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Forum Discussion
Logitech Media Server / Squeezebox ReadyNAS NV+ v2 slowdown
Hello everyone,
I've been struggling with really low read speeds and been upgrading packages manually, tuning Samba, doing OS resets etc etc. Then I finally got into the latest beta (T4 ShellShock) and decided to upgrade ReadyNAS Photos II, MiniDLNA (ReadyMedia, ReadyDLNA) and Logitech Media Server / Squeezebox. Ok, everything went fine and dandy but the read speeds were still ridiciously slow. I'm talking about getting barely 20MB/s via Windows 8.1 Explorer copy. I could write an essay of things I did try but no luck. Then I struck gold; I started to kill running processes I deemed safe to kill. I started with killing addons. Once I killed my Squeezebox processes my copy speeds went back to normal, a whopping 65MB/s. Also, before that I verified the hardware and cabling by using iperf. I got stable and good speeds. The network topology and hardware specs and iperf speeds are not that important because the main question is:
What on earth is Squeezebox doing so my ReadyNAS starts to crawl?
Please keep in mind that this problem has occurred on multiple OS versions, multiple Squeezebox versions. I mean I've just lived with the slow speeds for a like a year now before I decided it's time to get to the bottom of this. This is where my troubleshooting skills run out. I did try running strace on the pids of Squeezebox but that's about it.
Can anyone help me with troubleshooting this? Has anyone ran into the same problem? What other tools are there to be tried? I saw the IO wait times rising immediately when firing up Squeezebox processes and copying. The wait times can rise up to 50% which are very high. I used to 'top -d1' to monitor them. 'iotop' won't run due to kernel configuration (ahoy NetGear, please create a DKMS module of X-Raid or upgrade the kernel if you don't want to release the proprietary sources).
I've disabled all the possible plugins in Squeezebox, deleted the cache, rebuilt the library and pointed only 1 directory to monitor to. I can repeat this slowdown even during middle of reading from the NAS. I start to copy a file, turn on Squeezebox and immediately the speed goes down and once I stop the Squeezebox, the speeds go up. No data corruption has been observed.
Any help and ideas are very much appreciated!
BR,
-katatonik
EDIT: fixed typos
I've been struggling with really low read speeds and been upgrading packages manually, tuning Samba, doing OS resets etc etc. Then I finally got into the latest beta (T4 ShellShock) and decided to upgrade ReadyNAS Photos II, MiniDLNA (ReadyMedia, ReadyDLNA) and Logitech Media Server / Squeezebox. Ok, everything went fine and dandy but the read speeds were still ridiciously slow. I'm talking about getting barely 20MB/s via Windows 8.1 Explorer copy. I could write an essay of things I did try but no luck. Then I struck gold; I started to kill running processes I deemed safe to kill. I started with killing addons. Once I killed my Squeezebox processes my copy speeds went back to normal, a whopping 65MB/s. Also, before that I verified the hardware and cabling by using iperf. I got stable and good speeds. The network topology and hardware specs and iperf speeds are not that important because the main question is:
What on earth is Squeezebox doing so my ReadyNAS starts to crawl?
Please keep in mind that this problem has occurred on multiple OS versions, multiple Squeezebox versions. I mean I've just lived with the slow speeds for a like a year now before I decided it's time to get to the bottom of this. This is where my troubleshooting skills run out. I did try running strace on the pids of Squeezebox but that's about it.
Can anyone help me with troubleshooting this? Has anyone ran into the same problem? What other tools are there to be tried? I saw the IO wait times rising immediately when firing up Squeezebox processes and copying. The wait times can rise up to 50% which are very high. I used to 'top -d1' to monitor them. 'iotop' won't run due to kernel configuration (ahoy NetGear, please create a DKMS module of X-Raid or upgrade the kernel if you don't want to release the proprietary sources).
I've disabled all the possible plugins in Squeezebox, deleted the cache, rebuilt the library and pointed only 1 directory to monitor to. I can repeat this slowdown even during middle of reading from the NAS. I start to copy a file, turn on Squeezebox and immediately the speed goes down and once I stop the Squeezebox, the speeds go up. No data corruption has been observed.
Any help and ideas are very much appreciated!
BR,
-katatonik
EDIT: fixed typos
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