def trace_memory_start(self):

        self.trace_memory_clean_caches()

        objgraph.show_growth(limit=30)

        gc.collect()
        self._memory_start = self.worker.get_memory()["total"]
Writes out the datastore and history files.
dataset/ETHPy150Open pricingassistant/mrq/mrq/job.py/Job.trace_memory_start--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/datastore_file_stub.py/DatastoreFileStub.Write