Questions tagged [slow-connection]

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15 views

Crazy remote VPN server slowness until 9AM EDT then fine

(I posted this on stack overflow and was told that's the wrong forum for this. If ServerFault is also the wrong forum, please suggest another sister stack exchange.) I'm out of ideas. A Synology file ...
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21 views

Nginx Reverse Proxy Slows Down Website

I'm new to working with nginx but I set up a reverse proxy on a new server that I have and it is definitely slowing down my website and how fast videos and images load. Maybe somebody here will know ...
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2answers
160 views

Slow network speed on ESXi hosts

I have been dealing with this problem for about half a year (had the luxury of time) and hadn't managed to crack it, so I finally resigned and came over here to ask for help from others not just ...
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1answer
20 views

Slow domain user logon after promotion of ADC to DC

I had DC and ADC server of Windows 2016 R2 in a domain environment. The DC crashed and I promoted ADC to DC and shifted all five FSMO roles to new DC. After the crashed DC was removed from the ...
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17 views

Moving files to a mapped drive is far slower than direct network share

There is one Windows 10 Pro (1909) Client in our company network that is experiencing an odd behavior. Moving files to a mapped drive brings up to 40Mbs and is therefor much slower in comparison to ...
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1answer
33 views

Website suddenly loads VERY slow with SSL

I am using WordPress. I've been using the free SSL from Hostgator from Let's encrypt. A few days ago my website started to load very very slow which results in a significant decrease in website ...
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26 views

Amazon Lightsail wordpress slows down till unresponsive

Wordpress site slows down so much it sometimes its unresponsive. Stopping and restarting the instance is a temporary fix. cpu usage is max around 45%. I have tried disabling and reactivating plugins ...
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1answer
64 views

Internet connection slow in linux [closed]

I have a problem with my new internet connection. This is a symmetric 500Mbs connection but i only get 50M in my linux computer. In windows I get 500Mb for up and down with other computer. I know ...
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1answer
56 views

how to check the IOPS when I have multiple disks attached to an Azure VM

I have considered Azure Standard_E16s_V3 vm and attached two premium disks (p30 , 1024 GB & 5000 IOPS). How can I calculate the average IOPS considering both disks. This is to check the possible ...
1
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1answer
144 views

FreeNAS + LAGG Slow Transfer?

I built a new file server that should be way overbuilt for its purpose. It has 2 Intel(R) Xeon(R) CPU E5-2660 v3, with 128GB of ram and it is running LCAP through an Intel X540T2 network card to a ...
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0answers
32 views

Prioritize slowest connections? (tc filter, iptables mark)

How could one prioritize the slowest network connections egress traffic in Linux? If one knew avg egress speed of each ip:port connection for at least the last 1 minute, it might be possible to tc ...
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1answer
170 views

Node JS on Windows : Becomes slow when OS update is processing

I currently have a 4-core windows server. On this server, I installed a nodejs Server (API rest). It works perfectly without latency. However when I start a windows update for the server, nodejs ...
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9 views

Network problems on Google compute instances

I've got 2 vm's which appear to have n/w issues. A ping will return good results but takes a long time to execute if that makes sense! Traceroute the same. Access into the servers/websites seems ...
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0answers
30 views

NFS mount subsequent reads slower than after mounting

Let me explain the scenario first. I know it may sound ridiculous to have this setup, but once I explain what I'm seen if someone who knows more can explain why it is occurring, I would really ...
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1answer
286 views

CentOS 7 SMB Client Slows Down Over Time

I have a CentOS 7 VM running on VMware that is used for archiving data from various servers, the destination is a FreeNAS MiniXL. Some of this is done over ssh, but others are sent using SMB. In ...
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1answer
2k views

How to Bond Two (Multiple) Internet Connections for Increased Speed and Failover

We are located in a rural area with two slow ADSL connections (3.5/0.5 Mbps) and wanted to improve connection speed and reliability by somehow "combining" them. The following describes our solution ...
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0answers
700 views

Fedora 30: extreme inconsistency on connection speed

I upgraded from Fedora 29 to 30. I'm facing a very annoying network issue on Fedora 30: extreme inconsistency on connection speed! My internet connection is relatively fast: I can download files ...
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0answers
415 views

Ubuntu 16.04 VPS dropping massive amount of RX Packets

Having networking issues with a Ubuntu 16.04 VPS, causing extremely slow speeds (we're talking about 100kbps). Running ifconfig is showing over a million dropped RX packets from eth0 (no errors) and I ...
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1answer
39 views

Why does Amazon recommends reading 'all data' as soon as possible during S3 download?

