Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8193832

Performance of InputStream.readAllBytes() could be improved

    XMLWordPrintable

Details

    • Bug
    • Resolution: Fixed
    • P4
    • 11
    • 9, 10
    • core-libs
    • b01
    • Verified

    Backports

      Description

        InputStream.readAllBytes() currently uses intermediate buffers of geometrically increasing size with a copy into each intermediate buffer at each stage. It is possible to improve the memory usage and performance using an alternate algorithm of storing a list of fixed size buffers and gathering those into a single buffer at the end.

        Attachments

          Issue Links

            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8237172 Performance of InputStream.readAllBytes() could be improved

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8239202 Performance of InputStream.readAllBytes() could be improved

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8239998 Performance of InputStream.readAllBytes() could be improved

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved
            relates to

            Enhancement - null JDK-8080835 Add blocking bulk read operations to java.io.InputStream

            • P3 - Major loss of function.
            • Closed

            Enhancement - null JDK-8264777 Overload optimized FileInputStream::readAllBytes

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Closed
            links to

            Web Link core-libs-dev review, Dec. 2017

            Activity

              People

                bpb Brian Burkhalter
                bpb Brian Burkhalter
                Votes:
                0 Vote for this issue
                Watchers:
                3 Start watching this issue

                Dates

                  Created:
                  Updated:
                  Resolved: