Questions tagged [slow-connection]
The slow-connection tag has no usage guidance.
144
questions
1
vote
1
answer
9k
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 ...
0
votes
1
answer
55
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
vote
1
answer
389
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 ...
1
vote
0
answers
1k
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 ...
2
votes
0
answers
75
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 ...
1
vote
1
answer
517
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 ...
5
votes
1
answer
14k
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 ...
0
votes
1
answer
218
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 | ...
-1
votes
1
answer
468
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
votes
2
answers
11k
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
vote
1
answer
315
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 ...
2
votes
0
answers
851
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
votes
0
answers
888
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 ...
0
votes
2
answers
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 ...
0
votes
1
answer
1k
views
Debugging slow network [closed]
I've been tasked with debugging why my company's network connection is running slow.
Having no previous experience in this field I have absolutely no clue where to begin or what tools to use.
The ...
2
votes
1
answer
5k
views
bacula backups very slow with TCP socket in 'unkn-4' state
Several bacula-fd clients are backing up to one bacula SD (using 2G disk files on massive RAID, not tape), usually 2-3 of them concurrently. It works fine, except when 2 bigger clients (about 400-...
1
vote
0
answers
606
views
TCP Window Size Allocation, TCP Window Zero Errors and Network Latency
My mind is about to explode as everyone is always blaming the network guys for disconnections and slowness in the networks, but Solarwinds Reports that all utilization in the network devices and links ...
0
votes
1
answer
2k
views
Server taking too much time to first load [closed]
I have a VPS server with CentOS 6 purchased from MochaHost. It has WHM/cPanel installed and I have full root access. The websites that are on this server load very slowly but when I use pingdom tools ...
1
vote
2
answers
1k
views
centos TCP/IP connection very slow
I have a VSP (centos6.1 64bit) with 4gb ram.
It always runs well, but in recent few days, the server become slowly. open a small css file need 22 seconds(2kb). tested in home/office/phone with (IE,...
2
votes
1
answer
8k
views
Connection to SQL Server 2008 R2 Database Server is SLOW
The database server is a VM running SQL Server 2008 R2 on top of Windows Server 2012, 24GB RAM allocated and 2TB of disk space.
Overall, the database connections are very slow and one thing that ...
5
votes
1
answer
14k
views
ESXi 5.5, slow network speed when writing to guests
This is an issue that has been bugging me for a lot time with ESXi. I had the issue with my old Dell server (ESXi 5.0 and 5.5) and even with my new Dell T20 (ESXi 5.5).
For the current issue at hand I ...
0
votes
1
answer
1k
views
High disk overloads slows the server
My server get very slow as soon at my gstat output shows high amount of busy%.
Look at the gstat results:
Here is the top -m io -o total and the gstat commands running at the same time:
How can I ...
1
vote
1
answer
4k
views
Cisco IPSEC VPN Slow Speeds
We have a site to site IPSEC VPN, both endpoints are Cisco PIX 515e's. The links at both end are 100mb, however speeds over the VPN (logged using jperf) are at most 4mb. Obviously this represents a ...
-2
votes
3
answers
376
views
DNS slows down other stuff
I set up a local DNS server (because the router of our ISP doesn't support local DNS) and configured it to resolve to static IP addresses and forward other requests to the ISPs router. So the DNS ...
0
votes
1
answer
980
views
very slow outbound HTTP on a webserver
I've got a web server running Windows Server 2008 R2, SP1, and IIS7.
It has been running fine for some time, but recently begun having difficulty with outbound HTTP.
Attempts to hit web pages from ...
1
vote
1
answer
10k
views
Performance - Windows Server 2008 R2 vs Windows Server 2012 [closed]
we have two different server that runs the same server application. They have to handle lot of connections (2000+) in a custom protocol, our users have our program to connect to our servers.
Machine ...
0
votes
1
answer
473
views
Accessing VM over VPN is very slow
We have a single physical server running XenServer 6.2 which hosts an SBS 2008 VM and 2 CentOS 6 x64 VMs.
External users connect to the local network via VPN on the SBS VM. They can access everything,...
2
votes
2
answers
2k
views
Bacula: initial Full Backup job taking too much time
I've chosen Bacula (v.5.0.2) to do backups of our office worker's data.
The Director and Storage Daemon run on a Debian based root server (the SERVER) rented from a major german hosting company.
...
1
vote
0
answers
1k
views
FTP Transfers Slow Between 2 Servers
Between 2 dedicated servers, hosted in 2 different DCs (different companies), the FTP upload speeds are always much slower than the max connection speed.
Specs:
Windows 2008 on both.
Quad core/8 GB ...
0
votes
1
answer
2k
views
How to check what process is blocking local linux server (Slackware)
I have a Slackware linux server at my work. This is network, database and web server. Our main web application is used as a backend application to administrate our public website (which is frequently ...
1
vote
0
answers
166
views
What causes my new web server to delay its response?
I'm migrating my servers from Rackspace over to Amazon. Our servers are running mod_perl and the connect times are much longer on the Amazon server (oftentimes up to 1 second just to connect) with ...
