When ingesting data from JDBC sources during configuration of Import Jobs from databases, the error
OutOfMemory: PermGen space may be observed.
Datameer appears to leak the driver classes into the permgen space, eventually overrunning the permgen and causing the server to become unresponsive and requiring a reboot.
This is known internally as DAP-25721.
To work-around this issue, deplay custom JDBC drivers through the following directory, instead of uploading the JDBC driver via UI:
If required, please contact Datameer Technical Support for further information.