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milvus/tests/milvus_python_test/utils.py

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import os
import sys
import random
import pdb
import string
import struct
import logging
import time, datetime
import copy
import numpy as np
from sklearn import preprocessing
from milvus import Milvus, IndexType, MetricType, DataType
port = 19530
epsilon = 0.000001
default_flush_interval = 1
big_flush_interval = 1000
dimension = 128
segment_size = 10
# TODO:
all_index_types = [
"FLAT",
"IVF_FLAT",
"IVF_SQ8",
"IVF_SQ8_HYBRID",
"IVF_PQ",
"HNSW",
# "NSG",
"ANNOY",
"BIN_FLAT",
"BIN_IVF_FLAT"
]
default_index_params = [
{"nlist": 1024},
{"nlist": 1024},
{"nlist": 1024},
{"nlist": 1024},
{"nlist": 1024, "m": 16},
{"M": 48, "efConstruction": 500},
# {"search_length": 50, "out_degree": 40, "candidate_pool_size": 100, "knng": 50},
{"n_trees": 4},
{"nlist": 1024},
{"nlist": 1024}
]
def index_cpu_not_support():
return ["IVF_SQ8_HYBRID"]
def binary_support():
return ["BIN_FLAT", "BIN_IVF_FLAT"]
def delete_support():
return ["FLAT", "IVF_FLAT", "IVF_SQ8", "IVF_SQ8_HYBRID", "IVF_PQ"]
def ivf():
return ["FLAT", "IVF_FLAT", "IVF_SQ8", "IVF_SQ8_HYBRID", "IVF_PQ"]
def l2(x, y):
return np.linalg.norm(np.array(x) - np.array(y))
def ip(x, y):
return np.inner(np.array(x), np.array(y))
def jaccard(x, y):
x = np.asarray(x, np.bool)
y = np.asarray(y, np.bool)
return 1 - np.double(np.bitwise_and(x, y).sum()) / np.double(np.bitwise_or(x, y).sum())
def hamming(x, y):
x = np.asarray(x, np.bool)
y = np.asarray(y, np.bool)
return np.bitwise_xor(x, y).sum()
def tanimoto(x, y):
x = np.asarray(x, np.bool)
y = np.asarray(y, np.bool)
return -np.log2(np.double(np.bitwise_and(x, y).sum()) / np.double(np.bitwise_or(x, y).sum()))
def substructure(x, y):
x = np.asarray(x, np.bool)
y = np.asarray(y, np.bool)
return 1 - np.double(np.bitwise_and(x, y).sum()) / np.count_nonzero(y)
def superstructure(x, y):
x = np.asarray(x, np.bool)
y = np.asarray(y, np.bool)
return 1 - np.double(np.bitwise_and(x, y).sum()) / np.count_nonzero(x)
def get_milvus(host, port, uri=None, handler=None, **kwargs):
if handler is None:
handler = "GRPC"
try_connect = kwargs.get("try_connect", True)
if uri is not None:
milvus = Milvus(uri=uri, handler=handler, try_connect=try_connect)
else:
milvus = Milvus(host=host, port=port, handler=handler, try_connect=try_connect)
return milvus
def disable_flush(connect):
connect.set_config("storage", "auto_flush_interval", big_flush_interval)
def enable_flush(connect):
# reset auto_flush_interval=1
connect.set_config("storage", "auto_flush_interval", default_flush_interval)
config_value = connect.get_config("storage", "auto_flush_interval")
assert config_value == str(default_flush_interval)
def gen_inaccuracy(num):
return num / 255.0
def gen_vectors(num, dim, is_normal=False):
vectors = [[random.random() for _ in range(dim)] for _ in range(num)]
vectors = preprocessing.normalize(vectors, axis=1, norm='l2')
return vectors.tolist()
# def gen_vectors(num, dim, seed=np.random.RandomState(1234), is_normal=False):
# xb = seed.rand(num, dim).astype("float32")
# xb = preprocessing.normalize(xb, axis=1, norm='l2')
# return xb.tolist()
def gen_binary_vectors(num, dim):
raw_vectors = []
binary_vectors = []
for i in range(num):
raw_vector = [random.randint(0, 1) for i in range(dim)]
raw_vectors.append(raw_vector)
binary_vectors.append(bytes(np.packbits(raw_vector, axis=-1).tolist()))
return raw_vectors, binary_vectors
def gen_binary_sub_vectors(vectors, length):
raw_vectors = []
binary_vectors = []
dim = len(vectors[0])
for i in range(length):
raw_vector = [0 for i in range(dim)]
