Arvados

import arvados

import time

import json

api = arvados.api('v1')

t = time.time()

pr = {}

for i in xrange(1, 200000):

    pr[str(i)] = {"foo": "bar", "baz": "quux"}

#pr = "\n".join('"%s": {"foo": "bar", "baz": "quux"}' % i for i in xrange(1, 200000))

print time.time()-t

print "payload about", len(json.dumps(pr))

t = time.time()

c = api.humans().create(body={"human": {"properties": {"p": pr}}}).execute()

print time.time()-t

print c["uuid"]

t = time.time()

api.humans().get(uuid=c["uuid"]).execute()

print time.time()-t