Help Center> Data Replication Service> Troubleshooting> Failure Cases> Real-Time Migration from MongoDB to DDS> Full Migration Error: GC overhead limit exceeded

Updated on 2022-09-21 GMT+08:00

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Full Migration Error: GC overhead limit exceeded

Scenarios

During real-time MongoDB to DDS migration, an error is reported during full migration. The log information is as follows: service DATAMOVE failed, cause by: GC overhead limit exceeded.

Possible Causes

The size of a single data record in the source database is too large.
The replication instance specifications are too small.

Solution

Contact Huawei engineers to rectify the fault.

Parent topic: Real-Time Migration from MongoDB to DDS

Previous topic: Full Migration Error: not authorized on riskevaluation to execute command {***}

Next topic: Full Migration Error: The background process is unavailable. Maybe it has been killed manually or by the operating system. Please restart the task if possible or wait for restarting by itself within 5 minutes."

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