : async,potential,sync,quorum \u0628\u0627\u0634\u0646\u062f<\/p>\n
<\/p>\n
\u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u062a\u0645\u0627\u0645 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc\u062a\u0648\u0627\u0646\u06cc\u0645 Subscriber Log \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u0645 :<\/p>\n
<\/p>\n
2018-12-05 22:11:45.096 UTC [1111] LOG:\u00a0 logical replication apply worker for subscription \"sub1\" has started\r\n2018-12-05 22:11:45.103 UTC [1112] LOG:\u00a0 logical replication table synchronization worker for subscription \"sub1\", table \"city\" has started\r\n2018-12-05 22:11:45.114 UTC [1113] LOG:\u00a0 logical replication table synchronization worker for subscription \"sub1\", table \"country\" has started\r\n2018-12-05 22:11:45.156 UTC [1112] LOG:\u00a0 logical replication table synchronization worker for subscription \"sub1\", table \"city\" has finished\r\n2018-12-05 22:11:45.162 UTC [1114] LOG:\u00a0 logical replication table synchronization worker for subscription \"sub1\", table \"countrylanguage\" has started\r\n2018-12-05 22:11:45.168 UTC [1113] LOG:\u00a0 logical replication table synchronization worker for subscription \"sub1\", table \"country\" has finished\r\n2018-12-05 22:11:45.206 UTC [1114] LOG:\u00a0 logical replication table synchronization worker for subscription \"sub1\", table \"countrylanguage\" has finished\r\n<\/pre>\n\u0648 \u06cc\u0627 \u0686\u06a9 \u06a9\u0631\u062f\u0646 \u0645\u062a\u063a\u06cc\u0631 srsubstate \u0628\u0631 \u0631\u0648\u06cc \u06a9\u0627\u062a\u0627\u0644\u0648\u06af pg_subscribtion_rel\u061b \u0627\u06cc\u0646 \u06a9\u0627\u062a\u0627\u0644\u0648\u06af \u0634\u0627\u0645\u0644 \u062a\u0645\u0627\u0645\u06cc \u062d\u0627\u0644\u0627\u062a replication \u062f\u0631 \u0647\u0631 subsctiption \u0627\u0633\u062a.<\/p>\n
<\/p>\n
world=# SELECT * FROM pg_subscription_rel;\r\n-[ RECORD 1 ]---------\r\nsrsubid | 16428\r\nsrrelid | 16387\r\nsrsubstate | r\r\nsrsublsn | 0\/172AF20\r\n-[ RECORD 2 ]---------\r\nsrsubid | 16428\r\nsrrelid | 16393\r\nsrsubstate | r\r\nsrsublsn | 0\/172AF58\r\n-[ RECORD 3 ]---------\r\nsrsubid | 16428\r\nsrrelid | 16400\r\nsrsubstate | r\r\nsrsublsn | 0\/172AF90\r\n<\/pre>\n
\n- Srsubid : \u0627\u0631\u062c\u0627\u0639 \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u062f\u0627\u0631\u062f.<\/li>\n
- Srrelid : \u0627\u0631\u062c\u0627\u0639 \u0628\u0647 \u0631\u0627\u0628\u0637\u0647 \u062f\u0627\u0631\u062f.<\/li>\n
- Srsubstate : I = initialize, d = data is being copied, s = synchronized, r = ready<\/li>\n
- Srsublsn : LSN \u067e\u0627\u06cc\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc \u062d\u0627\u0644\u0627\u062a s \u0648 r<\/li>\n<\/ul>\n
<\/p>\n
\u0645\u06cc\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0639\u0636\u06cc \u0627\u0632 \u0631\u06a9\u0648\u0631\u062f\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u062a\u0633\u062a \u062f\u0631 postgreSQL10 \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0647 \u0648 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u062f\u0631 PostgreSQL11 \u062f\u0627\u0631\u06cc\u0645 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u0645.<\/p>\n
