class CreateManyDkeys(Test):
"""
Test Class Description:
Tests that create large numbers of keys in objects/containers and then
destroy the containers and verify the space has been reclaimed.
:avocado: recursive
"""
def setUp(self):
super(CreateManyDkeys, self).setUp()
self.pool = DaosPool(self.context)
self.pool.create(self.params.get("mode", '/run/pool/createmode/*'),
os.geteuid(), os.getegid(),
self.params.get("size", '/run/pool/createsize/*'),
self.params.get("setname", '/run/pool/createset/*'),
None)
self.pool.connect(1 << 1)
def tearDown(self):
try:
if self.pool:
self.pool.destroy(1)
finally:
super(CreateManyDkeys, self).tearDown()
def write_a_bunch_of_values(self, how_many):
"""
Write data to an object, each with a dkey and akey. The how_many
parameter determines how many key:value pairs are written.
"""
self.container = DaosContainer(self.context)
self.container.create(self.pool.handle)
self.container.open()
ioreq = IORequest(self.context, self.container, None)
epoch = self.container.get_new_epoch()
c_epoch = ctypes.c_uint64(epoch)
print("Started Writing the Dataset-----------\n")
inc = 50000
last_key = inc
for key in range(how_many):
c_dkey = ctypes.create_string_buffer("dkey {0}".format(key))
c_akey = ctypes.create_string_buffer("akey {0}".format(key))
c_value = ctypes.create_string_buffer(
"some data that gets stored with the key {0}".format(key))
c_size = ctypes.c_size_t(ctypes.sizeof(c_value))
ioreq.single_insert(c_dkey, c_akey, c_value, c_size, c_epoch)
if key > last_key:
print("written: {}".format(key))
sys.stdout.flush()
last_key = key + inc
self.container.commit_epoch(c_epoch)
print("Started Verification of the Dataset-----------\n")
last_key = inc
for key in range(how_many):
c_dkey = ctypes.create_string_buffer("dkey {0}".format(key))
c_akey = ctypes.create_string_buffer("akey {0}".format(key))
the_data = "some data that gets stored with the key {0}".format(
key)
val = ioreq.single_fetch(c_dkey, c_akey,
len(the_data) + 1, c_epoch)
if the_data != (repr(val.value)[1:-1]):
self.fail("ERROR: Data mismatch for dkey = {0}, akey={1}, "
"Expected Value={2} and Received Value={3}\n".format(
"dkey {0}".format(key), "akey {0}".format(key),
the_data,
repr(val.value)[1:-1]))
if key > last_key:
print("veried: {}".format(key))
sys.stdout.flush()
last_key = key + inc
print("starting destroy")
self.container.close()
self.container.destroy()
print("destroy complete")
@avocado.fail_on(DaosApiError)
@skipForTicket("DAOS-1721")
def test_many_dkeys(self):
"""
Test ID: DAOS-1701
Test Description: Test many of dkeys in same object.
Use Cases: 1. large key counts
2. space reclaimation after destroy
:avocado: tags=object,vm,many_dkeys
"""
no_of_dkeys = self.params.get("number_of_dkeys", '/run/dkeys/')
# write a lot of individual data items, verify them, then destroy
self.write_a_bunch_of_values(no_of_dkeys)
# do it again, which should verify the first container
# was truely destroyed because a second round won't fit otherwise
self.write_a_bunch_of_values(no_of_dkeys)
class CreateManyDkeys(Test):
"""
Test Class Description:
Tests that create large numbers of keys in objects/containers and then
destroy the containers and verify the space has been reclaimed.
"""
def setUp(self):
self.agent_sessions = None
with open('../../../.build_vars.json') as json_f:
build_paths = json.load(json_f)
basepath = os.path.normpath(build_paths['PREFIX'] + "/../")
server_group = self.params.get("name",
'/server_config/',
'daos_server')
self.context = DaosContext(build_paths['PREFIX'] + '/lib/')
self.container = None
self.hostlist = self.params.get("test_machines", '/run/hosts/*')
self.hostfile = write_host_file.write_host_file(self.hostlist,
self.workdir)
self.agent_sessions = AgentUtils.run_agent(basepath, self.hostlist)
server_utils.run_server(self.hostfile, server_group, basepath)
self.pool = DaosPool(self.context)
self.pool.create(self.params.get("mode", '/run/pool/createmode/*'),
os.geteuid(),
os.getegid(),
self.params.get("size", '/run/pool/createsize/*'),
self.params.get("setname", '/run/pool/createset/*'),
None)
self.pool.connect(1 << 1)
def tearDown(self):
try:
if self.hostfile is not None:
os.remove(self.hostfile)
if self.pool:
self.pool.destroy(1)
finally:
if self.agent_sessions:
AgentUtils.stop_agent(self.hostlist, self.agent_sessions)
server_utils.stop_server(hosts=self.hostlist)
def write_a_bunch_of_values(self, how_many):
"""
Write data to an object, each with a dkey and akey. The how_many
parameter determines how many key:value pairs are written.
