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13 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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0answers
16 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 ...
1
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1answer
33 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
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1answer
39 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
1answer
47 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
50 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
44 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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0answers
6 views

LMS Server Apache Tomcat Slowness

Let me begin by stating that I am not a network admin or server guru of any sorts. I do however administrate an LMS for a mid size corporation. We have had a lot of users experiencing slowness when ...
0
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1answer
36 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 ...
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0answers
81 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
1answer
26 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
1answer
60 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 ...
3
votes
1answer
522 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 ...
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0answers
61 views

Slow IIS site performance for certain network conditions

I'm trying to determine the cause certain uses are seeing on an IIS site I work with. Users started to mention this slowness to us a month or so ago and I've been trying to determine the cause of it ...
1
vote
1answer
107 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 ...
0
votes
0answers
589 views

Windows Server 2012 - Hyper-v - VMs experiences slow connectivity on some hours

I have installed hyper-v role on 2012R2. After creating our linux and windows virtual machines we realized that connectivity between VMs are very slow. We fixed it by installing HYPER-V LINUX ...
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0answers
311 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 ...
0
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0answers
24 views

Is a Raspberry Pi too slow to use as a web server? [duplicate]

Is a Raspberry Pi 2 too slow to use as a web server to run a php script to edit a file? I'm talking about the Pi2 with 1gb ram and 0.9GHz processor.
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0answers
258 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
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2answers
653 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 ...
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1answer
266 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 ...
1
vote
1answer
1k 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 ...
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0answers
204 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
1answer
592 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
2answers
511 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 ...
2
votes
1answer
4k 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
1answer
11k 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
1answer
410 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 ...
1
vote
1answer
2k 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 ...
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votes
3answers
268 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
1answer
228 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
1answer
6k 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
1answer
187 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 ...
0
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1answer
722 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. ...
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0answers
522 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
1answer
262 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
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0answers
131 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
2answers
238 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
1answer
527 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
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0answers
544 views

Remote Desktop Connection slow to Server 2003

I am experiencing massive slowness remoting into a server 2003 via remote desktop connection to a terminal server in another office location. The location where I am remotting into from has a fast ...
0
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2answers
2k 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
1answer
396 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
1answer
321 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
1answer
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 ...
0
votes
2answers
199 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) ...
0
votes
1answer
473 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
1answer
2k 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 ...
0
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1answer
1k 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
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1answer
177 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
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1answer
643 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 ...