Symfony Profiler

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          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
          """
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        I’m currently watching the progress of a 4tB rsync file transfer, and i’m curious why the speeds are less than the theoretical read/write maximum speeds of the drives involved with the transfer. I know there’s a lot that can effect transfer speeds, so I guess i’m not asking why my transfer itself isn’t going faster. I’m more just curious what the bottlenecks could be typically?\n
        \n
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        \n
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        \n
        What would be the likely bottlenecks? Could the motherboard/processor likely limit the speed? The available memory? Or the file structure of the files themselves (whether they are fragmented on the volumes or not)?
        """
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]

App\Twig\Components\EntryCommentComponent {#3257
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        +name: "linux@lemmy.ml"
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          From Wikipedia, the free encyclopedia\n
          \n
          Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
          \n
          Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
          \n
          ### Rules\n
          \n
          - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
          - No misinformation\n
          - No NSFW content\n
          - No hate speech, bigotry, etc\n
          \n
          ### Related Communities\n
          \n
          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
          """
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      +slug: "Linux-file-transfer-speed-bottlenecks"
      +title: "Linux file transfer speed bottlenecks?"
      +url: null
      +body: """
        I’m currently watching the progress of a 4tB rsync file transfer, and i’m curious why the speeds are less than the theoretical read/write maximum speeds of the drives involved with the transfer. I know there’s a lot that can effect transfer speeds, so I guess i’m not asking why my transfer itself isn’t going faster. I’m more just curious what the bottlenecks could be typically?\n
        \n
        Assuming a file transfer between 2 physical drives, and:\n
        \n
        - Both drives are internal SATA III drives with 5.0GB/s 5.0Gb/s read/write 210Mb/s (this was the mistake: I was reading the sata III protocol speed as the disk speed)\n
        - files are being transferred using a simple rsync command\n
        - there are no other processes running\n
        \n
        What would be the likely bottlenecks? Could the motherboard/processor likely limit the speed? The available memory? Or the file structure of the files themselves (whether they are fragmented on the volumes or not)?
        """
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App\Twig\Components\DateComponent {#3565
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App\Twig\Components\DateEditedComponent {#3629
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      \n
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}

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  "width" => 40
  "height" => 40
  "asLink" => true
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App\Twig\Components\UserAvatarComponent {#3757
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          From Wikipedia, the free encyclopedia\n
          \n
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          \n
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          \n
          ### Rules\n
          \n
          - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
          - No misinformation\n
          - No NSFW content\n
          - No hate speech, bigotry, etc\n
          \n
          ### Related Communities\n
          \n
          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
          """
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      +image: null
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      +slug: "Linux-file-transfer-speed-bottlenecks"
      +title: "Linux file transfer speed bottlenecks?"
      +url: null
      +body: """
        I’m currently watching the progress of a 4tB rsync file transfer, and i’m curious why the speeds are less than the theoretical read/write maximum speeds of the drives involved with the transfer. I know there’s a lot that can effect transfer speeds, so I guess i’m not asking why my transfer itself isn’t going faster. I’m more just curious what the bottlenecks could be typically?\n
        \n
        Assuming a file transfer between 2 physical drives, and:\n
        \n
        - Both drives are internal SATA III drives with 5.0GB/s 5.0Gb/s read/write 210Mb/s (this was the mistake: I was reading the sata III protocol speed as the disk speed)\n
        - files are being transferred using a simple rsync command\n
        - there are no other processes running\n
        \n
        What would be the likely bottlenecks? Could the motherboard/processor likely limit the speed? The available memory? Or the file structure of the files themselves (whether they are fragmented on the volumes or not)?
        """
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      +__isInitialized__: true
       …2
    }
    +magazine: App\Entity\Magazine {#306}
    +image: null
    +parent: null
    +root: null
    +body: "What is controlling the SATA drivers? A lot of times the stuff that comes on motherboards isn’t the greatest and getting a dedicated storage controller allows you to saturate the drive much more thoroughly. Specially if they have big caches."
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    +ip: null
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      "@archomrade@midwest.social"
    ]
    +children: Doctrine\ORM\PersistentCollection {#1474 …}
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]

App\Twig\Components\VoteComponent {#3851
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      +email: "aniki@lemm.ee"
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      +notifyOnNewPostReply: false
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      +addMentionsEntries: false
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          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
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          - No hate speech, bigotry, etc\n
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          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
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        - files are being transferred using a simple rsync command\n
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        """
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          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
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          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
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          - No misinformation\n
          - No NSFW content\n
          - No hate speech, bigotry, etc\n
          \n
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          \n
          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
          """
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        \n
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        \n
        - Both drives are internal SATA III drives with 5.0GB/s 5.0Gb/s read/write 210Mb/s (this was the mistake: I was reading the sata III protocol speed as the disk speed)\n
        - files are being transferred using a simple rsync command\n
        - there are no other processes running\n
        \n
        What would be the likely bottlenecks? Could the motherboard/processor likely limit the speed? The available memory? Or the file structure of the files themselves (whether they are fragmented on the volumes or not)?
        """
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]

App\Twig\Components\EntryCommentsNestedComponent {#4220
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        +name: "linux@lemmy.ml"
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          From Wikipedia, the free encyclopedia\n
          \n
          Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
          \n
          Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
          \n
          ### Rules\n
          \n
          - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
          - No misinformation\n
          - No NSFW content\n
          - No hate speech, bigotry, etc\n
          \n
          ### Related Communities\n
          \n
          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
          """
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      +image: null
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      +slug: "Linux-file-transfer-speed-bottlenecks"
      +title: "Linux file transfer speed bottlenecks?"
      +url: null
      +body: """
        I’m currently watching the progress of a 4tB rsync file transfer, and i’m curious why the speeds are less than the theoretical read/write maximum speeds of the drives involved with the transfer. I know there’s a lot that can effect transfer speeds, so I guess i’m not asking why my transfer itself isn’t going faster. I’m more just curious what the bottlenecks could be typically?\n
        \n
        Assuming a file transfer between 2 physical drives, and:\n
        \n
        - Both drives are internal SATA III drives with 5.0GB/s 5.0Gb/s read/write 210Mb/s (this was the mistake: I was reading the sata III protocol speed as the disk speed)\n
        - files are being transferred using a simple rsync command\n
        - there are no other processes running\n
        \n
        What would be the likely bottlenecks? Could the motherboard/processor likely limit the speed? The available memory? Or the file structure of the files themselves (whether they are fragmented on the volumes or not)?
        """
      +type: "article"
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      +ip: null
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      +__isInitialized__: true
       …2
    }
    +magazine: App\Entity\Magazine {#306}
    +image: null
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    +body: "What is controlling the SATA drivers? A lot of times the stuff that comes on motherboards isn’t the greatest and getting a dedicated storage controller allows you to saturate the drive much more thoroughly. Specially if they have big caches."
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  }
  +nestedComments: []
  +level: 1
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  -entryCommentRepository: App\Repository\EntryCommentRepository {#556 …}
  -twig: Twig\Environment {#1252 …}
  -security: Symfony\Bundle\SecurityBundle\Security {#1101 …}
  -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …}
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}