Downgrading PostgreSQL 10 to 9.4Postgresql 9.4 high availabilityHow to upgrade PostgreSQL from version 8.4 to...
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Downgrading PostgreSQL 10 to 9.4
Postgresql 9.4 high availabilityHow to upgrade PostgreSQL from version 8.4 to 9.4?WAL Streaming Failure PostgreSQL 9.4RHEL Postgresql 9.4 and PostGISUpgrade PostgreSQL 9.4 to 9.5 : LC_ALL unsetPostgresql 9.4 replication not workingTesting postgresql 9.4 streaming replicationTrying to upgrade PostgreSQL 9.1 to 9.4 on DebianPostgreSQL 9.4 deep merge jsonb valuesPostgreSQL extremely slow after upgrade from 9.3 to 9.4
Are there any particular precautions I should take when downgrading PG 10 to 9.4?
I have a database on Heroku (PG 9.4) which I'm going to upgrade to PG 10.6. In case something goes wrong, I want to be able to go back to 9.4.
Things I already tested:
- create a backup of the already upgraded PG 10.6 DB (Heroku creates binary compressed dumps)
- create a new PG 9.4 DB
- upload the backup from step 1. to DB from step 2
The backup seems to be restored properly. What should focus on in particular to be sure this procedure is all right? Are there any other ways to downgrad PostgreSQL?
postgresql postgresql-9.4 upgrade postgresql-10 downgrade
asked Dec 14 '18 at 11:46
pmichnapmichna
1305
bumped to the homepage by Community♦ 14 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
Are there any particular precautions I should take when downgrading PG 10 to 9.4?
I have a database on Heroku (PG 9.4) which I'm going to upgrade to PG 10.6. In case something goes wrong, I want to be able to go back to 9.4.
Things I already tested:
- create a backup of the already upgraded PG 10.6 DB (Heroku creates binary compressed dumps)
- create a new PG 9.4 DB
- upload the backup from step 1. to DB from step 2
The backup seems to be restored properly. What should focus on in particular to be sure this procedure is all right? Are there any other ways to downgrad PostgreSQL?
postgresql postgresql-9.4 upgrade postgresql-10 downgrade
asked Dec 14 '18 at 11:46
pmichnapmichna
1305
bumped to the homepage by Community♦ 14 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Can’t you create a new db and import the data and keep the old one around to make your first tests before you do the switchover? (I always think this is a great advantage of cloud services to have that kind of short term capacity)
– eckes
Dec 19 '18 at 0:43
add a comment |
Are there any particular precautions I should take when downgrading PG 10 to 9.4?
I have a database on Heroku (PG 9.4) which I'm going to upgrade to PG 10.6. In case something goes wrong, I want to be able to go back to 9.4.
Things I already tested:
- create a backup of the already upgraded PG 10.6 DB (Heroku creates binary compressed dumps)
- create a new PG 9.4 DB
- upload the backup from step 1. to DB from step 2
The backup seems to be restored properly. What should focus on in particular to be sure this procedure is all right? Are there any other ways to downgrad PostgreSQL?
postgresql postgresql-9.4 upgrade postgresql-10 downgrade
asked Dec 14 '18 at 11:46
pmichnapmichna
1305
Are there any particular precautions I should take when downgrading PG 10 to 9.4?
I have a database on Heroku (PG 9.4) which I'm going to upgrade to PG 10.6. In case something goes wrong, I want to be able to go back to 9.4.
Things I already tested:
- create a backup of the already upgraded PG 10.6 DB (Heroku creates binary compressed dumps)
- create a new PG 9.4 DB
- upload the backup from step 1. to DB from step 2
The backup seems to be restored properly. What should focus on in particular to be sure this procedure is all right? Are there any other ways to downgrad PostgreSQL?
