Limits on Concurrent Operations

Find out how many concurrent operations of a specific type Compute Cloud@Customer can manage at any particular time. These limits assume that no other operations of any kind are running at the same time. When a limit is exceeded, an error with code 409 or 429 is displayed.

Resource Type

Operation

Concurrency Limit

compute instance

back up or restore an instance

10

compute instance

launch/delete instance

15

compute instance

reset/stop/start instance

15

compute instance

update fault domain (live migration)

10

compute image

create image from instance

10

compute image

import image

10

block volume

create/delete volume

10

block volume

attach/detach boot volume

15

block volume

attach/detach data volume

15

block volume

resize volume

15

file system

create/delete file system

10

mount target

create/delete mount target

10

VCN

create/delete VCN

10

VCN gateway

create/delete gateway (all types)

10

subnet

create/delete subnet

10

route table

create/delete route table

10

security list

create/delete security list

10

network security group

create/delete network security group

10

VNIC

attach/detach VNIC

15

public IP

create/delete public IP

10

private IP

create/delete private IP

10

all networking resources

update network resource

10

OKE service

create/update/delete cluster

10

OKE service

create/update/delete node pool

5

OKE service

create/update/delete node

15

Note

In addition, a system limit on the number of concurrent user sessions:

  • Compute Cloud@Customer Console: 10 users

An authentication error is displayed when the limit is reached. An inactive user session times out after 1 hour.