def fcp_start():
global circle, fcp, treewalk
workq = None # if fresh start, workq is None
if not args.rid: # if not in recovery
treewalk = FWalk(circle, G.src, G.dest, force=args.force)
circle.begin(treewalk)
circle.finalize()
treewalk.epilogue()
else: # okay, let's do checkpoint recovery
workq = prep_recovery()
circle = Circle(dbname="fcp")
fcp = FCP(circle, G.src, G.dest,
treewalk=treewalk,
totalsize=T.total_filesize,
verify=args.verify,
workq=workq,
hostcnt=num_of_hosts)
if comm.rank == 0 and G.verbosity > 0:
rcl, wcl = fcp.rw_cache_limit()
print("")
print("\t{:<25}{:<10}{:5}{:<25}{:<10}".format("Read Cache:", "%s" % rcl, "|",
"Write Cache:", "%s" % wcl))
print("")
set_chunksize(fcp, T.total_filesize)
fcp.checkpoint_interval = args.cptime
fcp.checkpoint_file = ".pcp_workq.%s.%s" % (args.cpid, circle.rank)
circle.begin(fcp)
circle.finalize()
fcp.epilogue()
