flume begin called when transaction is open
时间: 2024-05-23 19:16:23 浏览: 21
When a transaction is open in Flume, the `begin` method is called to mark the start of the transaction. This method is typically called before any events are processed in the transaction. The purpose of marking the start of the transaction is to ensure that all events processed within the transaction are treated as a single group, and any failures or errors during processing can be handled in a consistent manner.
For example, in a Flume agent, `begin` method is called when a new batch of events is received from the source. The events are then processed within the transaction, and if any errors occur during processing, the entire batch can be rolled back and processed again.
In summary, the `begin` method is important in Flume transactions as it marks the start of the transaction and ensures that all events processed within the transaction are treated as a single group.
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