|
| 1 | +import dictdatabase as DDB |
| 2 | +import random |
| 3 | +import time |
| 4 | + |
| 5 | + |
| 6 | +def make_random_posts(count): |
| 7 | + posts = {} |
| 8 | + for _ in range(count): |
| 9 | + id = str(random.randint(0, 999_999_999)) |
| 10 | + title_length = random.randint(10, 100) |
| 11 | + content_length = random.randint(200, 500) |
| 12 | + posts[id] = { |
| 13 | + 'id': id, |
| 14 | + 'title': "".join(random.choices(" abcdefghijklmnopqrstuvwxyz,.", k=title_length)), |
| 15 | + 'content': "".join(random.choices(" abcdefghijklmnopqrstuvwxyz,.", k=content_length)), |
| 16 | + } |
| 17 | + return posts |
| 18 | + |
| 19 | + |
| 20 | + |
| 21 | +def make_users(count): |
| 22 | + all_users = {} |
| 23 | + for i in range(count): |
| 24 | + all_users[str(i)] = { |
| 25 | + "id": str(i), |
| 26 | + "name": "".join(random.choices("abcdefghijklmnopqrstuvwxyz", k=5)), |
| 27 | + "surname": "".join(random.choices("abcdefghijklmnopqrstuvwxyz", k=20)), |
| 28 | + "age": random.randint(20, 80), |
| 29 | + "posts": make_random_posts(random.randint(200, 300)), |
| 30 | + } |
| 31 | + return all_users |
| 32 | + |
| 33 | + |
| 34 | + |
| 35 | + |
| 36 | +def read_specific_users(): |
| 37 | + accessed_users = sorted([str(i * 100) for i in range(100)], key=lambda x: random.random()) |
| 38 | + t1 = time.monotonic() |
| 39 | + for user_id in accessed_users: |
| 40 | + print(f"Accessing user {user_id}") |
| 41 | + u = DDB.at("big_users", key=user_id).read() |
| 42 | + print(f"User {user_id} has {len(u['posts'])} posts and is {u['age']} years old") |
| 43 | + t2 = time.monotonic() |
| 44 | + print(f"Time taken: {(t2 - t1) * 1000}ms") |
| 45 | + |
| 46 | + |
| 47 | + |
| 48 | +def write_specific_users(): |
| 49 | + accessed_users = sorted([str(i * 100) for i in range(100)], key=lambda x: random.random()) |
| 50 | + t1 = time.monotonic() |
| 51 | + for user_id in accessed_users: |
| 52 | + print(f"Accessing user {user_id}") |
| 53 | + |
| 54 | + with DDB.at("big_users", key=user_id).session() as (session, user): |
| 55 | + user["surname"] = "".join(random.choices("abcdefghijklmnopqrstuvwxyz", k=random.randint(3, 50))) |
| 56 | + session.write() |
| 57 | + t2 = time.monotonic() |
| 58 | + print(f"Time taken: {(t2 - t1) * 1000}ms") |
| 59 | + |
| 60 | + |
| 61 | + |
| 62 | + |
| 63 | +def random_access_users(write_read_ratio=0.1, count=500): |
| 64 | + accessed_users = [str(i * 100) for i in [random.randint(0, 99) for _ in range(count)]] |
| 65 | + t1 = time.monotonic() |
| 66 | + for user_id in accessed_users: |
| 67 | + |
| 68 | + if random.random() < write_read_ratio: |
| 69 | + with DDB.at("big_users", key=user_id).session() as (session, user): |
| 70 | + user["surname"] = "".join(random.choices("abcdefghijklmnopqrstuvwxyz", k=random.randint(3, 50))) |
| 71 | + session.write() |
| 72 | + print(f"Accessed user {user_id} for writing") |
| 73 | + else: |
| 74 | + u = DDB.at("big_users", key=user_id).read() |
| 75 | + print(f"User {user_id} has {len(u['posts'])} posts and is {u['age']} years old") |
| 76 | + |
| 77 | + t2 = time.monotonic() |
| 78 | + print(f"Time taken: {t2 - t1}s") |
| 79 | + |
| 80 | + |
| 81 | + |
| 82 | + |
| 83 | + |
| 84 | + |
| 85 | +# DDB.at("big_users").create(make_users(20_000), force_overwrite=True) # 2500MB |
| 86 | + |
| 87 | +# random_access_users() |
| 88 | +# write_specific_users() |
| 89 | +read_specific_users() |
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