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Network Flattened

J

Joe

Well-known member
Yesterday, I decided to purchase an HDR movie. After making the purchase I went about the rest of my day working online. At some point later in the day, I noticed I couldn't hit any websites. I experienced complete internet inaccessibility. After starting to troubleshoot the issue, the issue magically resolved itself, so I wrote it off as a fluke.

Today I decided to purchase Black Widow. Maybe 20-30 minutes after making the purchase, then same thing happened. This time it went on for over a half hour. I logged into my router (a Ubiquiti Edge Router Lite) and saw it's CPU was solid at 100% utilization. After viewing the traffic analysis, I found out the culprit was my paired Premier Kaleidescape 1U+ servers. According to the router the server(s) were sending and receiving enough data to completely overwhelm the router's CPU. I powered the servers down from the front panel yet the problem persisted. After unplugging the servers, the problem vanished. The servers remain powered down.

I've had KScapes for a long, long time and have never seen anything like this before. It seems, at least tangentially, to be related to the downloads. My Terra Server is still powered on.

Have any of you experienced anything like this? Any ideas what could be the issue?

Thanks,
Joe
 
Maybe try dialing down the maximum download speed from the 'Click here to set the maximum download speed.' link on the main page:
1628642763342.png
You can set the download speed from the download page in the store as well.
 
You can also “Pause” a download to verify that it is the download tying up the bandwidth. On my 1U+ I get download speeds of ~150Mbps. When I had 500Mbps ISP service I would have problems with the downloads to the Terra server. Now that I have 1Gbps it is no longer an issue.

John
 
Not sure about your brand of router but the better ones can do QoS (quality-of-service) / traffic-shaping.
 
AlienWarlock said:
Maybe try dialing down the maximum download speed from the 'Click here to set the maximum download speed.' link on the main page:
View attachment 2175
You can set the download speed from the download page in the store as well.
Click to expand...
I had to do this as well as my ISP maxes out at 100 Mbps, sadly. You can also create a schedule, mine downloads between 1AM and 7AM, though at my speeds that means I only get about 2 BD downloaded a night to my 3u server. Odd though that you are just now experiencing this.
 
Joe said:
Yesterday, I decided to purchase an HDR movie. After making the purchase I went about the rest of my day working online. At some point later in the day, I noticed I couldn't hit any websites. I experienced complete internet inaccessibility. After starting to troubleshoot the issue, the issue magically resolved itself, so I wrote it off as a fluke.

Today I decided to purchase Black Widow. Maybe 20-30 minutes after making the purchase, then same thing happened. This time it went on for over a half hour. I logged into my router (a Ubiquiti Edge Router Lite) and saw it's CPU was solid at 100% utilization. After viewing the traffic analysis, I found out the culprit was my paired Premier Kaleidescape 1U+ servers. According to the router the server(s) were sending and receiving enough data to completely overwhelm the router's CPU. I powered the servers down from the front panel yet the problem persisted. After unplugging the servers, the problem vanished. The servers remain powered down.

I've had KScapes for a long, long time and have never seen anything like this before. It seems, at least tangentially, to be related to the downloads. My Terra Server is still powered on.

Have any of you experienced anything like this? Any ideas what could be the issue?

Thanks,
Joe
Click to expand...
I re-read this post and realized I had missed the part about downloading HDR. If you are downloading a 4K movie you should not see a lot of activity on your 1U+. Unless I am missing something, there is something abnormal going on and you should contact K support. They should be able to check the logs and see what is going on.

John
 
Last edited:
Setting the max download speed/schedule should clear-up that problem. However, if you haven't already, you should also go into the CLI and enable hardware offloading for everything that isn't nailed down.
 
Transepoch said:
Setting the max download speed/schedule should clear-up that problem. However, if you haven't already, you should also go into the CLI and enable hardware offloading for everything that isn't nailed down.
Click to expand...
What does that mean "go into the CLI and enable hardware offloading for everything that isn't nailed down."?

