Questions tagged [latency]
Latency is the time difference between the start of an event and the time that the effects become noticeable.
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Would a very long HDMI cable and very long USB extension cable affect latency and/or quality?
I am about to do my first PC build, and it's got some really great specs. My computer is upstairs, but I have a 4K TV downstairs and I'd like to game on this computer through that to really get the ...
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ffmpeg delay in appearing the image
I am using ffmpeg with 264nvenc to transcode streaming channels. the result is very good the channels look great and are very stable, the problem is that when you open the channel, the sound is heard ...
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Bluetooth mouse latency on linux
I bought a logitech MX anywhere 2S, and I'm using it on Debian 9.
when I started using it got a hight latency.
I resolved the problem using the following command:
su
echo 0 > /sys/kernel/debug/...
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Will a PC4-21300 module be compatible with a PC4-19200 module?
I have two PC4-19200 modules (4Gb each) in my laptop. Both modules are by Hynix (HMA851S6AFR6N-UH) and have a CAS latency of 17.
I want to buy a single Kingston module (KVR26S19D8/16, PC4-21300) but ...
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Latency due to a high GPU usage or throttling is possible?
I'm currently using a Ryzen 3700X and an Vega 64. My problem is related to audio and videos, which suttles and freezes.
I downloaded the LatencyMon, and they say that "Your system appears to be ...
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Mikrotik Hotspot Performance Degradation: So Slow Hotspot Unusable
FAULT:
Hotspot created with Mikrotik's "ip > Hotspot" wizard is so painfully slow that it is unusable
Googling "mikrotik hotspot slow" returned a gazillion results, none of which resolved this fault....
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Interleaving, and its effect on VDSL2 latency
(Re-posting from Network Engineering SE, turns out this was actually off-topic there.)
Having moved to a new house I hired with an ISP a broadband internet plan. The technician told me I live really ...
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Insanely high latency when full bandwidth is in use
When I use the full bandwidth my ISP is providing, I get insanely high latency in every website, more than 1000ms.
I did a test on 3 of my friends' internet connection, including mine. I took a ...
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Investigating ping latency
Usually in a LAN I get smth like :
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
with the occasional 10ms. But today on a friend's home I found 32ms consistently when pinging the router.
The ...
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Chrome Developer Tools - Network "Content Download" column
I've got a question about the Chrome Developer Tools - Network Tab - "Content Download" part in the waterfall column. What exactly does this mean? Is latency somehow relevant to this?
Retrieving ...
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Monitor performance/latency while copying file across Point 2 point circuit
This is my first post here, i did do a quick search couldn't find exactly what i was looking for.
I am copying a file from one server located in NW part of the country to another server located in ...
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Is memory latency still a key factor in computer speed?
A search on the real-world benefit of low latency RAM seems to yield very old testing done on equally old hardware. Is CAS latency essentially irrelevant now against other performance characteristics ...
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How to avoid Jitter on a LAN network?
I recently acquired fiber connection at home, but I faced an issue, every 10 minutes, the connection kinda stop and then restart. Which cause websites or any software that require internet connection ...
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Where does internet latency comes from?
Sorry if this was asked before. Couldn't find anything about it on SE.
So the distance from San Francisco to Australia is about 8,000 km.
This source indicates that the latency among the two ...
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Wifi Latency : modem or internet carrier?
I would like to know if problems I have in wifi depends on the internet provider or the wifi.
Mac OS 10.9.5.
Router D-Link.
Wi-Fi Frequency 2.4Ghz.
The internet providers says the signal is ...
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Latency of SSDs versus HDDs
We are currently using an HDD for our NetApp storage for our VMs. We're considering replacing them with SSDs, but many disk manufacturers have different performance. What range of latencies can we ...
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Run a tracert continually for period of time
I have a site where network speed and specific network related activities become very slow. I want to run a tracert from one of the PC's onsite to, say, a file server or print server located at our ...
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Why am I observing periodic latency "spikes" under Linux, when testing over Wi-Fi?
I'm experiencing a strange behaviour when trying to measure the latency between two computers, running Linux (Ubuntu 16.04 LTS), connected to Wi-Fi (5 GHz 802.11n) through a common access point.
