def post(self):
name = self.request.get("name")
compressed = not not self.request.get("compressed")
key = self.request.get("key", None)
value = self.request.get("value", None)
if name:
writer = RecordIOWriter(name)
if key == None and value == None:
writer.create(compressed)
elif value == None:
writer.remove(key)
writer.commit_sync()
else:
writer.insert(str(key), eval(value))
writer.commit_sync()
start = None
if key:
start = str(key)
self.redirect("?name=" + str(urllib.quote(name)) + "&start=" +
urllib.quote(start))
delete = self.request.get("delete")
if delete:
writer = RecordIOWriter(delete)
writer.delete()
self.redirect("/recordio/")
def post(self):
values = {}
if self.request.get("run_uncompressed"):
values["run_uncompressed"] = "checked"
if self.request.get("run_compressed"):
values["run_compressed"] = "checked"
if self.request.get("delete"):
RecordIOWriter("loadtest_single_compressed").delete()
RecordIOWriter("loadtest_single_uncompressed").delete()
RecordIOWriter("loadtest_combined_compressed").delete()
RecordIOWriter("loadtest_combined_uncompressed").delete()
self.handle(values)
return
amount = int(self.request.get("entries"))
entry_size_min = int(self.request.get("entry_size_min"))
entry_size_max = int(self.request.get("entry_size_max"))
entry_size_key = int(self.request.get("entry_size_key"))
compressable = self.request.get("compressable")
entries = []
gen = StringGenerator(compressable)
for i in xrange(amount):
entries.append(
(str(random.randint(0, entry_size_key)),
gen.next(random.randint(entry_size_min, entry_size_max))))
values["ran"] = True
single = "single"
if (self.request.get("run_uncompressed")
and self.request.get("run_compressed")):
single = "combined"
if self.request.get("run_uncompressed"):
logging.info("Starting uncompressed write loadtest")
values["write_uncompressed"] = self.do_write(
single, False, entries)
if self.request.get("run_compressed"):
logging.info("Starting compressed write loadtest")
values["write_compressed"] = self.do_write(single, True, entries)
try:
if self.request.get("run_uncompressed"):
logging.info("Starting uncompressed read loadtest")
values["read_uncompressed"] = self.do_read(
single, False, entries)
if self.request.get("run_compressed"):
logging.info("Starting compressed read loadtest")
values["read_compressed"] = self.do_read(single, True, entries)
except NotEveryThingWrittenError:
logging.info("Maybe not ready to read!")
time.sleep(5)
if self.request.get("run_uncompressed"):
logging.info("Starting uncompressed read loadtest")
values["read_uncompressed"] = self.do_read(
single, False, entries)
if self.request.get("run_compressed"):
logging.info("Starting compressed read loadtest")
values["read_compressed"] = self.do_read(single, True, entries)
logging.info("Loadtests done")
self.handle(values)
def writeOneShard(self, compressed):
updater = RecordIOWriter("test")
updater.create(compressed=compressed)
updater.insert("1", "foo")
updater.insert("2", "bar")
updater.commit_sync()
updater = RecordIOWriter("test")
updater.insert("3", "win")
updater.remove("2")
updater.commit_sync()
recordio = RecordIOShard.all().get()
self.assertEqual(recordio.compressed, compressed)
self.assertEqual([x for x in recordio], [("1", STRING + "foo"), ("3", STRING + "win")])
def testTaskQueue(self):
writer = RecordIOWriter("test")
writer.create(compressed=False)
test_value = test_helper.uncompressableString(MAX_ENTRY_SIZE-1)
entries_to_write = MAX_BLOB_SIZE / MAX_ENTRY_SIZE + 1
for i in range(entries_to_write):
writer.insert(str(i), test_value)
writer.commit_async()
taskq = self.testbed.get_stub(testbed.TASKQUEUE_SERVICE_NAME)
tasks = taskq.GetTasks("recordio-writer")
for task in tasks:
url=task["url"]
args = urlparse.parse_qs(base64.b64decode(task["body"]))
for x in args:
args[x] = args[x][0]
test_helper.requestGet(WriteHandler(), url, args)
assert(len([x for x in RecordIOShard.all()]) > 1)
reader = RecordIOReader("test")
result = {}
for key, value in reader:
result[key] = value
self.assertEqual(len(result), entries_to_write)
for i in range(entries_to_write):
self.assertEqual(result[str(i)], test_value, "Not equal")
def write2MBAndReplace(self, compressed):
test_string = test_helper.uncompressableString(2**21)
updater = RecordIOWriter("test")
updater.create(compressed=compressed)
updater.insert("test", test_string)
updater.commit_sync()
output = []
entries = 0
shards_count = 0
for recordio in RecordIOShard.all():
self.assertTrue(len(recordio.data) >= 1000)
shards_count += 1
for entry in recordio:
output += [entry[-1]]
entries += 1
self.assertTrue(shards_count > 1)
self.assertTrue(entries > 3)
self.assertEqual("".join(output), STRING + test_string, "read != write")
updater.insert("test", "short")
updater.commit_sync(retries=0)
replaced_shards_count = 0
for recordio in RecordIOShard.all():
if replaced_shards_count == 0:
self.assertEqual(1, len(recordio))
for entry in recordio:
self.assertEqual(STRING + "short", entry[-1])
else:
self.assertEqual(0, len(recordio))
for entry in recordio:
self.fail("shouldnt be iterable")
replaced_shards_count += 1
self.assertTrue(len(recordio.data) < 1000)
self.assertTrue(replaced_shards_count > 0)
self.assertTrue(replaced_shards_count <= shards_count)
def do_write(self, single, compressed, entries):
start = time.time()
writer = RecordIOWriter("loadtest_" + single + "_" + {
True: "compressed",
False: "uncompressed"
}[compressed])
writer.create(compressed=compressed)
for entry in entries:
writer.insert(entry[0], entry[1])
writer.commit_sync(retries=10)
return time.time() - start, writer.db_stats()
def testCommitToQueueAndScheduleWrite(self):
updater = RecordIOWriter("test")
updater.create()
updater.insert("a", "")
updater.commit_async()
taskq = self.testbed.get_stub(testbed.TASKQUEUE_SERVICE_NAME)
tasks = taskq.GetTasks("recordio-writer")
self.assertEqual(len(tasks), 1)
self.assertEqual(tasks[0]["url"], "/recordio/write")
self.assertEqual(base64.b64decode(tasks[0]["body"]),
"taskqueue=" + urllib.quote(
RecordIOShard.key_name("test")))
def testCommitToQueueSplitEntries(self):
chunk_size = MAX_ENTRY_SIZE + 1
test_string = test_helper.uncompressableString(chunk_size)
updater = RecordIOWriter("test")
updater.create()
updater.insert("test", test_string)
list(updater.commit_to_queue_())
pull = taskqueue.Queue('recordio-queue')
tasks = list(pull.lease_tasks(60, 100))
self.assertEqual(len(tasks), 1)
self.assertEqual(tasks[0].tag, RecordIOShard.key_name("test"))
updates = marshal.loads(tasks[0].payload)
self.assertEqual([('test', 0, 2), ('test', 1, 2)],
[x[:-2] for x in updates])
self.assertEqual(STRING + test_string, "".join([x[-1] for x in updates]))
def testWriteStringMarshalPickle(self):
updater = RecordIOWriter("test")
updater.create()
updater.insert("string", "string")
marshalable = {"a": [1,2,3]}
updater.insert("marshal", marshalable)
class AnyClass():
pass
pickleable = AnyClass()
updater.insert("cpickle", pickleable)
updater.commit_sync()
recordio = RecordIOShard.all().get()
self.assertEqual([x for x in recordio],
[("cpickle", CPICKLE + cPickle.dumps(pickleable)),
("marshal", MARSHAL + marshal.dumps(marshalable)),
("string", STRING + "string")])
def testWriteDuringSplit(self):
recordio = RecordIOShard.create("test", compressed=False)
recordio.insert(("1", STRING + "1"))
recordio.insert(("2", STRING + "2"))
lo_shard, hi_shard = recordio.split()
lo_shard.commit()
updater = RecordIOWriter("test")
updater.insert("3", "3")
self.assertRaises(RecordIOShardDoesNotExistError,
updater.commit_shard_,
hi_shard.key().name(), updater.updates)
self.assertRaises(RecordIOWriterNotCompletedError,
updater.commit_sync,
32, 0)
hi_shard.commit()
updater.insert("0", STRING + "0")
updater.commit_sync()
lo_shard, hi_shard = [x for x in RecordIOShard.all()]
self.assertEqual([x[0] for x in lo_shard], ["0", "1"])
self.assertEqual([x[0] for x in hi_shard], ["2", "3"])
def testCommitToQueue(self):
updater = RecordIOWriter("test")
updater.create()
chunk_size = MAX_ENTRY_SIZE - 1
entries_to_write = MAX_TASKQUEUE_BATCH_SIZE / MAX_ENTRY_SIZE + 1
for i in xrange(entries_to_write):
updater.insert(str("%09d" % i),
test_helper.uncompressableString(chunk_size))
list(updater.commit_to_queue_())
pull = taskqueue.Queue('recordio-queue')
tasks = list(pull.lease_tasks(60, 100))
self.assertEqual(len(tasks), 2)
self.assertEqual(tasks[0].tag, RecordIOShard.key_name("test"))
self.assertEqual(tasks[1].tag, RecordIOShard.key_name("test"))
updates_0 = marshal.loads(tasks[0].payload)
updates_1 = marshal.loads(tasks[1].payload)
self.assertEqual([str("%09d" % x) for x in xrange(entries_to_write)],
[x[0] for x in updates_0] + [x[0] for x in updates_1])
self.assertTrue(updates_0[0][1] ==
STRING + test_helper.uncompressableString(chunk_size))
def commit_batch(self, tag, batch):
"""Applies a batch of values to a RecordIO and deletes the taskqueue task,
:param tag: The current tag we are working on
:param batch: A list of (tasqueue_task, key_value_list)
:return: True on success
"""
if batch:
done_tasks = []
count = 0
writer = RecordIOWriter(RecordIOShard.get_name(tag))
for done_task, key_values in batch:
done_tasks.append(done_task)
for entry in key_values:
writer.insert_entry_(entry)
count += 1
try:
writer.commit_sync(retries=1)
try:
self.pull.delete_tasks(done_tasks)
except taskqueue.BadTaskStateError:
for task in done_tasks:
if task.was_deleted:
continue
try:
self.pull.delete_tasks(task)
except taskqueue.BadTaskStateError:
logging.debug(
"RecordIO Failed to free task %s on %s" %
task.name, tag)
logging.debug("RecordIO wrote %d entries to %s" %
(count, writer.name))
except RecordIOWriterNotCompletedError:
logging.debug("RecordIO not completed on: %s" % tag)
for task in done_tasks:
self.pull.modify_task_lease(task, 0)
return False
return True
