[HDDS-6437] EC: Avoid allocating buffers in EC Reconstruction Streams until first read

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: EC-Branch
• Labels: pull-request-available
• Assignee: Stephen O'Donnell
• Reporter: Stephen O'Donnell
• Created: 10/Mar/22 16:57
• Updated: 14/Mar/22 19:43
• Resolved: 14/Mar/22 19:43

Description

Due to the issue described in HDDS-6424, where KeyInputStream opens all its inputStreams for the entire key upfront, we should avoid allocating buffers in the EC Reconstruction InputStreams until they are actually needed (ie on first read).

Issue Links

• links to: GitHub Pull Request #3181