<\/p>\n
PostgreSQL 10:<\/p>\n
world=# <\/code>INSERT<\/code> INTO<\/code> city (id,<\/code>name<\/code>,countrycode,district,population) <\/code>VALUES<\/code> (5001,<\/code>'city1'<\/code>,<\/code>'USA'<\/code>,<\/code>'District1'<\/code>,10000);<\/code> INSERT<\/code> 0 1<\/code> \r\nworld=# <\/code>INSERT<\/code> INTO<\/code> city (id,<\/code>name<\/code>,countrycode,district,population) <\/code>VALUES<\/code> (5002,<\/code>'city2'<\/code>,<\/code>'ITA'<\/code>,<\/code>'District2'<\/code>,20000);<\/code> \r\nINSERT<\/code> 0 1<\/code> world=# <\/code>INSERT<\/code> INTO<\/code> city (id,<\/code>name<\/code>,countrycode,district,population) <\/code>VALUES<\/code> (5003,<\/code>'city3'<\/code>,<\/code>'CHN'<\/code>,<\/code>'District3'<\/code>,30000);<\/code> \r\nINSERT<\/code> 0 1<\/code><\/pre>\nPostgreSQL 11 :<\/p>\n
world=# <\/code>SELECT<\/code> * <\/code>FROM<\/code> city <\/code>WHERE<\/code> id>5000;<\/code> \u00a0\r\n\u00a0<\/code>id\u00a0 | <\/code>name<\/code>\u00a0 | countrycode | district\u00a0 | population<\/code> \r\n------+-------+-------------+-----------+------------<\/code> \u00a0\r\n<\/code>5001 | city1 | USA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | District1 |\u00a0\u00a0\u00a0\u00a0\u00a0 10000<\/code> \u00a0\r\n<\/code>5002 | city2 | ITA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | District2 |\u00a0\u00a0\u00a0\u00a0\u00a0 20000<\/code> \r\n<\/code>5003 | city3 | CHN\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | District3 |\u00a0\u00a0\u00a0\u00a0\u00a0 30000<\/code> \r\n(3 <\/code>rows<\/code>)<\/code><\/pre>\n\u0627\u06a9\u0646\u0648\u0646 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0622\u0645\u0627\u062f\u0647 \u06cc \u0648\u0635\u0644 \u06a9\u0631\u062f\u0646 \u0627\u067e\u0644\u06cc\u06a9\u06cc\u0634\u0646 \u0645\u0627 \u0628\u0647 PostgreSQL11 \u0627\u0633\u062a\u061b \u0627\u0645\u0627 \u0628\u0627\u06cc\u062f \u0627\u0648\u0644 \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0647\u0645\u0627\u0646\u0646\u062f\u0633\u0627\u0632\u06cc (replication) \u062e\u0637\u0627 \u0648 \u06cc\u0627 \u06a9\u0646\u062f\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f.<\/p>\n
\u0628\u0631 \u0631\u0648\u06cc master :<\/p>\n
<\/p>\n
world=# <\/code>SELECT<\/code>\u00a0 application_name,\u00a0 pg_wal_lsn_diff(pg_current_wal_lsn(), replay_lsn) lag <\/code>FROM<\/code> pg_stat_replication;<\/code> \r\n-[ RECORD 1 ]<\/code>----+-----<\/code> \r\napplication_name | sub1<\/code> lag\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 0\r\n<\/code><\/pre>\n\u062d\u0627\u0644 \u0628\u0627\u06cc\u0633\u062a\u06cc endpoint \u0627\u067e\u0644\u06cc\u06a9\u06cc\u0634\u0646 \u0631\u0627 \u0628\u0647 PostgreSQL11 \u062a\u063a\u06cc\u06cc\u0631\u062f\u0627\u062f\u0647 \u0648 \u06cc\u0627 \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 load balancer \u062f\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631 \u062f\u0627\u0631\u06cc\u0645 \u0622\u0646 \u0631\u0627 \u0628\u0647 PostgreSQL11 \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0647\u06cc\u0645.
