Full Migration Error: GC overhead limit exceeded

Scenarios

During real-time migration from MongoDB to DDS, 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

1. Check whether the task is normal.
   • If the task is normal, this error is recorded in the log and no further action is required.
   • If the task is abnormal, go to 2.

2. Submit a service ticket in the upper right corner of the management console.