While reading up official documentation on Amazon S3 Java SDK, I found an interesting note: Your network connection remains open until you read all of the data or close the input stream. We ...
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1answer
327 views

How can I determine why db access appears to be slow with one db server but not another using the same site?

We have a setup with two web servers and one DB server in both the UK and Australia. These servers are with Rackspace and the webservers connect to the db servers via private IP in both circumstances....
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0answers
210 views

Server too slow due to DNS resolution issue

I have installed LAMP on Ubuntu 14.04.5 LTS on Digital Ocean Server. The issue I am facing from last two weeks is: The site becomes too slow(or say does not load for 5 minutes) at irregular intervals....
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1answer
335 views

Set of errors when running a docker container

I have been asked to make a couple tweaks to a legacy PHP project that runs inside a docker container. In order to make those tweaks, I am trying to get a local working copy of the app and associated ...
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1answer
36 views

Slow SQL Queries over local net

Slow Queries for SQL over 1Gb link between servers using just SSMS Server Configs: Main SQL Node: 32GB Ram 16 cores Sage Evolution Server: 16 cores 16GB ram The config of the servers is that they ...
2
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1answer
24 views

Is there a way to measure clients connection speed?

Suppose you run a website and you are getting reports from your customers in a particular office that your website has suddenly become very slow. But it's perfectly fast everywhere you test it from, ...
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1answer
790 views

Linux servers sometimes doesn't answer TCP connections or very delayed

I have Linux server (Ubuntu 16.04) where every serverce seems to be fine, except that it sometimes answers TCP connection very slowly (eg. 10 -20 sec) or not at all. The server is not under load and ...
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0answers
934 views

Samba low performance

I have a small professional network to manage: 1 server and 2 clients under Windows 7 pro. On the 2 clients is installed a software that fetch datas from a proprietary database on the server through ...
2
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0answers
787 views

Slow windows DNS server

I have a microsoft DNS server for a local domain, running Windows server 2016STD. This computer is also a domain controller. It's configured to forward to fast public DNS servers. From any computer ...
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1answer
2k views

TTFB taking 2 mins on some pages

We have a server that has recently gotten into an issue where the TTFB (Time To First Byte) takes 2.0 minutes to pass on some subpages of a website. Some other websites, hosted on the same server, ...
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1answer
214 views

Slow mail server in looking up host name [closed]

Hello my mail server is very slow to accept SMTP connections. I found a tutorial to make a stop in my Exim4 and run the command below to see where it takes. exim -bd -d -oX 587 Follow the exit, ...
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2answers
133 views

Server is currently under massive DDoS

Over the past few days, been having a number of problems that I can only describe as a massive DDoS attack one a CENTOS VPS server that is only hosting one website. The website is really slow but not ...
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0answers
160 views

Web page loads slow from certain IP address

Good morning, We're having a bizarre issue: from certain IP address (specifically our main IP address), our web pages load pretty slow. It's only one IP address which we're having this incident. If ...
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1answer
118 views

What could be the reason for network issues in my case?

Please, just assume that the case below is how it is and I must solve it with what I have. Or at least understand what is wrong. Two identical computers connected between them with 10G cable. Both ...
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3answers
130 views

Slow network connection

I'm working in a small company, up to 30 Internet connected devices. Since a few weeks we observe that our Internet connection is much slower than earlier. Browsing pages, downloading files is ~50-300 ...
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2answers
851 views

Internet is very slow because of many unknown connections from and to some amazonaws EC2 servers, Dropbox?

