Question: Two instances on different server with only one postgres database ?
gravatar for jpvillemin
3.0 years ago by
jpvillemin10 wrote:

Is this possible to set two instances of galaxy on server 1 and server 2, and to install only one database on server 1 for both of them.

I 'm actually trying to do that. The two instances launch well but when i try to upload file , I get some erros about failing the erase of some metada ....I'm not at work , i don't have the exact error right now.

If i only run one of the instance (even instance on server 1 and database on server 2) it will works fine.

An idea about that ? thanks.

configuration infrastructure • 1.4k views
ADD COMMENTlink modified 3.0 years ago by Jennifer Hillman Jackson25k • written 3.0 years ago by jpvillemin10

Each Galaxy instance must have an independent set of tables otherwise they will stomp all over each other and cause serious problems. Of course, one single postgresql server can support more than one database but every independent Galaxy instance requires a separate database (eg galProd and galTest).

ADD REPLYlink written 3.0 years ago by fubar1.1k

Is it possible to set a kind of mirroring ? Multiple instances on several instances (each with his own database) sharing same histories, dataset etc...

ADD REPLYlink written 3.0 years ago by jpvillemin10

Not that I am aware of. A single instance can be scaled up to cope with thousands of users (eg, but each instance must have exclusive control of a complete set of database tables. There was discussion of "federated" Galaxy instances but I'm not sure anyone has working code yet. Send code!

ADD REPLYlink written 2.9 years ago by fubar1.1k
gravatar for Jennifer Hillman Jackson
3.0 years ago by
United States
Jennifer Hillman Jackson25k wrote:


As far as I know, each Galaxy server requires a distinct database, but other resources can be in common (a common tool location, common data resources such as .loc files and indexes).

If there is a method used by another administrator that permits this, they may comment here or you can ask the question directly on the mailing list where the majority of developers communicate:

Thanks! Jen, Galaxy team

ADD COMMENTlink written 3.0 years ago by Jennifer Hillman Jackson25k

Didn't find an answer on. Maybe you know if it's possible to configure multiple instances sharing histories, dataset, users on several servers ?

ADD REPLYlink written 3.0 years ago by jpvillemin10
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