Greetings, These questions are not appropriate for the 'performance' mailing list but should be either on 'admin' or 'general'. Please use the appropriate list for asking questions in the future. * Rambabu V (ram.wissen@xxxxxxxxx) wrote: > Please help us to get the query log details from meta data table/command in > postgresql. aw we are not maintaining log files more than 2 days due to > lack of space. It's entirely unclear what you are asking for here when you say "meta data." Information about tables is stored in the system catalog, particularly the "pg_class" and "pg_attribute" tables, but that's independent from the WAL. To read the WAL files, you can use pg_waldump (or pg_xlogdump on older versions), though that's not 'meta' data. > And also please provide document or sop for database upgrade from 9.3 to > 9.6, as our database size was 4.5 tb and having table spaces as well. as it > was production database system we do-not want to take any risk, please help > us on this as well. You'll likely want to use pg_upgrade to perform such an upgrade: https://www.postgresql.org/docs/10/static/pgupgrade.html Thanks! Stephen
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