We are currently having issues with the internet speed at work. We asked for a global report to our ISP in order to understand what was happening, and in their report (in the "conversation report" ...
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0answers
163 views

Draytek Vigor 2830n WAN connection dropouts

For the last two weeks we have been experiencing terrible connections speeds. When running a speed test it normally starts off OK at around 15Mbps but then drops to 0.7Mbs or below making working ...
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1k views

pfsense inter vlan slow speed

In our company we use pfsesne 2.3 as a router. Problem is with inter-vlan transfer, which is very slow about 150kbit/s in both ways. Its very strange , network is 1GB , transfers inside vlan's are god ...
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1answer
6k views

Connecting to MySQL is taking a long time

Here is a normal client side sending an AJAX request to the server, without using any libraries. About The Database: There is only 1 table in the DB having 2 columns and 2 rows. The Storage Engine ...
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1answer
49 views

Active Directory clients performing slowly after HDD upgrade

I have a Windows 2008 R2 AD server operating on my network, it recently ran out of space and I upgraded to 2TB SATA drives instead of the 300GB SAS drives it came with, I configured my 4 drives in ...
1
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1answer
221 views

Slow shared NAS storage for VM cluster

I have a problem with a very slow virtual machines. I have two HP DL380 G6 servers in the cluster that are connected to the Synology NAS 2416+. Everything is connected via the HP 1620 Switch. On the ...
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0answers
929 views

Slow gigabit speeds with Ookla speedtest software

We have 2 speedtest servers (RHEL 6.7) sitting on 10GB links with a 10GB pipe between the two. The servers are separated geographically by about 256 miles but traceroutes look very good, with 4 hops ...
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0answers
67 views

Slow Login on Network Windows 7

I am trying to troubleshoot an issue where it takes a very long time (4-5 minutes) for users to log on to their computers on a network, and after catching this timeline with the Windows Performance ...
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1answer
343 views

CentOs server intermittent long response time. [atop screenshot included]

I am in charge of a website that has about 150 unique users a day. The website hosts forms and gauge data, providing calculations and alerts. It runs well, but for some reason there are intermittent ...
4
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1answer
11k views

Why is a TLS handshake taking *forever* (20 seconds) on a VPS?

I have a server that generally works fine, but gets stuck for 20 seconds when trying to connect with SSL (either SSH or HTTPS display the same pattern.) I tried various connections without SSL, such ...
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1answer
186 views

PowerConnect 2216 slow with 2 ports connected to router

I have a Dell PowerConnect 2216 switch. When I plug one cable connected to LAN port #1 of my router it works fine: _____________________________________________ | Router | PC | PC | PC | PC | PC | ...
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1answer
381 views

Slow loading WordPress site because of pingback

I have a site running on WordPress that has a very high loading time. When I check tools.pingdom.com this is the result: I've updated all plugins and WordPress, blocked xmlrpc.php and still the site ...
9
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2answers
8k views

Bind DNS Recursion Slow

We have just setup a recursive DNS server using the latest stable release of Bind 9.10 We are finding that recursive DNS lookups are quite slow. Anywhere from 1 - 3 seconds. Once the lookup is in ...
1
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1answer
249 views

nginx no speed limitation for a connection

I have a server with nginx installed on it to serve some files for downloading. I also didn't change default configuration of nginx. Problem is that when I try to download from this server it seems ...
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0answers
715 views

test connection status and speed between azure vm and client

We have some VMs up and running, but we are seeing slow performance on some of them. We are unsure if it is a VM problem (Azure overloaded), an intermediate network problem or a problem on the client ...
2
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0answers
682 views

Asset (js, css, images) loading is extremly slow on apache after update

I am running an Ubuntu 14.04 based linux web server and did an update by "apt-get upgrade". Everything worked fine before this update. After this update the time to load assets like JS- or CSS-files ...
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2answers
2k views

Apache server hangs after a few hours, needs restart

I have a VPS, with 2 GBytes of RAM on an Ubuntu 14 machine. After a while I decided to upgrade my packages in the machine, including installing the latest version of apache2 (2.4.7). However, after ...