def _create(self):
        if not os.path.exists(settings.SALMON_WHISPER_DB_PATH):
            os.makedirs(settings.SALMON_WHISPER_DB_PATH)
        archives = [whisper.parseRetentionDef(retentionDef)
                    for retentionDef in settings.ARCHIVES.split(",")]
        whisper.create(self.path, archives,
                       xFilesFactor=settings.XFILEFACTOR,
                       aggregationMethod=settings.AGGREGATION_METHOD)
Destroy a VM instance. Steps followed are:
dataset/ETHPy150Open lincolnloop/salmon/salmon/core/graph.py/WhisperDatabase._create--crossover with--dataset/ETHPy150Open nii-cloud/dodai-compute/nova/virt/vmwareapi/vmops.py/VMWareVMOps.destroy