\n\u0627\u06af\u0631 \u0627\u0632 load balancer \u0627\u06cc \u0645\u0627\u0646\u0646\u062f HAProxy \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u06a9\u0646\u06cc\u062f \u0645\u06cc\u062a\u0648\u0627\u0646\u06cc\u0645 \u0647\u0645\u0627\u0646\u0646\u062f \u0634\u06a9\u0644 \u0632\u06cc\u0631 \u0628\u0647 \u0635\u0648\u0631\u062a \u0641\u0639\u0627\u0644 \u062f\u0631 PostgreSQl10 \u0648 \u0628\u0647 \u0635\u0648\u0631\u062a \u0628\u06a9 \u0622\u067e \u062f\u0631 PostgreSQL11 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n
![\"\"](\"https:\/\/getpancake.com\/fa\/wp-content\/uploads\/2020\/05\/image1.jpg\")
<\/p>\n
<\/p>\n
\u062f\u0631 \u067e\u0627\u06cc\u0627\u0646 \u0645\u06cc\u062a\u0648\u0627\u0646\u06cc\u062f subscription \u0631\u0627 \u0627\u0632 master \u062c\u062f\u06cc\u062f\u062a\u0627\u0646 \u062f\u0631 PostgreSQL11 \u067e\u0627\u06a9 \u06a9\u0646\u06cc\u062f:<\/p>\n
world=# <\/code>DROP<\/code> SUBSCRIPTION sub1;<\/code> \r\nNOTICE:\u00a0 dropped replication slot <\/code>\"sub1\"<\/code> on<\/code> publisher<\/code> \r\nDROP<\/code> SUBSCRIPTION\r\n<\/code><\/pre>\n\u0648 \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u062f \u06a9\u0647 \u06a9\u0627\u0645\u0644\u0627 \u067e\u0627\u06a9 \u0634\u062f\u0647 \u0627\u0633\u062a :<\/p>\n
<\/p>\n
world=# <\/code>SELECT<\/code> * <\/code>FROM<\/code> pg_subscription_rel;<\/code> \r\n(0 <\/code>rows<\/code>)<\/code>\r\nworld=# <\/code>SELECT<\/code> * <\/code>FROM<\/code> pg_stat_subscription;<\/code>\r\n(0 <\/code>rows<\/code>)\r\n<\/code><\/pre>\n\u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627<\/span> :
\n\u0642\u0628\u0644 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0647\u0645\u0627\u0646\u0646\u062f \u0633\u0627\u0632\u06cc \u0645\u0646\u0637\u0642\u06cc\u060c \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/p>\n\u062f\u0633\u062a\u0648\u0631\u0627\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0648 \u062f\u0633\u062a\u0648\u0631\u0627\u062a DDL \u0647\u0645\u0627\u0646\u0646\u062f \u0633\u0627\u0632\u06cc \u0646\u0645\u06cc\u0634\u0648\u0646\u062f\u060c \u0637\u0631\u062d \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u0645\u06cc\u062a\u0648\u0627\u0646 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 pg_dump \u0646\u0633\u062e\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u06a9\u0631\u062f.<\/p>\n
\u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062f\u0646\u0628\u0627\u0644\u0647 \u0627\u06cc \u0646\u06cc\u0632 \u0647\u0645\u0627\u0646\u0646\u062f\u0633\u0627\u0632\u06cc \u0646\u0645\u06cc\u0634\u0648\u0646\u062f\u061b \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0633\u062a\u0648\u0646 \u0647\u0627\u06cc \u0633\u0631\u06cc\u0627\u0644\u06cc \u06cc\u0627 \u0647\u0648\u06cc\u062a\u06cc \u06a9\u0647 \u062a\u0648\u0633\u0637 \u062f\u0646\u0628\u0627\u0644\u0647 \u0647\u0627 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u0634\u0648\u0646\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632\u062c\u062f\u0648\u0644 \u0647\u0645\u0627\u0646\u0646\u062f \u0633\u0627\u0632\u06cc \u0645\u06cc\u0634\u0648\u0646\u062f\u060c \u0627\u0645\u0627 \u062e\u0648\u062f \u062f\u0646\u0628\u0627\u0644\u0647 \u0647\u0627 \u0647\u0645\u0686\u0646\u0627\u0646 \u0645\u0642\u062f\u0627\u0631 \u0634\u0631\u0648\u0639 \u0631\u0627 \u062f\u0631 subscriber \u0646\u0634\u0627\u0646 \u0645\u06cc\u062f\u0647\u062f.<\/p>\n
\u0647\u0645\u0627\u0646\u0646\u062f \u0633\u0627\u0632\u06cc \u062f\u0633\u062a\u0648\u0631\u0627\u062a TRUNCATE \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u0634\u0648\u062f\u060c \u0627\u0645\u0627 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u06a9\u0648\u062a\u0627\u0647 \u06a9\u0631\u062f\u0646 \u06af\u0631\u0648\u0647 \u0647\u0627\u06cc \u062c\u062f\u0627\u0648\u0644 \u0645\u062a\u0635\u0644 \u0628\u0647 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u062e\u0627\u0631\u062c\u06cc \u0628\u0627\u06cc\u062f \u062f\u0642\u062a \u0628\u06cc\u0634\u062a\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f.<\/p>\n
\u0647\u0646\u06af\u0627\u0645 \u062a\u06a9\u0631\u0627\u0631 \u06cc\u06a9 \u0639\u0645\u0644 \u06a9\u0648\u062a\u0627\u0647\u060c subscriber \u0647\u0645\u0627\u0646 \u06af\u0631\u0648\u0647 \u062c\u062f\u0627\u0648\u0644 \u0631\u0627 \u06a9\u0647 \u062f\u0631 \u0646\u0627\u0634\u0631 \u06a9\u0648\u062a\u0627\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a \u06cc\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0636\u0645\u0646\u06cc \u062a\u0648\u0633\u0637 CASCADE \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0645\u0646\u0647\u0627\u06cc \u062c\u062f\u0627\u0648\u0644 \u06a9\u0647 \u062c\u0632\u0650\u0626\u06cc \u0627\u0632 \u0627\u0634\u062a\u0631\u0627\u06a9 \u0646\u06cc\u0633\u062a\u0646\u062f \u0631\u0627 \u06a9\u0648\u062a\u0627\u0647 \u0645\u06cc\u06a9\u0646\u062f.<\/p>\n
\u0627\u0634\u06cc\u0627 \u0628\u0632\u0631\u06af \u0647\u0645\u0627\u0646\u0646\u062f \u0633\u0627\u0632\u06cc \u0646\u0645\u06cc\u0634\u0648\u0646\u062f\u060c \u0647\u06cc\u0686 \u0631\u0627\u0647 \u062d\u0644 \u062f\u06cc\u06af\u0631\u06cc \u0628\u0647 \u063a\u06cc\u0631 \u0627\u0632 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u062f\u0631 \u062c\u062f\u0627\u0648\u0644 \u0646\u0631\u0645\u0627\u0644 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f\u061b \u062a\u06a9\u062b\u06cc\u0631 \u0641\u0642\u0637 \u0627\u0632 \u062c\u062f\u0627\u0648\u0644 \u067e\u0627\u06cc\u0647 \u062a\u0627 \u062c\u062f\u0627\u0648\u0644 \u067e\u0627\u06cc\u0647 \u0627\u0645\u06a9\u0627\u0646 \u067e\u0630\u06cc\u0631 \u0627\u0633\u062a.
