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Design a mechanism for applications like search engines to access the HDFS edit stream.
Implement a file change log
Use HDFS INotify to track HDFS data dependencies instead of polling
API to get changes to the File System at NN for a window of time
Provide hooks / callbacks to execute some code based on events happening in HDFS (file / directory creation, opening, closing, etc)
Add INotifyDStream to Spark Streaming
Support for large-scale multi-tenant inotify service
Inotify : All events classes should implement toString() API.
HDFS inotify should have the ability to determine what txid it has read up to
Hadoop event notification system
Inotify : Support Event-based filtering
Include event for AddBlock in Inotify Event Stream