[FLINK-9675] Avoid FileInputStream/FileOutputStream

• Type: Improvement
• Status: Reopened
• Priority: Not a Priority
• Resolution: Unresolved
• Affects Version/s: 1.4.1, 1.4.2, 1.5.1
• Component/s: FileSystems
• Labels: filesystem pull-request-available stale-assigned
• Assignee: zhangminglei
• Reporter: Ted Yu
• Created: 27/Jun/18 09:41
• Updated: 28/Aug/21 22:37

Description

They rely on finalizers (before Java 11), which create unnecessary GC load.

The alternatives, Files.newInputStream, are as easy to use and don't have this issue.

And here is a benchmark https://arnaudroger.github.io/blog/2017/03/20/faster-reader-inpustream-in-java.html

Issue Links

• links to: GitHub Pull Request #6335

Sub-Tasks

• Refactor InputStreamReader to Channels.newReader: Open