Stefan Richter created FLINK-6776:
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Summary: Use skip instead of seek for small forward repositioning
in DFS streams
Key: FLINK-6776
URL: https://issues.apache.org/jira/browse/FLINK-6776
Project: Flink
Issue Type: Improvement
Components: State Backends, Checkpointing
Reporter: Stefan Richter
Assignee: Stefan Richter
Reading checkpoint meta data and finding key-groups in restores sometimes
require to seek in input streams. Currently, we always use a seek, even for
small position changes. As small true seeks are far more expensive than small
reads/skips, we should just skip over small gaps instead of performing the seek.
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