"""
self.container = DaosContainer(self.context)
self.container.create(self.pool.handle)
self.container.open()
ioreq = IORequest(self.context, self.container, None)
epoch = self.container.get_new_epoch()
c_epoch = ctypes.c_uint64(epoch)
print("Started Writing the Dataset-----------\n")
inc = 50000
last_key = inc
for key in range(how_many):
c_dkey = ctypes.create_string_buffer("dkey {0}".format(key))
c_akey = ctypes.create_string_buffer("akey {0}".format(key))
c_value = ctypes.create_string_buffer(
"some data that gets stored with the key {0}".format(key))
c_size = ctypes.c_size_t(ctypes.sizeof(c_value))
ioreq.single_insert(c_dkey,
c_akey,
c_value,
c_size,
c_epoch)
if key > last_key:
print("written: {}".format(key))
sys.stdout.flush()
last_key = key + inc
self.container.commit_epoch(c_epoch)
print("Started Verification of the Dataset-----------\n")
last_key = inc
for key in range(how_many):
c_dkey = ctypes.create_string_buffer("dkey {0}".format(key))
c_akey = ctypes.create_string_buffer("akey {0}".format(key))
the_data = "some data that gets stored with the key {0}".format(key)
val = ioreq.single_fetch(c_dkey,
c_akey,
len(the_data)+1,
c_epoch)
if the_data != (repr(val.value)[1:-1]):
self.fail("ERROR: Data mismatch for dkey = {0}, akey={1}, "
"Expected Value={2} and Received Value={3}\n"
.format("dkey {0}".format(key),
"akey {0}".format(key),
the_data,
repr(val.value)[1:-1]))
if key > last_key:
print("veried: {}".format(key))
sys.stdout.flush()
last_key = key + inc
print("starting destroy")
self.container.close()
self.container.destroy()
print("destroy complete")
@avocado.fail_on(DaosApiError)
@avocado.skip("Skipping until DAOS-1721 is fixed.")
def test_many_dkeys(self):
"""
Test ID: DAOS-1701
Test Description: Test many of dkeys in same object.
Use Cases: 1. large key counts
2. space reclaimation after destroy
:avocado: tags=object,vm,many_dkeys
"""
no_of_dkeys = self.params.get("number_of_dkeys", '/run/dkeys/')
# write a lot of individual data items, verify them, then destroy
self.write_a_bunch_of_values(no_of_dkeys)
# do it again, which should verify the first container
# was truely destroyed because a second round won't fit otherwise
self.write_a_bunch_of_values(no_of_dkeys)
class CreateMillionDkeys(Test):
"""
Tests To Create the Millions Dkeys in same Object.
"""
def setUp(self):
with open('../../../.build_vars.json') as json_f:
build_paths = json.load(json_f)
basepath = os.path.normpath(build_paths['PREFIX'] + "/../")
tmp = build_paths['PREFIX'] + '/tmp'
server_group = self.params.get("server_group", '/server/',
'daos_server')
self.context = DaosContext(build_paths['PREFIX'] + '/lib/')
self.hostlist = self.params.get("test_machines", '/run/hosts/*')
self.hostfile = WriteHostFile.WriteHostFile(self.hostlist, tmp)
ServerUtils.runServer(self.hostfile, server_group, basepath)
self.pool = DaosPool(self.context)
self.pool.create(self.params.get("mode", '/run/pool/createmode/*'),
os.geteuid(), os.getegid(),
self.params.get("size", '/run/pool/createsize/*'),
self.params.get("setname", '/run/pool/createset/*'),
None)
self.pool.connect(1 << 1)
poh = self.pool.handle
self.container = DaosContainer(self.context)
self.container.create(poh)
self.container.open()
def tearDown(self):
if self.hostfile is not None:
os.remove(self.hostfile)
self.pool.destroy(1)
ServerUtils.stopServer()
ServerUtils.killServer(self.hostlist)
def test_million_dkeys(self):
"""
Test millions dkeys in same object
:avocado: tags=dkeys,regression,vm,large
"""
ioreq = IORequest(self.context, self.container, None)
epoch = self.container.get_new_epoch()
c_epoch = ctypes.c_uint64(epoch)
no_of_dkeys = self.params.get("number_of_dkeys", '/run/dkeys/')
try:
print("Started Writing the Dataset-----------\n")
for key in range(no_of_dkeys):
c_dkey = ctypes.create_string_buffer("dkey {0}".format(key))
c_akey = ctypes.create_string_buffer("akey {0}".format(key))
c_value = ctypes.create_string_buffer("data {0}".format(key))
c_size = ctypes.c_size_t(len("data {0}".format(key)) + 1)
ioreq.single_insert(c_dkey, c_akey, c_value, c_size, epoch)
self.container.commit_epoch(c_epoch)
print("Started Verification of the Dataset-----------\n")
for key in range(no_of_dkeys):
c_dkey = ctypes.create_string_buffer("dkey {0}".format(key))
c_akey = ctypes.create_string_buffer("akey {0}".format(key))
val = ioreq.single_fetch(c_dkey, c_akey,
len("data {0}".format(key)) + 1,
c_epoch)
original_data = "data {0}".format(key)
if original_data != (repr(val.value)[1:-1]):
self.fail(
"ERROR: Data mismatch for dkey = {0}, akey={1}, "
"Expected Value={2} and Received Value={3}\n".format(
"dkey {0}".format(key), "akey {0}".format(key),
original_data,
repr(val.value)[1:-1]))
except ValueError as e:
print(e)
print(traceback.format_exc())
self.fail("Test was expected to pass but it failed.\n")