vector = vectors[i]
for index, j in enumerate(vector):
if j == 1:
raw_vector[index] = 1
raw_vectors.append(raw_vector)
binary_vectors.append(bytes(np.packbits(raw_vector, axis=-1).tolist()))
return raw_vectors, binary_vectors
def gen_binary_super_vectors(vectors, length):
raw_vectors = []
binary_vectors = []
dim = len(vectors[0])
for i in range(length):
cnt_1 = np.count_nonzero(vectors[i])
raw_vector = [1 for i in range(dim)]
raw_vectors.append(raw_vector)
binary_vectors.append(bytes(np.packbits(raw_vector, axis=-1).tolist()))
return raw_vectors, binary_vectors
def gen_int_attr(row_num):
return [random.randint(0, 255) for _ in range(row_num)]
def gen_float_attr(row_num):
return [random.uniform(0, 255) for _ in range(row_num)]
def gen_unique_str(str_value=None):
prefix = "".join(random.choice(string.ascii_letters + string.digits) for _ in range(8))
return "test_" + prefix if str_value is None else str_value + "_" + prefix
def gen_single_filter_fields():
fields = []
for data_type in DataType:
if data_type in [DataType.INT8, DataType.INT16, DataType.INT32, DataType.INT64, DataType.FLOAT, DataType.DOUBLE]:
fields.append({"field": data_type.name, "type": data_type})
return fields
def gen_single_vector_fields():
fields = []
for metric_type in ['HAMMING', 'IP', 'JACCARD', 'L2', 'SUBSTRUCTURE', 'SUPERSTRUCTURE', 'TANIMOTO']:
for data_type in [DataType.FLOAT_VECTOR, DataType.BINARY_VECTOR]:
if metric_type in ["L2", "IP"] and data_type == DataType.BINARY_VECTOR:
continue
if metric_type not in ["L2", "IP"] and data_type == DataType.FLOAT_VECTOR:
continue
field = {"field": data_type.name, "type": data_type, "params": {"metric_type": metric_type, "dimension": dimension}}
fields.append(field)
return fields
def gen_default_fields():
default_fields = {
"fields": [
{"field": "int8", "type": DataType.INT8},
{"field": "int64", "type": DataType.INT64},
{"field": "float", "type": DataType.FLOAT},
{"field": "vector", "type": DataType.FLOAT_VECTOR, "params": {"metric_type": "L2", "dimension": dimension}}
],
"segment_size": segment_size
}
return default_fields
def gen_entities(nb, is_normal=False):
vectors = gen_vectors(nb, dimension, is_normal)
entities = [
{"field": "int8", "type": DataType.INT8, "values": [1 for i in range(nb)]},
{"field": "int64", "type": DataType.INT64, "values": [2 for i in range(nb)]},
{"field": "float", "type": DataType.FLOAT, "values": [3.0 for i in range(nb)]},
{"field": "vector", "type": DataType.FLOAT_VECTOR, "values": vectors}
]
return entities
def gen_binary_entities(nb):
raw_vectors, vectors = gen_binary_vectors(nb, dimension)
entities = [
{"field": "int8", "type": DataType.INT8, "values": [1 for i in range(nb)]},
{"field": "int64", "type": DataType.INT64, "values": [2 for i in range(nb)]},
{"field": "float", "type": DataType.FLOAT, "values": [3.0 for i in range(nb)]},
{"field": "binary_vector", "type": DataType.BINARY_VECTOR, "values": vectors}
]
return raw_vectors, entities
def gen_entities_by_fields(fields, nb, dimension):
entities = []
for field in fields:
if field["type"] in [DataType.INT8, DataType.INT16, DataType.INT32, DataType.INT64]:
field_value = [1 for i in range(nb)]
elif field["type"] in [DataType.FLOAT, DataType.DOUBLE]:
field_value = [3.0 for i in range(nb)]
elif field["type"] == DataType.BINARY_VECTOR:
field_value = gen_binary_vectors(nb, dimension)[1]
elif field["type"] == DataType.FLOAT_VECTOR:
field_value = gen_vectors(nb, dimension)
field.update({"values": field_value})
entities.append(field)
return entities
def assert_equal_entity(a, b):
pass
def gen_query_vectors_inside_entities(field_name, entities, top_k, nq, search_params={"nprobe": 10}):
query_vectors = entities[-1]["values"][:nq]
query = {
"bool": {
"must": [
{"vector": {field_name: {"topk": top_k, "query": query_vectors, "params": search_params}}}
]
}
}
return query, query_vectors
def gen_query_vectors_rand_entities(field_name, entities, top_k, nq, search_params={"nprobe": 10}):
dimension = len(entities[-1]["values"][0])
query_vectors = gen_vectors(nq, dimension)
query = {
"bool": {
"must": [
{"vector": {field_name: {"topk": top_k, "query": query_vectors, "params": search_params}}}
]
}
}
return query, query_vectors
def add_field(entities):
nb = len(entities[0]["values"])
field = {
"field": gen_unique_str(),
"type": DataType.INT8,
"values": [1 for i in range(nb)]
}
entities.append(field)
return entities
def add_vector_field(entities, is_normal=False):
nb = len(entities[0]["values"])
vectors = gen_vectors(nb, dimension, is_normal)
field = {
"field": gen_unique_str(),
"type": DataType.FLOAT_VECTOR,
"values": vectors
}
entities.append(field)
return entities
def update_fields_metric_type(fields, metric_type):
tmp_fields = copy.deepcopy(fields)
if metric_type in ["L2", "IP"]:
tmp_fields["fields"][-1]["type"] = DataType.FLOAT_VECTOR
else:
tmp_fields["fields"][-1]["type"] = DataType.BINARY_VECTOR
tmp_fields["fields"][-1]["params"]["metric_type"] = metric_type
return tmp_fields
def remove_field(entities):
del entities[0]
return entities
def remove_vector_field(entities):
del entities[-1]
return entities
def update_field_name(entities, old_name, new_name):
for item in entities:
if item["field"] == old_name:
item["field"] = new_name
return entities
def update_field_type(entities, old_name, new_name):
for item in entities:
if item["field"] == old_name:
item["type"] = new_name
return entities
def update_field_value(entities, old_type, new_value):
for item in entities:
if item["type"] == old_type:
for i in item["values"]:
item["values"][i] = new_value
return entities
def add_vector_field(nb, dimension=dimension):
field_name = gen_unique_str()
field = {
"field": field_name,
"type": DataType.FLOAT_VECTOR,
"values": gen_vectors(nb, dimension)
}
return field_name
def gen_segment_sizes():
sizes = [
1,
2,
1024,
4096
]
return sizes
def gen_invalid_ips():
ips = [
# "255.0.0.0",
# "255.255.0.0",
# "255.255.255.0",
# "255.255.255.255",
"127.0.0",
# "123.0.0.2",
"12-s",
" ",
"12 s",
"BB。A",
" siede ",
"(mn)",
"中文",
"a".join("a" for _ in range(256))
]
return ips
def gen_invalid_uris():
ip = None
uris = [
" ",
"中文",
# invalid protocol
# "tc://%s:%s" % (ip, port),
# "tcp%s:%s" % (ip, port),
# # invalid port
# "tcp://%s:100000" % ip,
# "tcp://%s: " % ip,
# "tcp://%s:19540" % ip,
# "tcp://%s:-1" % ip,
# "tcp://%s:string" % ip,
# invalid ip
"tcp:// :19530",
# "tcp://123.0.0.1:%s" % port,
"tcp://127.0.0:19530",
# "tcp://255.0.0.0:%s" % port,
# "tcp://255.255.0.0:%s" % port,
# "tcp://255.255.255.0:%s" % port,
# "tcp://255.255.255.255:%s" % port,
"tcp://\n:19530",
]
return uris
def gen_invalid_strs():
strings = [
1,
[1],
None,
"12-s",
" ",
# "",
# None,
"12 s",
"BB。A",
"c|c",
" siede ",
"(mn)",
"pip+",
"=c",
"中文",
"a".join("a" for i in range(256))
]
return strings
def gen_invalid_field_types():
field_types = [
# 1,
"=c",
# 0,
None,
"",
"a".join("a" for i in range(256))
]
return field_types
def gen_invalid_metric_types():
metric_types = [
1,
"=c",
0,
None,
"",
"a".join("a" for i in range(256))
]
return metric_types
# TODO:
def gen_invalid_ints():
top_ks = [
# 1.0,
None,
"stringg",
[1,2,3],
(1,2),
{"a": 1},
" ",
"",
"String",
"12-s",
"BB。A",
" siede ",
"(mn)",
"pip+",
"=c",
"中文",
"a".join("a" for i in range(256))
]
return top_ks
def gen_invalid_params():
params = [
9999999999,
-1,
# None,
[1,2,3],
(1,2),
{"a": 1},
" ",