postgresql postgresql-9.4 upgrade postgresql-10 downgrade
postgresql postgresql-9.4 upgrade postgresql-10 downgrade
asked Dec 14 '18 at 11:46
pmichnapmichna
1305
asked Dec 14 '18 at 11:46
pmichnapmichna
1305
asked Dec 14 '18 at 11:46
pmichnapmichna
1305
asked Dec 14 '18 at 11:46
pmichnapmichna
1305
asked Dec 14 '18 at 11:46
pmichnapmichna
1305
1305
bumped to the homepage by Community♦ 14 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 14 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Can’t you create a new db and import the data and keep the old one around to make your first tests before you do the switchover? (I always think this is a great advantage of cloud services to have that kind of short term capacity)
– eckes
Dec 19 '18 at 0:43
add a comment |
Can’t you create a new db and import the data and keep the old one around to make your first tests before you do the switchover? (I always think this is a great advantage of cloud services to have that kind of short term capacity)
– eckes
Dec 19 '18 at 0:43
Can’t you create a new db and import the data and keep the old one around to make your first tests before you do the switchover? (I always think this is a great advantage of cloud services to have that kind of short term capacity)
– eckes
Dec 19 '18 at 0:43
Can’t you create a new db and import the data and keep the old one around to make your first tests before you do the switchover? (I always think this is a great advantage of cloud services to have that kind of short term capacity)
– eckes
Dec 19 '18 at 0:43
add a comment |
1 Answer
1
active
oldest
votes
First, keep in mind Heroku may be based on Postgres, it's not Postgres. It's a closed source database and you have no idea what they changed.
The only way to do so would be to export all your data in SQL and to import it back to Postgres (using psql). If you only have access to binary compressed dump from Heroku, you may suppose they're using custom format from pg_dump (I haven't find any documentation about it) and so you'll need pg_restore to either transform it to SQL or to import it to your Postgres database.
Cheers,
Arkhena
PS : I'm curious, why downgrading it to 9.4 instead of importing it to a postgres 10 or 11 database ?
answered Dec 18 '18 at 9:46
ArkhenaArkhena
85918
add a comment |
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First, keep in mind Heroku may be based on Postgres, it's not Postgres. It's a closed source database and you have no idea what they changed.
The only way to do so would be to export all your data in SQL and to import it back to Postgres (using psql). If you only have access to binary compressed dump from Heroku, you may suppose they're using custom format from pg_dump (I haven't find any documentation about it) and so you'll need pg_restore to either transform it to SQL or to import it to your Postgres database.
Cheers,
Arkhena
PS : I'm curious, why downgrading it to 9.4 instead of importing it to a postgres 10 or 11 database ?
answered Dec 18 '18 at 9:46
ArkhenaArkhena
85918
add a comment |
First, keep in mind Heroku may be based on Postgres, it's not Postgres. It's a closed source database and you have no idea what they changed.
The only way to do so would be to export all your data in SQL and to import it back to Postgres (using psql). If you only have access to binary compressed dump from Heroku, you may suppose they're using custom format from pg_dump (I haven't find any documentation about it) and so you'll need pg_restore to either transform it to SQL or to import it to your Postgres database.
Cheers,
Arkhena
PS : I'm curious, why downgrading it to 9.4 instead of importing it to a postgres 10 or 11 database ?
answered Dec 18 '18 at 9:46
ArkhenaArkhena
85918
add a comment |
First, keep in mind Heroku may be based on Postgres, it's not Postgres. It's a closed source database and you have no idea what they changed.
The only way to do so would be to export all your data in SQL and to import it back to Postgres (using psql). If you only have access to binary compressed dump from Heroku, you may suppose they're using custom format from pg_dump (I haven't find any documentation about it) and so you'll need pg_restore to either transform it to SQL or to import it to your Postgres database.
Cheers,
Arkhena
PS : I'm curious, why downgrading it to 9.4 instead of importing it to a postgres 10 or 11 database ?
answered Dec 18 '18 at 9:46
ArkhenaArkhena
85918
First, keep in mind Heroku may be based on Postgres, it's not Postgres. It's a closed source database and you have no idea what they changed.
The only way to do so would be to export all your data in SQL and to import it back to Postgres (using psql). If you only have access to binary compressed dump from Heroku, you may suppose they're using custom format from pg_dump (I haven't find any documentation about it) and so you'll need pg_restore to either transform it to SQL or to import it to your Postgres database.
Cheers,
Arkhena
PS : I'm curious, why downgrading it to 9.4 instead of importing it to a postgres 10 or 11 database ?
answered Dec 18 '18 at 9:46
ArkhenaArkhena
85918
answered Dec 18 '18 at 9:46
ArkhenaArkhena
85918
answered Dec 18 '18 at 9:46
ArkhenaArkhena
85918
answered Dec 18 '18 at 9:46
ArkhenaArkhena
85918
85918
add a comment |
add a comment |
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Can’t you create a new db and import the data and keep the old one around to make your first tests before you do the switchover? (I always think this is a great advantage of cloud services to have that kind of short term capacity)
– eckes
Dec 19 '18 at 0:43