This ...
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Network Issues and Slow Throughput
Background
I worked as a Customer Service Technician at a DSL Provider, when DSL was the "new technology," so I'm approaching the Problem below from that perspective.
Problem
Note: I've moved this ...
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How can I remove the latency from my USB QWERTY keyboard to play piano with it in real time?
I'd like to use my USB QWERTY keyboard to play piano with various MIDI apps and websites.
For anyone who has tried this, the problem is that keystrokes from the keyboard aren't send to the computer ...
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Regarding Two Devices creating latency on a single switch
I have scripts that run on bootup on two NAS's (let's say they're QNAPs) to create bonds and have different ips for different vlans.
ie- NAS 1 (all NICs bonded to 1 via TLB) set bond0 -> 0.0.0.0 or ...
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IPoIB with Netem (Latency emulation) Poor performance
I have to emulate a wide area network. My setup contains two servers with MT27500 Family [ConnectX-3] Infiniband cards. Default latency between both nodes is ~0.4ms and iperf test shows throughput of ...
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If you live far away from popular DNS servers, is it still recommended to use them? [closed]
My friend suggested that I should use one of popular DNS servers like Google. Since there are no nearby DNS servers from where I live, I thought I would do a DNS benchmark and to my surprise, ...
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Windows 10 - High DPC Latency And ISR Causes Audio Drop Outs And Lag
I've been facing audio stuttering, drop outs and performance lag on my Windows 10 laptop. The lag is sometimes so bad the Windows almost freezes. It lasts for around 5 - 10 seconds and then goes away ...
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Which RAM should I prefer (CL vs PC)? [closed]
I'm thinking to buy new RAM (for Lenovo 320 15AST, motherboard is LNVNB161216).
I had 4GB, I need 8GB.
My current RAM is m471a5143sb1 2133Mhz, CAS (CL) 17, PC19200.
I was looking at two with such ...
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High ping with Ubuntu 17.10 host
When pinging the computers in my WLAN all hosts (router, raspi, Debian Stretch desktop, ...) have low latencies of a few ms, except for one: my Ubuntu 17.10 desktop has latencies of 50 to several 100 ...
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TP-Link powerline adapter causing extreme latency on primary network? Wired devices on Fios router, not connected to powerline adapter, are affected
To preface, I am not a networking guy but work in IT. I'm going to bullet point the situation so it's easier to digest. Here is a little diagram I created in paint to give a visual aid.
I pay for ...
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Zero latency to 8.8.8.8
Tp-link wifi routers have built in system tools like ping and Traceroute.
Please see the outputs of ping and Traceroute commands from my Tp-link router. How can this be ? This happens only with 8.8.8....
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Ping to same address gives me different IP´s
When on windows 10 in cmd.exe a ping is made to cryptopia.co.nz, I get one of the following results:
Pinging cryptopia.co.nz [45.60.13.241] with 32 bytes of data:
Reply from 45.60.13.241: bytes=32 ...
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Fluctuating WiFi latency
I am trying to troubleshoot my unreliable WiFi, but I am lost. My wired connections work flawlessly, but my WiFi has massively fluctuating latencies. This occasionally knocks out my Chromecast.
Here ...
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How Do USB 3.0 Hubs And USB Extension Cables Effect Latency, If At All?
I currently have three peripherals (mouse, keyboard, Wacom tablet) all wired to an individual USB port on my computer. They also each have their own 6ft USB extension cable (passive) because the ...
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My WIFI connection has high ping periodically
My friends don't have this problem. I tried to change the router but it didn't work. My laptop is Predator 15 with Killer Wireless n/a/ac 1535 Wireless Network Adapter.
Here is the screenshot when ...
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Audio glitchy and stuttering when network is active few days after reboot
I´ve had this problem for a while now:
A few days after a reboot, the audio gets choppy whenever something is going on at the network, regardless of if the audio is streaming or locally stored. The ...
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ADSL latency/ping times
I am correct in believing that no fault on the actual DSL part of a broadband connection would affect latency? By 'DSL part' I am referring to the modem at the customer premises, the copper pair back ...
