colibri.qdrant / tests /consensus_tests /test_shard_stream_transfer.py
Gouzi Mohaled
Ajout du dossier tests
3932407
import multiprocessing
import pathlib
from time import sleep
from .fixtures import upsert_random_points, create_collection
from .utils import *
N_PEERS = 3
N_SHARDS = 3
N_REPLICA = 1
COLLECTION_NAME = "test_collection"
def update_points_in_loop(peer_url, collection_name, offset=0, throttle=False, duration=None):
start = time.time()
limit = 3
while True:
upsert_random_points(peer_url, limit, collection_name, offset=offset)
offset += limit
if throttle:
sleep(0.1)
if duration is not None and (time.time() - start) > duration:
break
def run_update_points_in_background(peer_url, collection_name, init_offset=0, throttle=False, duration=None):
p = multiprocessing.Process(target=update_points_in_loop, args=(peer_url, collection_name, init_offset, throttle, duration))
p.start()
return p
def check_data_consistency(data):
assert(len(data) > 1)
for i in range(len(data) - 1):
j = i + 1
data_i = data[i]
data_j = data[j]
if data_i != data_j:
ids_i = set(x["id"] for x in data_i["points"])
ids_j = set(x["id"] for x in data_j["points"])
diff = ids_i - ids_j
if len(diff) < 100:
print(f"Diff between {i} and {j}: {diff}")
else:
print(f"Diff len between {i} and {j}: {len(diff)}")
assert False, "Data on all nodes should be consistent"
# Transfer shards from one node to another
#
# Simply does the most basic transfer: no concurrent updates during the
# transfer.
#
# Test that data on the both sides is consistent
def test_shard_stream_transfer(tmp_path: pathlib.Path):
assert_project_root()
# seed port to reuse the same port for the restarted nodes
peer_api_uris, peer_dirs, bootstrap_uri = start_cluster(tmp_path, N_PEERS, 20000)
create_collection(peer_api_uris[0], shard_number=N_SHARDS, replication_factor=N_REPLICA)
wait_collection_exists_and_active_on_all_peers(
collection_name=COLLECTION_NAME,
peer_api_uris=peer_api_uris
)
# Insert some initial number of points
upsert_random_points(peer_api_uris[0], 100)
transfer_collection_cluster_info = get_collection_cluster_info(peer_api_uris[0], COLLECTION_NAME)
receiver_collection_cluster_info = get_collection_cluster_info(peer_api_uris[2], COLLECTION_NAME)
from_peer_id = transfer_collection_cluster_info['peer_id']
to_peer_id = receiver_collection_cluster_info['peer_id']
shard_id = transfer_collection_cluster_info['local_shards'][0]['shard_id']
# Transfer shard from one node to another
# Move shard `shard_id` to peer `target_peer_id`
r = requests.post(
f"{peer_api_uris[0]}/collections/{COLLECTION_NAME}/cluster", json={
"replicate_shard": {
"shard_id": shard_id,
"from_peer_id": from_peer_id,
"to_peer_id": to_peer_id,
"method": "stream_records",
}
})
assert_http_ok(r)
# Wait for end of shard transfer
wait_for_collection_shard_transfers_count(peer_api_uris[0], COLLECTION_NAME, 0)
receiver_collection_cluster_info = get_collection_cluster_info(peer_api_uris[2], COLLECTION_NAME)
number_local_shards = len(receiver_collection_cluster_info['local_shards'])
assert number_local_shards == 2
# Point counts must be consistent across nodes
counts = []
for uri in peer_api_uris:
r = requests.post(
f"{uri}/collections/{COLLECTION_NAME}/points/count", json={
"exact": True
}
)
assert_http_ok(r)
counts.append(r.json()["result"]['count'])
assert counts[0] == counts[1] == counts[2]
