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  1. Lustre
  2. LU-14438

backport ldiskfs mballoc patches

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    • Improvement
    • Resolution: Unresolved
    • Minor
    • None
    • None
    • 9223372036854775807

    Description

      There is an upstream patch series that is adding improved mballoc handling for efficiently finding suitable allocation groups in a filesystem. In particular, patch
      https://patchwork.ozlabs.org/project/linux-ext4/patch/20210209202857.4185846-5-harshadshirwadkar@gmail.com/ "ext4: improve cr 0 / cr 1 group scanning" is the important part of the series.

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          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-8365 Fix mballoc stream allocator to better use free space at start of drive

          • Major - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. LU-15319 Weird mballoc behaviour

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved

          New Feature - A new feature of the product, which has yet to be developed. LU-17153 Random block allocation policy in ldiskfs

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

          Improvement - An improvement or enhancement to an existing feature or task. LU-16162 ldiskfs: use low disk tracks for block allocation on empty or moderately full filesystems.

          • Major - Major loss of function.
          • Open

          Improvement - An improvement or enhancement to an existing feature or task. LU-16750 optimize ldiskfs internal metadata allocation for hybrid storage LUNs

          • Major - Major loss of function.
          • Open

          Improvement - An improvement or enhancement to an existing feature or task. LU-12970 improve mballoc for huge filesystems

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

          Improvement - An improvement or enhancement to an existing feature or task. LU-16155 allow importing inode/block allocation maps to new ldisks filesystem

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

          Improvement - An improvement or enhancement to an existing feature or task. LU-14305 add persistent tuning for mb_c3_threshold

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

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              ablagodarenko Artem Blagodarenko
              adilger Andreas Dilger
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              Dates

                Created:
                Updated: