Outof memory error

Hi team,
We were running the pgadmin docker instance for over couple of weeks and
when we try to import data , the following error popsup and in the logs.
Please let us know what is the issue and any workarounds etc.,?
Import/export job failed.
[Errno 12] Out of memory.

2018-08-30 14:58:05,637: ERROR pgadmin: [Errno 12] Out of memory

Traceback (most recent call last):

File "/pgadmin4/pgadmin/tools/import_export/__init__.py", line 316, in
create_

p.start()

File "/pgadmin4/pgadmin/misc/bgprocess/processes.py", line 377, in start

preexec_fn=preexec_function, env=env

File "/usr/local/lib/python3.6/subprocess.py", line 709, in __init__

restore_signals, start_new_session)

File "/usr/local/lib/python3.6/subprocess.py", line 1275, in
_execute_child

restore_signals, start_new_session, preexec_fn)

OSError: [Errno 12] Out of memory