我正在从运行事件中心接收器实现:https://docs.microsoft.com/en-us/azure/event-hubs/event-hubs-python-get-started-send#create-a-python-script-to-receive-events,除了连接字符串等,我没有做任何更改
创建数百个事件后,我可以看到接收方在存储帐户内创建了检查点文件夹,但当我再次运行接收方时,我看到它处理相同的事件
每个分区创建的文件也是空的
存储在consumerClient中提供:
checkpoint_store = BlobCheckpointStore.from_connection_string("...", "eventhubcontainer")
client = EventHubConsumerClient.from_connection_string("...", consumer_group="$Default", eventhub_name="eventhub1", checkpoint_store=checkpoint_store)
读取事件后,还有一种保存检查点的方法:
await partition_context.update_checkpoint(event)
我是不是遗漏了什么
整个代码:
import asyncio
from azure.eventhub.aio import EventHubConsumerClient
from azure.eventhub.extensions.checkpointstoreblobaio import BlobCheckpointStore
async def on_event(partition_context, event):
print("Received the event: \"{}\" from the partition with ID: \"{}\"".format(event.body_as_str(encoding='UTF-8'), partition_context.partition_id))
await partition_context.update_checkpoint(event)
async def main():
checkpoint_store = BlobCheckpointStore.from_connection_string("AZURE STORAGE CONNECTION STRING", "BLOB CONTAINER NAME")
client = EventHubConsumerClient.from_connection_string("EVENT HUBS NAMESPACE CONNECTION STRING", consumer_group="$Default", eventhub_name="EVENT HUB NAME", checkpoint_store=checkpoint_store)
async with client:
await client.receive(on_event=on_event, starting_position="-1")
if __name__ == '__main__':
loop = asyncio.get_event_loop()
loop.run_until_complete(main())
更新SDK解决了这个问题。@AdamLing还为我澄清了评论中的元数据位置
这可能是旧sdk中的错误
请尝试安装最新版本的sdk:azure-eventhub 5.3.1和azure-eventhub-checkpointstoreblob-aio 1.1.3
我用这些最新的sdk测试了你的代码,效果很好
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