[FLINK-29238] Wrong index information will be obtained after the downstream failover in hybrid full mode

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.16.0
• Fix Version/s: 1.16.0
• Component/s: Runtime / Network
• Labels: pull-request-available
• Assignee: Weijie Guo
• Reporter: Weijie Guo
• Created: 09/Sep/22 02:42
• Updated: 13/Sep/22 09:03
• Resolved: 13/Sep/22 09:03

Description

Hybrid shuffle relies on the index to read the disk data. Since the spilled data may be consumed from memory, the readable status is introduced. For the readable buffer, FileDataManager does not pre-load it. However, when the downstream fails, the previous readable status will be used incorrectly, resulting in that some buffer cannot be read correctly.

Issue Links

• links to: GitHub Pull Request #20796