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Re: BDR: ALTER statement hanging

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> Selim Tuvi <stuvi@xxxxxxx> hat am 4. Dezember 2015 um 18:46 geschrieben:
> 
> 
> Yes they seem to be active:
> 
> deliver=# select * from pg_replication_slots;
>                 slot_name                 | plugin | slot_type | datoid |
> database | active | xmin | catalog_xmin | restart_lsn 
> ------------------------------------------+--------+-----------+--------+----------+--------+------+--------------+-------------
>  bdr_533136_6223770712502831127_1_16389__ | bdr    | logical   | 533136 |
> deliver  | t      |      |       182302 | 0/9C8A5598  
>  bdr_533136_6223800735012265413_1_16389__ | bdr    | logical   | 533136 |
> deliver  | t      |      |       182302 | 0/9C8A5598  
> (2 rows) 
> 
> Although when I look at bdr.bdr_nodes I see the status as still initializing
> for the other two nodes, I don't know if that could cause this problem:
> 
> deliver=# select * from bdr.bdr_nodes;
>      node_sysid      | node_timeline | node_dboid | node_status |
>              node_name              |
>                                             node_local_dsn
>                                          |
>                                          node_init_from_dsn
> ---------------------+---------------+------------+-------------+-------------------------------------+---------------------------------------------------------------
> -----------------------------------------+------------------------------------------------------------------------------------------------------
>  6212648563684174798 |             1 |     533136 | r           |
> pe-deliverdb-sf-01v | host=pe-deliverdb-sf-01v port=5432 dbname=deliver
> user=deliver_admin password=xxxxx   |
>  6223770712502831127 |             1 |      16389 | i           |
> pe-deliverdb-sing-01v | host=pe-deliverdb-sing-01v port=5432 dbname=deliver
> user=deliver_admin password=xxxxx | host=pe-deliverdb-sf-01v port=5432
> dbname=deliver user=deliver_admin password=xxxxx
>  6223800735012265413 |             1 |      16389 | i           |
> pe-deliverdb-lon-01v | host=pe-deliverdb-lon-01v port=5432 dbname=deliver
> user=deliver_admin password=xxxxx  | host=pe-deliverdb-sf-01v port=5432
> dbname=deliver user=deliver_admin password=xxxxx
> 
> -Selim
> 


I think, the state 'i' is the main reason for your problem, because of: "i-
Joining: The node is doing initial slot creation or an initial dump and load".

But i can't tell you why this nodes are in this state.


Regards, Andreas


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