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Re: logical replication snapshots

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On 07/25/2018 11:10 AM, Dimitri Maziuk wrote:
On 07/25/2018 11:16 AM, Adrian Klaver wrote:

Where you using pg_export_snapshot() by any chance?:

If it's not in chapter 31 of TFM then I have not touched it. The only
notable thing I changed from 31.9 quickstart is that replica identity is
full on all tables (the data's a mess).

Where there any relevant error messages in the log before the database
hung?

Do you seriously expect me to know what "relevant" is? ;) -- It's 7
days' worth of

2018-07-23 09:43:12.851 CDT [7975] STATEMENT:  COPY macromolecules."Entity_common_name" TO STDOUT
2018-07-23 09:43:12.925 CDT [7982] LOG:  logical decoding found consistent point at 19/E6942408
2018-07-23 09:43:12.925 CDT [7982] DETAIL:  There are no running transactions.
2018-07-23 09:43:12.935 CDT [7982] ERROR:  permission denied for schema macromolecules
2018-07-23 09:43:12.935 CDT [7982] STATEMENT:  COPY macromolecules."Assembly" TO STDOUT
2018-07-23 09:43:13.034 CDT [7987] LOG:  logical decoding found consistent point at 19/E6942440
2018-07-23 09:43:13.034 CDT [7987] DETAIL:  There are no running transactions.
2018-07-23 09:43:13.044 CDT [7987] ERROR:  permission denied for schema macromolecules
2018-07-23 09:43:13.044 CDT [7987] STATEMENT:  COPY macromolecules."Spectral_transition" TO STDOUT
2018-07-23 09:43:13.135 CDT [7990] LOG:  logical decoding found consistent point at 19/E6942478
2018-07-23 09:43:13.135 CDT [7990] DETAIL:  There are no running transactions.
2018-07-23 09:43:13.145 CDT [7990] ERROR:  permission denied for schema macromolecules
2018-07-23 09:43:13.145 CDT [7990] STATEMENT:  COPY macromolecules."Assembly_db_link" TO STDOUT

A little slow, but I realized that the above looks like the initial sync for a table. Do these errors stretch back all the way back to your original sync?




that ends with

2018-07-23 09:45:40.280 CDT [6032] LOG:  database system was interrupted; last known up at 2018-07-06 17:04:28 CDT
2018-07-23 09:45:40.281 CDT [6033] FATAL:  the database system is starting up
2018-07-23 09:45:40.282 CDT [6034] FATAL:  the database system is starting up
... ad infinitum ...

Would "permission denied" be relevant?

(Not sure where that is coming from: I did initial sync as postgres then
altered it to replication user. Can't track it down now since the
database is dead.)



--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx




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