How does Flume handle data transfer failures?
In the data transfer process of Flume, if a failure occurs, Flume will respond accordingly based on the strategies defined in the configuration. Here are some common failure handling strategies in Flume.
- Backup storage: If Flume encounters a failure when sending data to the target storage, the data can be backed up to another storage to ensure that the data is not lost.
- Retry mechanism: When Flume fails to send data, it will attempt to resend the data according to the defined retry times and intervals in the configuration until it is successfully sent.
- Error logging: Flume is capable of recording data that fails to send to an error log for further analysis and handling.
- Discard data: In some cases, if the failed data won’t greatly impact the business, you can choose to discard this data to ensure the stability of the overall system.
In general, Flume offers a variety of fault handling strategies for users to choose from based on their specific business needs and scenarios in order to ensure reliable and stable data transfer.
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