Trying to setup pglogical with no success

On 04/13/2016 03:16 PM, cchee-ob wrote:

Here's what I have done to try to set up pglogical. What am I doing wrong?

Not sure. Did you do this?:

http://2ndquadrant.com/en/resources/pglogical/pglogical-docs/

"The pglogical_output extension needs to be installed on both provider and subscriber. No actual CREATE EXTENSION is required, it must just be present in the PostgreSQL installation."

"pg_hba.conf has to allow replication connections from localhost, by a user with replication privilege."

Not sure if:

host replication postgres 10.241.0.10/32 trust
host replication postgres 10.241.0.12/32 trust

are being seen as localhost.

2 nodes
provider - 10.241.0.10
subscriber - 10.241.0.12

svp2=# select version();
version
------------------------------------------------------------------------------------------
PostgreSQL 9.5.2 on x86_64-pc-linux-gnu, compiled by gcc (Debian 4.9.2-10)
4.9.2, 64-bit
(1 row)

svp2=# \dx
List of installed extensions
Name | Version | Schema | Description
-----------+---------+------------+--------------------------------
pglogical | 1.0.1 | pglogical | PostgreSQL Logical Replication
plpgsql | 1.0 | pg_catalog | PL/pgSQL procedural language
(2 rows)

pg_hba.conf

# TYPE DATABASE USER ADDRESS METHOD

local all postgres trust
local replication postgres trust

# TYPE DATABASE USER ADDRESS METHOD
host all all 127.0.0.1/32 trust
host svp2 svc,tms,svcro 0.0.0.0/0 md5
host all all 10.241.0.10/32 trust
host replication postgres 10.241.0.10/32 trust
host all all 10.241.0.12/32 trust
host replication postgres 10.241.0.12/32 trust

postgresql.conf

# PGLOGICAL

shared_preload_libraries = 'pglogical'
max_worker_processes = 10
wal_level = 'logical'
max_wal_senders = 10
max_replication_slots = 10
track_commit_timestamp = on

PROVIDER

select pglogical.create_node(
node_name := 'provider1',
dsn := 'host=10.241.0.10 port=5432 dbname=svp2');

select pglogical.replication_set_add_all_tables('default', ARRAY['public']);

SUBSCRIBER

select pglogical.create_node(
node_name := 'subscriber1',
dsn := 'host=10.241.0.12 port=5432 dbname=svp2');

select pglogical.create_subscription(
subscription_name := 'subscription1’,
provider_dsn := 'host=10.241.0.10 port=5432 dbname=svp2');

I get this error repeats until I drop the subscription.

t=2016-04-12 11:31:24 PDT d= h= p=30336 a=DEBUG: 00000: registering
background worker "pglogical apply 16384:1763399739"
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=LOCATION:
BackgroundWorkerStateChange, bgworker.c:347
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=DEBUG: 00000: starting background
worker process "pglogical apply 16384:1763399739"
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=LOCATION: do_start_bgworker,
postmaster.c:5479
t=2016-04-12 11:31:24 PDT d= h= p=7723 a=ERROR: XX000: subscriber
subscription1 initialization failed during nonrecoverable step (s), please
try the setup again
t=2016-04-12 11:31:24 PDT d= h= p=7723 a=LOCATION:
pglogical_sync_subscription, pglogical_sync.c:514
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=LOG: 00000: worker process:
pglogical apply 16384:1763399739 (PID 7723) exited with exit code 1
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=LOCATION: LogChildExit,
postmaster.c:3449
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=DEBUG: 00000: unregistering
background worker "pglogical apply 16384:1763399739"
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=LOCATION: ForgetBackgroundWorker,
bgworker.c:376
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=DEBUG: 00000: registering
background worker "pglogical apply 16384:1763399739"
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=LOCATION:
BackgroundWorkerStateChange, bgworker.c:347
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=DEBUG: 00000: starting background
worker process "pglogical apply 16384:1763399739"
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=LOCATION: do_start_bgworker,
postmaster.c:5479
t=2016-04-12 11:31:24 PDT d= h= p=7724 a=ERROR: XX000: subscriber
subscription1 initialization failed during nonrecoverable step (s), please
try the setup again
t=2016-04-12 11:31:24 PDT d= h= p=7724 a=LOCATION:
pglogical_sync_subscription, pglogical_sync.c:514
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=LOG: 00000: worker process:
pglogical apply 16384:1763399739 (PID 7724) exited with exit code 1
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=LOCATION: LogChildExit,
postmaster.c:3449
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=DEBUG: 00000: unregistering
background worker "pglogical apply 16384:1763399739"
t=2016-04-12 11:31:24 PDT d= h= p=30336 a=LOCATION: ForgetBackgroundWorker,
bgworker.c:376

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Adrian Klaver
adrian.klaver@aklaver.com

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On 4/13/2016 5:30 PM, Adrian Klaver wrote:

"pg_hba.conf has to allow replication connections from localhost, by a user with replication privilege."

Not sure if:

host replication postgres 10.241.0.10/32 trust
host replication postgres 10.241.0.12/32 trust

I would add lines with 127.0.0.1/32 and ::1/128 to that.

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john r pierce, recycling bits in santa cruz

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