"",
"String",
"12-s",
"BB。A",
" siede ",
"(mn)",
"pip+",
"=c",
"中文"
]
return params
def gen_invalid_vectors():
invalid_vectors = [
"1*2",
[],
[1],
[1,2],
[" "],
['a'],
[None],
None,
(1,2),
{"a": 1},
" ",
"",
"String",
"12-s",
"BB。A",
" siede ",
"(mn)",
"pip+",
"=c",
"中文",
"a".join("a" for i in range(256))
]
return invalid_vectors
def gen_invaild_search_params():
invalid_search_key = 100
search_params = []
for index_type in all_index_types:
if index_type == "FLAT":
continue
search_params.append({"index_type": index_type, "search_params": {"invalid_key": invalid_search_key}})
if index_type in delete_support():
for nprobe in gen_invalid_params():
ivf_search_params = {"index_type": index_type, "search_params": {"nprobe": nprobe}}
search_params.append(ivf_search_params)
elif index_type == "HNSW":
for ef in gen_invalid_params():
hnsw_search_param = {"index_type": index_type, "search_params": {"ef": ef}}
search_params.append(hnsw_search_param)
elif index_type == "NSG":
for search_length in gen_invalid_params():
nsg_search_param = {"index_type": index_type, "search_params": {"search_length": search_length}}
search_params.append(nsg_search_param)
search_params.append({"index_type": index_type, "search_params": {"invalid_key": 100}})
elif index_type == "ANNOY":
for search_k in gen_invalid_params():
if isinstance(search_k, int):
continue
annoy_search_param = {"index_type": index_type, "search_params": {"search_k": search_k}}
search_params.append(annoy_search_param)
return search_params
def gen_invalid_index():
index_params = []
for index_type in gen_invalid_strs():
index_param = {"index_type": index_type, "params": {"nlist": 1024}}
index_params.append(index_param)
for nlist in gen_invalid_params():
index_param = {"index_type": "IVF_FLAT", "params": {"nlist": nlist}}
index_params.append(index_param)
for M in gen_invalid_params():
index_param = {"index_type": "HNSW", "params": {"M": M, "efConstruction": 100}}
index_params.append(index_param)
for efConstruction in gen_invalid_params():
index_param = {"index_type": "HNSW", "params": {"M": 16, "efConstruction": efConstruction}}
index_params.append(index_param)
for search_length in gen_invalid_params():
index_param = {"index_type": "NSG",
"params": {"search_length": search_length, "out_degree": 40, "candidate_pool_size": 50,
"knng": 100}}
index_params.append(index_param)
for out_degree in gen_invalid_params():
index_param = {"index_type": "NSG",
"params": {"search_length": 100, "out_degree": out_degree, "candidate_pool_size": 50,
"knng": 100}}
index_params.append(index_param)
for candidate_pool_size in gen_invalid_params():
index_param = {"index_type": "NSG", "params": {"search_length": 100, "out_degree": 40,
"candidate_pool_size": candidate_pool_size,
"knng": 100}}
index_params.append(index_param)
index_params.append({"index_type": "IVF_FLAT", "params": {"invalid_key": 1024}})
index_params.append({"index_type": "HNSW", "params": {"invalid_key": 16, "efConstruction": 100}})
index_params.append({"index_type": "NSG",
"params": {"invalid_key": 100, "out_degree": 40, "candidate_pool_size": 300,
"knng": 100}})
for invalid_n_trees in gen_invalid_params():
index_params.append({"index_type": "ANNOY", "params": {"n_trees": invalid_n_trees}})
return index_params
def gen_index():
nlists = [1, 1024, 16384]
pq_ms = [128, 64, 32, 16, 8, 4]
Ms = [5, 24, 48]
efConstructions = [100, 300, 500]
search_lengths = [10, 100, 300]
out_degrees = [5, 40, 300]
candidate_pool_sizes = [50, 100, 300]
knngs = [5, 100, 300]
index_params = []
for index_type in all_index_types:
if index_type in ["FLAT", "BIN_FLAT", "BIN_IVF_FLAT"]:
index_params.append({"index_type": index_type, "index_param": {"nlist": 1024}})
elif index_type in ["IVF_FLAT", "IVF_SQ8", "IVF_SQ8_HYBRID"]:
ivf_params = [{"index_type": index_type, "index_param": {"nlist": nlist}} \
for nlist in nlists]
index_params.extend(ivf_params)
elif index_type == "IVF_PQ":
IVFPQ_params = [{"index_type": index_type, "index_param": {"nlist": nlist, "m": m}} \
for nlist in nlists \
for m in pq_ms]
index_params.extend(IVFPQ_params)
elif index_type == "HNSW":
hnsw_params = [{"index_type": index_type, "index_param": {"M": M, "efConstruction": efConstruction}} \
for M in Ms \
for efConstruction in efConstructions]
index_params.extend(hnsw_params)
elif index_type == "NSG":
nsg_params = [{"index_type": index_type,
"index_param": {"search_length": search_length, "out_degree": out_degree,
"candidate_pool_size": candidate_pool_size, "knng": knng}} \
for search_length in search_lengths \
for out_degree in out_degrees \
for candidate_pool_size in candidate_pool_sizes \
for knng in knngs]
index_params.extend(nsg_params)
return index_params
def gen_simple_index():
index_params = []
for i in range(len(all_index_types)):
if all_index_types[i] in binary_support():
continue
dic = {"index_type": all_index_types[i]}
dic.update(default_index_params[i])
index_params.append(dic)
return index_params
def gen_binary_index():
index_params = []
for i in range(len(all_index_types)):
if all_index_types[i] in binary_support():
dic = {"index_type": all_index_types[i]}
dic.update(default_index_params[i])
index_params.append(dic)
return index_params
def get_search_param(index_type):
if index_type in ivf() or index_type in binary_support():
return {"nprobe": 32}
elif index_type == "HNSW":
return {"ef": 64}
elif index_type == "NSG":
return {"search_length": 100}
elif index_type == "ANNOY":
return {"search_k": 100}
else:
logging.getLogger().info("Invalid index_type.")
def assert_equal_vector(v1, v2):
if len(v1) != len(v2):
assert False
for i in range(len(v1)):
assert abs(v1[i] - v2[i]) < epsilon
def restart_server(helm_release_name):
res = True
timeout = 120
from kubernetes import client, config
client.rest.logger.setLevel(logging.WARNING)
namespace = "milvus"
# service_name = "%s.%s.svc.cluster.local" % (helm_release_name, namespace)
config.load_kube_config()
v1 = client.CoreV1Api()
pod_name = None
# config_map_names = v1.list_namespaced_config_map(namespace, pretty='true')
# body = {"replicas": 0}
pods = v1.list_namespaced_pod(namespace)
for i in pods.items:
if i.metadata.name.find(helm_release_name) != -1 and i.metadata.name.find("mysql") == -1:
pod_name = i.metadata.name
break
# v1.patch_namespaced_config_map(config_map_name, namespace, body, pretty='true')
# status_res = v1.read_namespaced_service_status(helm_release_name, namespace, pretty='true')
# print(status_res)
if pod_name is not None:
try:
v1.delete_namespaced_pod(pod_name, namespace)
except Exception as e:
logging.error(str(e))
logging.error("Exception when calling CoreV1Api->delete_namespaced_pod")
res = False
return res
time.sleep(5)
# check if restart successfully
pods = v1.list_namespaced_pod(namespace)
for i in pods.items:
pod_name_tmp = i.metadata.name
if pod_name_tmp.find(helm_release_name) != -1:
logging.debug(pod_name_tmp)
start_time = time.time()
while time.time() - start_time > timeout:
status_res = v1.read_namespaced_pod_status(pod_name_tmp, namespace, pretty='true')
if status_res.status.phase == "Running":
break
time.sleep(1)
if time.time() - start_time > timeout:
logging.error("Restart pod: %s timeout" % pod_name_tmp)
res = False
return res
else:
logging.error("Pod: %s not found" % helm_release_name)
res = False
return res
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