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  4. Drive "Rescan Speed" in Synchron Player

  • Drive "Rescan Speed" in Synchron Player

    J
    J

    I'm running a striped RAID configuration with a set of SSD's which contain my Synchron Libraries. I'm noticing that there is a large variance in test results when I run the "Rescan Speed" test in Settings>Database. The test results yield anywhere from 35MB/s to 150MB/s, which I find slightly odd. Is such a variance typical for an RAID/SSD or should I expect a more stable result? I'm running an 8192 preload size to avoid issues, which is fine, it just seems like I should be seeing a better result.

    Additionally (a more in-depth question), does anyone have any experience or insight into the ideal stripe size for a RAID configuration (volume dedicated to sample libraries)? Will a smaller or larger stripe size play a role in performance, or is this not something that matters? 
  • J
    J


    This is an old thread, but I just thought I'd follow up since the issue is solved. In my case, the slow "Rescan Speed" was caused by generally poor performance from an onboard Marvell SATA controller. I've done alot of testing on about 3 different motherboards, and found that I get much better performance with Intel SATA/RAID controllers. In many cases, I'm seeing better performance out of Intel SATA II controllers than Marvell SATA III controllers. So, the lesson here is to test your controller! They aren't all created equal and some of them are really poor performers that won't take advantage of your SSD. 

    In the Synchron Player, this was leading to samples being cut short during performance because the SATA controller wasn't able to keep up with the demand. The samples were stored on a Pro Series Samsung SSD, but it didn't matter because the controller was awful! 
  • PaulP
    VSL Team
    PaulP
    last edited
    last edited

    Hi Jason,

    Thanks for sharing. And yes, it's always a mix of the components... Professional system builders know all the tricks and also all the best combinations!

    Best,
    Paul

    Paul Kopf Product Manager VSL
  • R
    R
    last edited
    last edited

    Hi Jason,

    That's good to know, glad you shared that information as I am learning about computer builds having recently entered the world of building a PC as my VE Pro server computer.

    @Jason T. Shannon said:


    This is an old thread, but I just thought I'd follow up since the issue is solved. In my case, the slow "Rescan Speed" was caused by generally poor performance from an onboard Marvell SATA controller. I've done alot of testing on about 3 different motherboards, and found that I get much better performance with Intel SATA/RAID controllers. In many cases, I'm seeing better performance out of Intel SATA II controllers than Marvell SATA III controllers. So, the lesson here is to test your controller! They aren't all created equal and some of them are really poor performers that won't take advantage of your SSD. 

    In the Synchron Player, this was leading to samples being cut short during performance because the SATA controller wasn't able to keep up with the demand. The samples were stored on a Pro Series Samsung SSD, but it didn't matter because the controller was awful!