# Transfer shards from one node to another while applying throttled updates in parallel
#
# Updates are throttled to prevent sending updates faster than the queue proxy
# can handle. The transfer must therefore finish in 30 seconds without issues.
#
# Test that data on the both sides is consistent
def test_shard_stream_transfer_throttled_updates(tmp_path: pathlib.Path):
assert_project_root()
# seed port to reuse the same port for the restarted nodes
peer_api_uris, peer_dirs, bootstrap_uri = start_cluster(tmp_path, N_PEERS, 20000)
create_collection(peer_api_uris[0], shard_number=N_SHARDS, replication_factor=N_REPLICA)
wait_collection_exists_and_active_on_all_peers(
collection_name=COLLECTION_NAME,
peer_api_uris=peer_api_uris
)
# Insert some initial number of points
upsert_random_points(peer_api_uris[0], 10000)
# Start pushing points to the cluster
upload_process_1 = run_update_points_in_background(peer_api_uris[0], COLLECTION_NAME, init_offset=100, throttle=True)
upload_process_2 = run_update_points_in_background(peer_api_uris[1], COLLECTION_NAME, init_offset=10000, throttle=True)
upload_process_3 = run_update_points_in_background(peer_api_uris[2], COLLECTION_NAME, init_offset=20000, throttle=True)
transfer_collection_cluster_info = get_collection_cluster_info(peer_api_uris[0], COLLECTION_NAME)
receiver_collection_cluster_info = get_collection_cluster_info(peer_api_uris[2], COLLECTION_NAME)
from_peer_id = transfer_collection_cluster_info['peer_id']
to_peer_id = receiver_collection_cluster_info['peer_id']
shard_id = transfer_collection_cluster_info['local_shards'][0]['shard_id']
# Transfer shard from one node to another
# Move shard `shard_id` to peer `target_peer_id`
r = requests.post(
f"{peer_api_uris[0]}/collections/{COLLECTION_NAME}/cluster", json={
"replicate_shard": {
"shard_id": shard_id,
"from_peer_id": from_peer_id,
"to_peer_id": to_peer_id,
"method": "stream_records",
}
})
assert_http_ok(r)
# Wait for end of shard transfer
wait_for_collection_shard_transfers_count(peer_api_uris[0], COLLECTION_NAME, 0)
upload_process_1.kill()
upload_process_2.kill()
upload_process_3.kill()
sleep(1)
receiver_collection_cluster_info = get_collection_cluster_info(peer_api_uris[2], COLLECTION_NAME)
number_local_shards = len(receiver_collection_cluster_info['local_shards'])
assert number_local_shards == 2
# Point counts must be consistent across nodes
counts = []
for uri in peer_api_uris:
r = requests.post(
f"{uri}/collections/{COLLECTION_NAME}/points/count", json={
"exact": True
}
)
assert_http_ok(r)
counts.append(r.json()["result"]['count'])
assert counts[0] == counts[1] == counts[2]
# Transfer shards from one node to another while applying updates in parallel
#
# A fast burst of updates is sent in the first 5 seconds, the queue proxy will
# not be able to keep up with this. After that, updates are throttled. The
# transfer must still finish in 30 seconds without issues.
#
# Test that data on the both sides is consistent
def test_shard_stream_transfer_fast_burst(tmp_path: pathlib.Path):
assert_project_root()
# seed port to reuse the same port for the restarted nodes
peer_api_uris, peer_dirs, bootstrap_uri = start_cluster(tmp_path, N_PEERS, 20000)
create_collection(peer_api_uris[0], shard_number=N_SHARDS, replication_factor=N_REPLICA)
wait_collection_exists_and_active_on_all_peers(
collection_name=COLLECTION_NAME,
peer_api_uris=peer_api_uris
)
# Insert some initial number of points
upsert_random_points(peer_api_uris[0], 10000)
# Start pushing points to the cluster
upload_process_1 = run_update_points_in_background(peer_api_uris[0], COLLECTION_NAME, init_offset=100, duration=5)
upload_process_2 = run_update_points_in_background(peer_api_uris[1], COLLECTION_NAME, init_offset=10000, duration=5)
upload_process_3 = run_update_points_in_background(peer_api_uris[2], COLLECTION_NAME, init_offset=20000, throttle=True)
transfer_collection_cluster_info = get_collection_cluster_info(peer_api_uris[0], COLLECTION_NAME)
receiver_collection_cluster_info = get_collection_cluster_info(peer_api_uris[2], COLLECTION_NAME)
from_peer_id = transfer_collection_cluster_info['peer_id']
to_peer_id = receiver_collection_cluster_info['peer_id']
shard_id = transfer_collection_cluster_info['local_shards'][0]['shard_id']
# Transfer shard from one node to another
# Move shard `shard_id` to peer `target_peer_id`
r = requests.post(
f"{peer_api_uris[0]}/collections/{COLLECTION_NAME}/cluster", json={
"replicate_shard": {
"shard_id": shard_id,
"from_peer_id": from_peer_id,
"to_peer_id": to_peer_id,
"method": "stream_records",
}
})
assert_http_ok(r)
# Wait for end of shard transfer
wait_for_collection_shard_transfers_count(peer_api_uris[0], COLLECTION_NAME, 0)
upload_process_1.kill()
upload_process_2.kill()
upload_process_3.kill()
sleep(1)
receiver_collection_cluster_info = get_collection_cluster_info(peer_api_uris[2], COLLECTION_NAME)
number_local_shards = len(receiver_collection_cluster_info['local_shards'])
assert number_local_shards == 2
# Point counts must be consistent across nodes
counts = []
for uri in peer_api_uris:
r = requests.post(
f"{uri}/collections/{COLLECTION_NAME}/points/count", json={
"exact": True
}
)
assert_http_ok(r)
counts.append(r.json()["result"]['count'])
if counts[0] != counts[1] or counts[1] != counts[2]:
data = []
for uri in peer_api_uris:
r = requests.post(
f"{uri}/collections/{COLLECTION_NAME}/points/scroll", json={
"limit": 999999999,
"with_vectors": False,
"with_payload": False,
}
)
assert_http_ok(r)
data.append(r.json()["result"])
check_data_consistency(data)