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Question and Answer

Connor McDonald

Thanks for the question, Suri.

Asked: January 10, 2020 - 1:17 am UTC

Last updated: January 10, 2020 - 4:21 am UTC

Version: 12.2.0.1

Viewed 1000+ times

You Asked

I am in the process of creating Standards and best practices for creating RAC Services.
Wondering what is the maximum length/characters I can use in a RAC service name ?

The documentation https://docs.oracle.com/database/121/RACAD/GUID-6BC01F04-C46F-47BD-9AAC-CFA88F3D5911.htm#RACAD5013
says "The -service parameter has a 4 kilobyte (KB) limit for its value. Therefore, the total length of the names of all services assigned to an instance cannot exceed 4 KB."

How do I calculate the value of all the total services created for a particular instance in Kilo Bytes ?

Regards,
Suri Babu

and Connor said...

You can get the list of services via srvctl, eg

$ srvctl status service -db apps

Service erp is running on nodes: apps02,apps03
Service hr is running on nodes: apps02,apps03
Service sales is running on nodes: apps01,apps04


I know on our cloud our service names are quite long, eg, "wkrfs4xeq12a1jcu_qwed1ddbatp_tp.atp.oraclecloud.com", so unless you go ridiculously large, I contend you should be fine.

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