Help Center/ Data Replication Service/ Troubleshooting/ Troubleshooting/ Failure Cases/ Real-Time Synchronization from PostgreSQL to PostgreSQL/ Full Synchronization Error: Java heap space
Updated on 2025-07-21 GMT+08:00
Full Synchronization Error: Java heap space
Scenarios
During full synchronization, an error is reported, and the log information is as follows: service DATAMOVE failed, cause by: Java heap space.
Possible Causes
A large number of fields exist in the service. As a result, the memory usage of the synchronization task exceeds the threshold.
Solution
- 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.
- In the upper right corner of the console, choose and contact customer service.
Parent topic: Real-Time Synchronization from PostgreSQL to PostgreSQL
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