Here is a page from our docs on how to perform Backup & Restore: https://docs.timescale.com/latest/using-timescaledb/backup
Not sure what's going on in that one Github issue, but we are looking into it.
"Data is successfully dumped. also i can see the constraints, indexes are also copied successfully."
https://github.com/timescale/timescaledb/issues/1835
Here is a page from our docs on how to perform Backup & Restore: https://docs.timescale.com/latest/using-timescaledb/backup
Not sure what's going on in that one Github issue, but we are looking into it.