Remove memory dump signal until meliae packaging issues are resolved.

cms/wsgi.py

@@ -6,9 +6,6 @@ defuse_xml_libs()
 import contracts
 contracts.disable_all()
 
-import openedx.core.operations
-openedx.core.operations.install_memory_dumper()
-
 import os
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "cms.envs.aws")
 

lms/wsgi.py

@@ -16,9 +16,6 @@ defuse_xml_libs()
 import contracts
 contracts.disable_all()
 
-import openedx.core.operations
-openedx.core.operations.install_memory_dumper()
-
 import os
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "lms.envs.aws")
 

openedx/core/operations.py

-"""
-Workflows useful for reporting on runtime characteristics of the system
-"""
-import gc
-import os
-import signal
-import tempfile
-from datetime import datetime
-
-from meliae import scanner
-
-
-def dump_memory(signum, frame):
-    """
-    Dump memory stats for the current process to a temp directory.
-    Uses the meliae output format.
-    """
-
-    timestamp = datetime.now().isoformat()
-    format_str = '{}/meliae.{}.{}.{{}}.dump'.format(
-        tempfile.gettempdir(),
-        timestamp,
-        os.getpid(),
-    )
-
-    scanner.dump_all_objects(format_str.format('pre-gc'))
-
-    # force garbarge collection
-    for gen in xrange(3):
-        gc.collect(gen)
-        scanner.dump_all_objects(
-            format_str.format("gc-gen-{}".format(gen))
-        )
-
-
-def install_memory_dumper(dump_signal=signal.SIGPROF):
-    """
-    Install a signal handler on `signal` to dump memory stats for the current process.
-    """
-    signal.signal(dump_signal, dump_memory)

requirements/edx/base.txt

@@ -68,9 +68,6 @@ httpretty==0.8.3
 lazy==1.1
 mako==1.0.2
 Markdown>=2.6,<2.7
---allow-external meliae
---allow-unverified meliae
-meliae==0.4.0
 mongoengine==0.10.0
 MySQL-python==1.2.5
 networkx==1.7

requirements/edx/pre.txt

@@ -12,6 +12,3 @@ pip==9.0.1
 # Numpy and scipy can't be installed in the same pip run.
 # Install numpy before other things to help resolve the problem.
 numpy==1.6.2
-
-# Needed for meliae
-Cython==0.21.2