Starting on January 12th, my download speeds (for HDR movies) has gone from 10 to 15 minutes per movie to 35 minutes to 55 minutes per download. I have terabit internet service. Is there something going on in the K store or do I need to contact my ISP provider?
 
You will need to get into the command line interface (either through the GUI or by telnet) and enable hardware offloading. There is an article at https://help.ui.com/hc/en-us/articles/115006567467-EdgeRouter-Hardware-Offloading for all the commands needed (looks like you will follow the Cavium route.)

I will say, from my experience, that if you are really using it as a router, you likely still won't hit the max 1G throughput. That's why I eventually swapped my ERPoe for something with more muscle to it.
 
AlienWarlock said:
Maybe try dialing down the maximum download speed from the 'Click here to set the maximum download speed.' link on the main page:
View attachment 2175
You can set the download speed from the download page in the store as well.
Click to expand...
Separate subject but what’s the point of 300mbps here? My 3U server barely hits 150mbps on my gigabit internet.
 
audioguy123 said:
What does that mean "go into the CLI and enable hardware offloading for everything that isn't nailed down."?

Starting on January 12th, my download speeds (for HDR movies) has gone from 10 to 15 minutes per movie to 35 minutes to 55 minutes per download. I have terabit internet service. Is there something going on in the K store or do I need to contact my ISP provider?
Click to expand...

Have you checked with K support? I had a 3U Premier server that was getting slow download speeds and checked with K support and they were able to check my system and pinpoint a particular drive that was getting a lot of errors that was slowing things down. I replaced the drive and am now back to normal.

Not saying that this particular issue is what you are seeing but that K support may be able to point you in the right direction.

John
 
Just ran a series of wired internet speed tests (Fast.com & M-Lab). All ranged from 800 to a tad over 1 gigabit, so my internet connection is clearly NOT the issue. That only leaves the K servers (or a problematic issue in my 12TB Server) - or that I just picked the wrong time of day for the last 5 or 6 downloads!!. If these much slower download times were randomly placed amongst all of the others, I would not be looking for a solution. But these all started about 1 month ago.

I will contact K support!
 
audioguy123 said:
Just ran a series of wired internet speed tests (Fast.com & M-Lab). All ranged from 800 to a tad over 1 gigabit, so my internet connection is clearly NOT the issue. That only leaves the K servers (or a problematic issue in my 12TB Server) - or that I just picked the wrong time of day for the last 5 or 6 downloads!!. If these much slower download times were randomly placed amongst all of the others, I would not be looking for a solution. But these all started about 1 month ago.

I will contact K support!
Click to expand...
It could be a recent config or physical change that precipitated this decrease. It is at least worth pondering.

I am not saying that this is causing your issue, but I had gone so far as to contact Spectrum to site-visit troubleshoot my internet connection because Ookla Speed tests on my ATV4K suddenly were much slower. About an hour before they were scheduled to arrive, I was looking at the ethernet cables coming out of my switch and realized that I had switched cables as a result of rearranging my devices.

After returning one of my known to be faster cables to the ATV4K, the speed test app immediately showed a return to normal (for me) speeds. Of course, I subsequently ordered and relaced the assorted cables so as to avoid any chance of this going forward.
 
I ran the speed tests into the same ethernet switch into which my K equipment is connected. I have removed the ethernet cables from the K equipment and re-inserted them, but now need to buy another movie and see what kind of speed I get.
 
audioguy123 said:
I ran the speed tests into the same ethernet switch into which my K equipment is connected. I have removed the ethernet cables from the K equipment and re-inserted them, but now need to buy another movie and see what kind of speed I get.
Click to expand...
You can always delete a movie and redownload it.
 
I'm in a similar boat. Gigabit connection, occasional downloads will be in the 150-250 range and I get a message that "Download has been throttled due to user activity." - But nothing going on in my network and speedtest says I'm getting 800+. Fortunately it's not happened when we've had a group waiting to see a movie.

...of course that's the Terra, which even at 200 is screaming compared to the Alto that seems to average about 80.
 
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