0
votes
2
answers
483
views
Serious latency over SSH: CentOS 6.3 VNC is fine, no visible I/O bottlenecks
This is not an issue about logging in via SSH, this is a lag during typing input and receiving output while connected to a server via SSH. I tested the speed of the commands using the time command and ...
1
vote
1
answer
978
views
Slow Network Transfer Through Linux Firewall VM
We have a RedHat 5.8 VM running on ESX on top of Cisco UCS that is acting as a firewall using iptables. The box has multiple nics, one nic serves as the gateway to our network with the other nics ...
0
votes
2
answers
6k
views
Why is NGINX running slow with php_fpm fastcgi_cache enabled using wordpress?
I am having a little trouble. I followed the tutorials step by step at rtcamp.com for wordpress multisite, only changing the ‘example.com’ to my domain name. I have the nginx helper plugin installed ...
1
vote
1
answer
1k
views
Simulate slow network connection to MySQl server
I tried fiddler and wireshark to simulate slow network connections.
I could slow down the network with fiddler but it is for Http and https protocols. With wireshark I was able to capture TCP & ...
0
votes
1
answer
1k
views
LAN bandwidth in Linux is low
everyone, I connect two PCs both with 1000Mbps NIC. One(A) of them runs Fedora 8 while another(B) runs Windows7. I test bandwidth between them with Ixchariot, it shows about 10Mbps. If A and B both ...
3
votes
1
answer
2k
views
Diagnosing Server 2008 and Windows 7 LAN Speed
I have a customer with Server 2008 in a VM, and maybe 15 Windows 7 clients. They are experiencing slowness when using an ERP system whose data resides on the server. The database in question is a load ...
1
vote
2
answers
257
views
moving files and directories between two machine, via a third, preserving permissions and usernames
The situation is as follows:
Machine A has a file repository accessible via rsync
Machine B needs
the above mentioned files with all permissions and ownerships intact
(including groups etc)
Machine ...
0
votes
1
answer
735
views
My VPS apache goes down often
I have a debian VPS with 2 GB RAM which is really good for handling big stuff.
Recently, however, my website goes down often and I still can't target the exact reason.
At first I had 512MB RAM which ...
0
votes
1
answer
6k
views
SSH very slow when connecting from external [duplicate]
Possible Duplicate:
ssh delay when connecting
We have a CentOS server that we use for internal testing purposes, which has sshd enabled.
When I (as a developer) am at the company, I use ssh root@...
0
votes
1
answer
2k
views
Solaris 10 very slow ssh file transfers
Trying to copy a few TBs betweek Solaris 10 u9 systems
A single scp only seems to be able to transfer around 120MB/min, over a 1GB network. If I run multiple scp copies, each one will do 120MB/min, ...
2
votes
1
answer
295
views
How to silently buffer tunnel traffic on network split, and automatically renew the connection when possible?
I have a slow connection between two machines, one in Germany and another in China. Connection sometimes breaks apart, and the packet loss is about 5%, at times even reaching 20%. Chinese machine has ...
2
votes
1
answer
2k
views
Gigabit Ethernet on 200 mbit/s speed - why?
Today I tried to connect two laptop computers, both having Gigabit Ethernet NICs, both with Windows 7, with straight cable cat 5e. The cable is ca 50 cm long so the category 5e should be enough.
I've ...
0
votes
3
answers
117
views
Why aren't local requests almost instant?
This is purely out of curiosity, but with every local server I've ever setup, there has always been a 0.5-2 second delay until pages are displayed.
Just as an example, I've setup a completely blank ...
2
votes
5
answers
2k
views
How to speed up Drupal 7 with remote DB (not DNS resolving)
we have Drupal 7 on Ubuntu LTS virtual machine (VMWare) with MySQL 5.1 server on the same physical server, but on a different virtual machine.
The Drupal website is currently under development, ...
0
votes
2
answers
2k
views
Site extremely slow - unresponsive - on Linode
I recently moved to linode from a managed/autoscaled host.
MY site is extremely slow - unresponsive most of the time.
I was on the 512 mb, 20gig storage, 200 gig transfer plan but upgraded thinking ...
1
vote
1
answer
212
views
Downloads from Bamboo server are slow, how can I debug this?
I have a Windows box running Bamboo, a continuous integration server. I can download files from it over HTTP, but they're really slow, like 80 kbps slow. I don't have any speed issues copying files ...
0
votes
2
answers
267
views
DSL :: Connection top speed is ok, but acceleration is low
My 2048 Kb/S ADSL connection downloads at the expected download speed 220 KB/s , but it takes too long to get to that speed, in other words the top speed is fine but the acceleration is terrible.
This ...
1
vote
1
answer
7k
views
Linux PHP web server horribly slow when accessed from any windows browser
I have a Linux server (Ubuntu 10.04) running apache2 and PHP. Everything runs fine when accessing a page from any browser from another Linux machine or Mac. But when I try to access a page from any ...
4
votes
1
answer
7k
views
FreeNAS box has slow network transmit speeds
I'm seeing some really odd issues with network speeds on my FreeNas 8.0.3 box. Receiving traffic is fine, but sending traffic slows down to 10-50kb/s, and stalls a lot.
Receiving:
Transmitting:
...