Unzip compressed dump and import via psql

Use compressed pg_dump:

1. Using -Z
   pg_dump dbname -Fp -Z6 -v > filename.gz
2. Using gzip
   pg_dump dbname | gzip > filename.gz
   Reload data:
3. gunzip
   gunzip -c filename.gz | psql -Upostgres -ddbname
4. cat
   cat filename.gz |gunzip|psql -Upostgres -ddbname
   Examples:
   1.pg_dump -d test -t t_auth* -Fp -Z6 -v > /home/data/auth.gz
   2.gunzip -c /home/data/auth.gz |psql -Upostgres -d auth
   3.cat /home/data/auth.gz |gunzip |psql -Upostgres -d auth

refer:
[1] postgresql-13-A4.pdf 25.1.3. Handling Large Databases