[GENERAL] BDR, wal segment has been removed, is it possible move forward?

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От milist ujang
Тема [GENERAL] BDR, wal segment has been removed, is it possible move forward?
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Msg-id CACG9ogyTF3wT2twNeFX-ToHvNOQkjkc_CNVgGn4fvKcjuCr3_A@mail.gmail.com
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Ответы Re: [GENERAL] BDR, wal segment has been removed, is it possible move forward?  (Craig Ringer <craig@2ndquadrant.com>)
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Hi all,

due to space issue and high volume transaction, some wal segments removed from pg_xlog on bdr environment.

warning log at node1 saying "requested WAL segment ..... has already been removed" following Connection reset by peer.

log at node2 :
Sending replication command: START_REPLICATION SLOT
...
...
XX000: data stream ended


I had played streams and goldengate (oracle product) , that at capture side we can move forward to certain sequence (archivedlog/redolog - wal segment in postgres).

So, is it possible to move forward to read recent wal segment in bdr environment? (assume data reconciliation will be done manually).


--
regards

ujang jaenudin | DBA Consultant (Freelancer)
http://ora62.wordpress.com
http://id.linkedin.com/pub/ujang-jaenudin/12/64/bab

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