On 2018-07-25 12:31:01 -0700, Adrian Klaver wrote: > 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). > > So no. > > > > > > 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 > > Generally speaking relevancy increases the closer you get to the fall over > event. So we are most interested in entries close to the point where the > database stopped/failed. > > > > > > 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 > > > > 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? > > Logical decoding is something I am still learning. The "permission denied" > would to me be relevant only to the extent that it seems to be provoking: Yes, it looks related. Looks like logical rep was trying to perform the intiial sync of those tables, and couldn't due to permission errors. > "LOG: logical decoding found consistent point at 19/E6942440" > DETAIL: There are no running transactions." > > Others with more experience in this area would need to fill whether that > might account for the 13 million files in the ~snapshot/ directory. That indicates there's some error handling issues to be resolved. Petr? Greetings, Andres Freund