Tagged Questions

The tag has no wiki summary.

learn more… | top users | synonyms

1
vote
0answers
25 views

Really slow copying a file to a win 8.1 pc over LAN, no other network issues [migrated]

I have a windows 8.1 pc thats being running fine for ages. Suddenly it's unable to play videos from a network share. Digging into it I've found the following: Copying a file from any of the three ...
0
votes
2answers
48 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 ...
-1
votes
1answer
38 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
39 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 ...
1
vote
0answers
51 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
96 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 ...
0
votes
2answers
178 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
895 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 ...
4
votes
1answer
4k 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
141 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 ...
0
votes
0answers
46 views

Extremely slow response downloading images from certain external servers. IE facebook

I have a new web service I'm deploying on a VPS where I am having trouble determining why why it is super slow to download images from facebook using PHP. Both facebook login and downloading images ...
1
vote
1answer
754 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 ...
0
votes
0answers
177 views

High “system” cpu usage, no IRQs to blame

I have a WYSE V50L 800MHz terminal with Ubuntu Server 12.04.3. The problem I'm having is low transfer speeds (caused most likely by high "system" cpu load) while exchanging files with the terminal. ...
-2
votes
3answers
138 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
96 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
2k 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
121 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
votes
1answer
343 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. ...
0
votes
0answers
222 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
140 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
0answers
107 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
180 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 ...
0
votes
0answers
79 views

php-cgi on nginx slows server

Im having some trouble with my server lately because of more users coming to my website. If i get around 400 aktive users online, the server is really getting slow and it takes around 20 seconds to ...
0
votes
0answers
38 views

Apache slow to respond, even TXT file

i'm having a problem long time already and it happens only few days (not everyday) that the page take very long time to start loading with apache (i also have page running with java (JSF) that is ...
1
vote
1answer
313 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
0answers
313 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
votes
1answer
1k 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
228 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
228 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 ...
0
votes
0answers
425 views

odd “waiting for localhost” loading delay on wordpress ubuntu 12.04 server LAMP install

I have just installed wordpress (last version) on /var/www/wordpress on a default ubuntu server 12.04 LAMP installation. Every time I want to load something on this wordpress (even the login screen) ...
0
votes
0answers
250 views

High Load Average and High CPU usage make the CRM Slow

top: 12:49:59 up 49 days, 14:07, 3 users, load average: 7.55, 7.24, 7.37 Tasks: 300 total, 25 running, 263 sleeping, 0 stopped, 12 zombie Cpu(s): 91.9%us, 8.1%sy, 0.0%ni, 0.0%id, 0.0%wa, ...
3
votes
1answer
905 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
116 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
306 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
989 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
votes
1answer
973 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
1answer
157 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 ...
1
vote
1answer
442 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
3answers
94 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
3answers
920 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
2answers
1k 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
1answer
74 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
2answers
190 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
1answer
2k 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 ...
3
votes
1answer
3k 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: ...
-1
votes
2answers
1k views

How can I troubleshoot slow Apache?

I am running apache2 (2.2) on Ubuntu on a VPS with 768MB of RAM. For some reason it takes several seconds to load any page (even static html). The only component I can blame is Apache. However, I have ...
1
vote
1answer
201 views

mysql always using maximum connection

I have LAMP server having 4 core CPU and 32 GB RAM.We are running a large website on it. I have following issues now in my server. When I use Mysqlreport tool to monitor the mysql server i am always ...
2
votes
1answer
368 views

Mac clients intermittently wait minutes to connect to SMB shares

My Mac OS X (10.6 & 10.7) clients all intermittently but frequently experience extremely slow connection times to my Windows 2008R2 shares. From the Go To Server menu, they can enter an smb:// ...
0
votes
1answer
99 views

iptables crippling downlink on CentOS 4.x VMs

With iptables service running, downlink traffic is less than 500KB/sec. When turning off iptables, downlink traffic is around 25MB/sec. Uplink is fine. Any ideas as to why this might be occurring ...
5
votes
4answers
763 views

Connections establish slowly, while download rate is great -Linux

EDIT: I have seen this problem elsewhere with an ADSL connection and not only USB modems or cell network. I have my cell network USB modem attached and configured, running under Ubuntu 10.04 The ...