EXT4 Has A Very Nice Performance Optimization For Linux 6.11
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Ted Ts’o sent out the EXT4 updates today for Linux 6.11. He explained in that pull request:

“Many cleanups and bug fixes in ext4, especially for the fast commit feature. Also some performance improvements; in particular, improving IOPS and throughput on fast devices running Async Direct I/O by up to 20% by optimizing jbd2_transaction_committed().”

  • AutoTL;DRBEnglish
    8•4 months ago

    This is the best summary I could come up with:

    With the maturity of the EXT4 file-system it’s not too often seeing any huge feature additions for this commonly used Linux file-system but there’s still the occasional wild performance optimization to uncover… With Linux 6.11 the EXT4 file-system can see upwards of a 20% performance boost in some scenarios.

    Ted Ts’o sent out the EXT4 updates today for Linux 6.11.

    He explained in that pull request: "Many cleanups and bug fixes in ext4, especially for the fast commit feature.

    Up to 20% faster for fast devices using async direct I/O thanks to JBD2 optimizations.

    Indeed the patch from Huawei’s Zhang Yi to speed up jbd2_transaction_committed() shows off some great improvements:

    It’s great continuing to see EXT4 uncover new performance optimizations.

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