On 7th of September, Jeff Davis committed patch: Add log_line_prefix option 'n' for Unix epoch. Prints time as Unix epoch with milliseconds. Tomas Vondra, reviewed by Fabien Coelho.

After loooong pause, adding next (well, second) post to the "series". This time, I'd like to describe how logging works. And I don't mean binary logging (WAL), but the log for us, humans, to read. Before I will go to the ...

On 28th of November Tom Lane committed patch by Dave Page, which adds new capability to system monitoring and logging: Log Message: ----------- Add support for an application_name parameter, which is displayed in pg_stat_activity and recorded in log entries.   Dave Page, reviewed by Andres Freund