tmpStaticOffsets = new ArrayList<Long>();
String p = conf.get(DISK_VERTICES_PATH_KEY, "/tmp/graph/");
rootPath = p + attempt.getJobID().toString() + "/" + attempt.toString()
+ "/";
LocalFileSystem local = FileSystem.getLocal(conf);
local.mkdirs(new Path(rootPath));
staticFile = rootPath + "static.graph";
local.delete(new Path(staticFile), false);
staticGraphPartsDos = local.create(new Path(staticFile));
String softGraphFileName = getSoftGraphFileName(rootPath, currentStep);
local.delete(new Path(softGraphFileName), false);