\n\u06cc\u0639\u0646\u06cc \u062c\u062f\u0627\u0648\u0644 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0627\u0646\u062a\u0634\u0627\u0631 \u0648 \u062f\u0631 \u0642\u0633\u0645\u062a \u0627\u0634\u062a\u0631\u0627\u06a9 \u0628\u0627\u06cc\u062f \u062c\u062f\u0627\u0648\u0644 \u0646\u0631\u0645\u0627\u0644 \u0628\u0627\u0634\u0646\u062f \u0648 \u0646\u0647 view \u0647\u0627 \u06cc\u0627 materialized view, partition root tables, foreign tables<\/p>\n
\u062f\u0631 \u0645\u0648\u0631\u062f \u067e\u0627\u0631\u062a\u06cc\u0634\u0646 \u0647\u0627 \u0645\u06cc\u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0633\u0644\u0633\u0644\u0647 \u0645\u0631\u0627\u062a\u0628 \u067e\u0627\u0631\u062a\u06cc\u0634\u0646 \u0631\u0627 \u06cc\u06a9 \u0628\u0647 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u062f \u0627\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631 \u0646\u0645\u06cc\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u06cc\u06a9 \u067e\u0627\u0631\u062a\u06cc\u0634\u0646 \u0645\u062a\u0641\u0627\u0648\u062a replicate \u06a9\u0646\u06cc\u062f.<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u0645\u0627 \u0633\u0639\u06cc \u06a9\u0631\u062f\u06cc\u0645 \u0646\u062d\u0648\u0647 \u0622\u067e\u06af\u0631\u06cc\u062f \u06a9\u0631\u062f\u0646 PostgreSQL10 \u0628\u0647 \u0648\u0631\u0698\u0646 \u0628\u0639\u062f\u06cc \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u062c\u0627\u0645\u0639 \u062a\u0634\u0631\u06cc\u062d \u06a9\u0646\u06cc\u0645\u060c \u0627\u0645\u06cc\u062f\u0648\u0627\u0631\u06cc\u0645 \u0627\u0632 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0631\u0627 \u0628\u0631\u062f\u0647 \u0628\u0627\u0634\u06cc\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u062d\u0627\u0644\u0627 \u06a9\u0647 \u0628\u0627 \u0648\u06cc\u0698\u06af\u06cc \u062c\u062f\u06cc\u062f \u0622\u067e\u062f\u06cc\u062a PostgreSQL \u0622\u0634\u0646\u0627 \u0634\u062f\u06cc\u062f\u060c \u0645\u06cc\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u062d\u0644 \u0645\u0633\u0626\u0644\u0647 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645. \u0628\u0631\u0627\u06cc \u0622\u0646\u06a9\u0647 \u0647\u0645\u0627\u0646\u0646\u062f \u0633\u0627\u0632\u06cc \u0645\u0646\u0637\u0642\u06cc \u0631\u0627 \u0628\u0647 \u0631\u0627\u0647 \u0628\u06cc\u0627\u0646\u062f\u0627\u0632\u06cc\u0645 \u0628\u0627\u06cc\u0633\u062a\u06cc \u0645\u0631\u0627\u062d\u0644 \u0632\u06cc\u0631 \u0635\u0648\u0631\u062a \u06af\u06cc\u0631\u062f: \u06af\u0631\u0647 \u0646\u0627\u0634\u0631 \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u0645. \u06af\u0631\u0647 \u0633\u0627\u0628\u0633\u06a9\u0631\u0627\u06cc\u0628\u0631 \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u0645 \u06cc\u0648\u0632\u0631 \u0633\u0627\u0628\u0633\u06a9\u0631\u0627\u06cc\u0628\u0631 \u062f\u0631\u0633\u062a \u06a9\u0646\u06cc\u0645 \u06cc\u06a9 \u0627\u0646\u062a\u0634\u0627\u0631 \u062f\u0631\u0633\u062a \u06a9\u0646\u06cc\u0645 \u0633\u0627\u062e\u062a\u0627\u0631 \u062c\u062f\u0648\u0644 \u0631\u0627 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"\n
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