diff --git a/openerp/http.py b/openerp/http.py
index 71678bf3aa8..5053d795b88 100644
--- a/openerp/http.py
+++ b/openerp/http.py
@@ -44,6 +44,7 @@ except ImportError:
 
 import openerp
 from openerp import SUPERUSER_ID
+from openerp.service.server import memory_info
 from openerp.service import security, model as service_model
 from openerp.tools.func import lazy_property
 from openerp.tools import ustr
@@ -95,7 +96,7 @@ def dispatch_rpc(service_name, method, params):
             start_time = time.time()
             start_rss, start_vms = 0, 0
             if psutil:
-                start_rss, start_vms = psutil.Process(os.getpid()).get_memory_info()
+                start_rss, start_vms = memory_info(psutil.Process(os.getpid()))
             if rpc_request and rpc_response_flag:
                 openerp.netsvc.log(rpc_request, logging.DEBUG, '%s.%s' % (service_name, method), replace_request_password(params))
 
@@ -117,7 +118,7 @@ def dispatch_rpc(service_name, method, params):
             end_time = time.time()
             end_rss, end_vms = 0, 0
             if psutil:
-                end_rss, end_vms = psutil.Process(os.getpid()).get_memory_info()
+                end_rss, end_vms = memory_info(psutil.Process(os.getpid()))
             logline = '%s.%s time:%.3fs mem: %sk -> %sk (diff: %sk)' % (service_name, method, end_time - start_time, start_vms / 1024, end_vms / 1024, (end_vms - start_vms)/1024)
             if rpc_response_flag:
                 openerp.netsvc.log(rpc_response, logging.DEBUG, logline, result)
@@ -565,7 +566,7 @@ class JsonRequest(WebRequest):
                 start_time = time.time()
                 _, start_vms = 0, 0
                 if psutil:
-                    _, start_vms = psutil.Process(os.getpid()).get_memory_info()
+                    _, start_vms = memory_info(psutil.Process(os.getpid()))
                 if rpc_request and rpc_response_flag:
                     rpc_request.debug('%s: %s %s, %s',
                         endpoint, model, method, pprint.pformat(args))
@@ -576,7 +577,7 @@ class JsonRequest(WebRequest):
                 end_time = time.time()
                 _, end_vms = 0, 0
                 if psutil:
-                    _, end_vms = psutil.Process(os.getpid()).get_memory_info()
+                    _, end_vms = memory_info(psutil.Process(os.getpid()))
                 logline = '%s: %s %s: time:%.3fs mem: %sk -> %sk (diff: %sk)' % (
                     endpoint, model, method, end_time - start_time, start_vms / 1024, end_vms / 1024, (end_vms - start_vms)/1024)
                 if rpc_response_flag:
diff --git a/openerp/service/server.py b/openerp/service/server.py
index fdd95a73ebf..300a04ec5d8 100644
--- a/openerp/service/server.py
+++ b/openerp/service/server.py
@@ -44,6 +44,11 @@ _logger = logging.getLogger(__name__)
 
 SLEEP_INTERVAL = 60     # 1 min
 
+def memory_info(process):
+    """ psutil < 2.0 does not have memory_info, >= 3.0 does not have
+    get_memory_info """
+    return (getattr(process, 'memory_info', None) or process.get_memory_info)()
+
 #----------------------------------------------------------
 # Werkzeug WSGI servers patched
 #----------------------------------------------------------
@@ -695,7 +700,7 @@ class Worker(object):
             _logger.info("Worker (%d) max request (%s) reached.", self.pid, self.request_count)
             self.alive = False
         # Reset the worker if it consumes too much memory (e.g. caused by a memory leak).
-        rss, vms = psutil.Process(os.getpid()).get_memory_info()
+        rss, vms = memory_info(psutil.Process(os.getpid()))
         if vms > config['limit_memory_soft']:
             _logger.info('Worker (%d) virtual memory limit (%s) reached.', self.pid, vms)
             self.alive = False      # Commit suicide after the request.
@@ -818,7 +823,7 @@ class WorkerCron(Worker):
             self.setproctitle(db_name)
             if rpc_request_flag:
                 start_time = time.time()
-                start_rss, start_vms = psutil.Process(os.getpid()).get_memory_info()
+                start_rss, start_vms = memory_info(psutil.Process(os.getpid()))
 
             import openerp.addons.base as base
             base.ir.ir_cron.ir_cron._acquire_job(db_name)
@@ -829,7 +834,7 @@ class WorkerCron(Worker):
                 openerp.sql_db.close_db(db_name)
             if rpc_request_flag:
                 run_time = time.time() - start_time
-                end_rss, end_vms = psutil.Process(os.getpid()).get_memory_info()
+                end_rss, end_vms = memory_info(psutil.Process(os.getpid()))
                 vms_diff = (end_vms - start_vms) / 1024
                 logline = '%s time:%.3fs mem: %sk -> %sk (diff: %sk)' % \
                     (db_name, run_time, start_vms / 1024, end_vms / 1024, vms_diff)