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Why does enabling WMM on a WiFi router cause increase in latency?
With only a single device connected to a WiFi router, enabling WMM (WiFi Multimedia) increases the latency by 80-90%. Overall throughput increases significantly, however.
Why does enabling WMM ...
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Modem and internet: fixing low connectivity and latency spikes?
So I got a tp-link TD-8817 adsl2+ modem at times the connection is intermittent. Right out of the box it does´t connect so to set it up following the quick connection wizard:
Pick the time zone
...
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How to optimize tcp stack for low latency when throuput is not a priority?
I have a wireless link with packet loss of up to 10%. It has to carry one rtp stream, nothing else. Datarate of the stream is <100kb/s so the lowest datarate offered (1 mbit/s) by wlan (802.11b) is ...
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One-Way Ping Jitter Test
Would a public website like I describe here have any value? Does something similar already exist?
Right now, I'm using tracert to debug a network problem in which there is a delay at times
between ...
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Traceroute RTT latency-jump before and not after transatlantic crossing?
so I did a traceroute from my home-box (situated in Europe) to an US-Server. Now I get a protocol that looks like this:
7 er1.ams1.nl.above.net (80.249.208.122) 30.536 ms 32.328 ms 32.315 ms
8 ...
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DPC Latency issues caused by storport.sys
I have been having an issue with DPC latency. I have spent hours trying to figure out how to fix it, but I have failed to find a solution.
To begin, I first noticed this issue after I cloned my ...
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Latency Ethernet (LAN)
I just bought a CAT6 Ethernet cable from Amazon for $20, The length of cable is 20m and I am receiving 2ms - 150ms to my gateway, It's very rare that it peaks to 150ms but I've never saw my LAN go ...
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How ping to google server can exceed light speed? [duplicate]
when i try ping google server takes only 30ms.
PING google.com (172.217.26.174) 56(84) bytes of data.
64 bytes from google.com (172.217.26.174): icmp_seq=1 ttl=56 time=31.2 ms
64 bytes from google....
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DPC latency issue
My Asus ROG laptop (i7-6700HQ, GTX960M, 8GB DDR4, 1TB Samsung 850Evo SATA SSD, Win10 64bit) has been painfully slow, sometimes at its worst even slightly moving the mouse takes 5 seconds. Playing ...
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How can I benchmark the bandwidth and latency of the connection between my PC and wireless router?
It seems like this should be easy in theory, especially the latency part. Just spam the router with packets and see how many get returned and how long they take. Is there any way to do this?
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Low latency video shared in local gigabit network using linux
For a robotics task we need to share the video (Webcam) live to about 6 or 7 users in the same room. OpenCV will be used on the clients to read the situation and send new tasks to the robots. Latency ...
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Why is DDR4 latency so much higher on AMD CPUs than on Intel CPUs? How is performance affected?
According to PassMark software, DDR4 memory latencies on AMD CPUs are more than 4 times higher than latencies on Intel CPUs. This has been confirmed on my Corsair Vengeance LED 2x16GB DDR4 PC4-24000 [...
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windows 10 latency - different results performance monitor vs latencymon
I tried to solve the latency issue myself by updating drivers etc. tried all the methods/varients of drivers using the easydriver update tool, but latency is still continuing.
I have used the ...
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What is causing audio crackling and popping ? (Toshiba Satellite laptop; High CPU)
I have Toshiba Satellite L-50 laptop which originally had Windows 8.1, after I upgraded it to Windows 10, all these audio problems started. I'm thinking it could be caused by the outdated drivers ...
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adding Virtual Disk for performance (decreased latency) in VM Environment
Given a fixed number of disk accessible in a VM Environment, would one expect any performance gains when adding additional Virtual Disk for the Guest OS?
We have an Oracle Database running on Windows ...
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High DPC latency Windows 10, unable to fix
Edit: I am still experiencing this issue. ndis.sys is causing issues and I have not been able to resolve it. I am at a loss of what to do. I have tried reinstalling windows AGAIN, reinstalling drivers ...