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E-MapReduce

E-MapReduce

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FAQs
EMR on ECS FAQs
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EMR on ECS FAQs

How to create and view tickets

Volcano Engine E-MapReduce (EMR) is a semi-managed cloud service. For the scope of ticket after-sales service and product after-sales service SLA, refer to the Volcano Engine after-sales service documentation.

Create a ticket

In the EMR Console . In the top menu bar, select Support > Create ticket, go to the ticket creation page, select E-MapReduce as the relevant product and service, enter the issue type, and create the ticket.
After the ticket is generated, according to the product after-sales service SLA, dedicated after-sales technical personnel will handle related product issues within the SLA response time.

View tickets

Go to Ticket Center > Ticket List on the left, and you can view the ticket status and progress by ticket number.

Cluster creation FAQs

Account balance issues

Exception information:
error code:Insufficient. Balance
error message: The request is denied due to the lack of balance.
Cause: Insufficient account balance (when the account balance is negative, coupons cannot be used)
Solution: Console navigation bar > Billing > Account Overview > Available Balance, check the remaining available balance. After recharge is completed, try to create the cluster again.

Insufficient.InstanceCapacity

Exception information:
error code: Insufficient.InstanceCapacity
error Message: There is not enough capacity to fulfill your request.
Cause: Insufficient inventory for the corresponding instance type
Solution: Submit a ticket to contact EMR technical support personnel for capacity expansion.

QuotaExceeded.MaximumInstanceCpus

Exception information:
error code: QuotaExceeded.MaximumInstanceCpus
error message: You've reached the limit on the number of instance CPU that you can create, please submit ticket to request an increase in quota.--
Cause: Insufficient CPU quota
Solution: Top right Personal Center > Quota Center > Instance Quota > Cloud Server ECS, check whether the resources you create have sufficient quota based on payment type, region, and zone information. In the Operation column, click the Apply button to apply for quota.

QuotaExceeded.MaximumVolumes

Error information:
error code: QuotaExceeded.MaximumVolumes
error message: You've reached the limit on the capacity of Volumes that you can create, please submit ticket to request an increase in quota.
Cause: Insufficient cloud disk quota
Solution: Top right Personal Center > Quota Center > General Quota > Block Storage Service, check whether the resources you create have sufficient quota. If not, in the Operation column, click the Apply button to apply for quota.

Security group and network configuration issues

Phenomenon

Component FAQs

Last updated: 2026.06.01 17:20:47