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  1. Lustre
  2. LU-12103

Improve block allocation for large partitions

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Details

    • Improvement
    • Resolution: Fixed
    • Critical
    • Lustre 2.13.0, Lustre 2.12.4
    • None
    • None
    • 9223372036854775807

    Description

      Block allocator uses some heuristic while chooseing group to allocate new blocks. This works good in most cases, but take a time for large low-free-space partition. The algorithm should be adjusted for this special case.

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          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-12335 mb_prealloc_table table read/write code is racy

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

          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-12988 improve mount time on huge ldiskfs filesystem

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

          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
          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-12345 backport - ext4: optimize ext4_find_delalloc_range() in nodelalloc mode

          • Major - Major loss of function.
          • Resolved

          Improvement - An improvement or enhancement to an existing feature or task. LU-12801 Port "ldiskfs: don't search large block range if disk full" to RHEL 8

          • Major - Major loss of function.
          • Resolved

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              artem_blagodarenko Artem Blagodarenko (Inactive)
              artem_blagodarenko Artem Blagodarenko (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: