并行获取Redis键值对的解决方法可以使用多线程或者协程来实现。下面是使用Python的多线程和协程两种方式的代码示例:
import redis
import threading
def get_key_value(key):
r = redis.Redis(host='localhost', port=6379)
value = r.get(key)
print(f"{key}: {value}")
def parallel_get_keys(keys):
threads = []
for key in keys:
t = threading.Thread(target=get_key_value, args=(key,))
t.start()
threads.append(t)
for t in threads:
t.join()
# 示例使用
keys = ['key1', 'key2', 'key3']
parallel_get_keys(keys)
import asyncio
import aioredis
async def get_key_value(key):
redis = await aioredis.create_redis('redis://localhost')
value = await redis.get(key)
print(f"{key}: {value}")
redis.close()
await redis.wait_closed()
async def parallel_get_keys(keys):
tasks = []
for key in keys:
task = asyncio.create_task(get_key_value(key))
tasks.append(task)
await asyncio.gather(*tasks)
# 示例使用
keys = ['key1', 'key2', 'key3']
asyncio.run(parallel_get_keys(keys))
需要注意的是,在这两种方法中,我们创建了多个连接到Redis的实例,以便并行获取键值对。
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