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Questions tagged [slow-connection]

142 questions
18
votes
15 answers

Unexplained slow gigabit network speeds

Update Ok, I've tried the answers below and nothing has changed. I've identified the chipset in the laptop as the NVIDIA nForce 520. I downloaded the latest Vista x64 drivers for the nForce 520 (NVIDIA doesn't have any drivers for that chipset for…
Joshua
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9
votes
2 answers

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 which so far works very well. This is therefore not…
legolas108
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9
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2 answers

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 cache, DNS resolves in a matter of milliseconds as…
ausip
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7
votes
8 answers

Determining why file transfers are so slow

I'm trying to transfer large files (3+ gigs each) across the lan. My connection is 100 megabit to the box, with a gigabit backbone. However, when transfering files between servers and from a server to my local computer, transfer speed hovers around…
Ryan Michela
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6
votes
10 answers

Is it possible to merge multiple internet connections?

I have two internet connections at my place but the faster one is actually unreliable. :( One is a broadband modem connected to PC via ethernet. The other one is a USB modem. I would want to run both connections simultaneously (or parallel) in a way…
Arpit Tambi
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5
votes
1 answer

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 as a telnet: telnet server-name 80 Entered a GET…
Alexis Wilke
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5
votes
1 answer

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 will only focus on the new Dell T20 server, to…
Jueki
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5
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4 answers

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 connection is slow in general, although the data flow…
doc_id
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5
votes
4 answers

mysql connection is slow (5seconds)

After building my webapp on a first boot i create 2 connections to mysql on debian then 1-2 (r/w) for every page after that. The connection consistently take 5.2 seconds to connect. Debian is in a VM running in my OS. Why is the connection taking…
user274
4
votes
2 answers

Linux box takes 10 seconds to make a connection

My machine is taking 10 seconds to establish a connection. Once the connection is established, it is up to speed and works correctly. But if I for example ping www.google.com, it takes 5 seconds for PING www.l.google.com (72.14.247.147) 56(84)…
andrewrk
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4
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1 answer

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: Iperf: Server receiving: Server…
AdamB
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4
votes
2 answers

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 no idea why it is acting that way. I even…
burger
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3
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1 answer

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 of shared files, as opposed to on a database…
Alan B
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3
votes
3 answers

Slow network-home-folder use, many spinning beachballs

Xserve with 10.4.11 connected to Xserve RAID via FC. 208GB of 1.82TB available. Xserve connects to HP 2848 Gigabit switch Xserve houses network-home-folders for 14 users. Clients (mac mini - intel core solo 1.5GHz running 10.4.11) Symptom: Clients…
Dennis Wurster
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3
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3 answers

Timeouts when connecting to SQL Server since installing SP1 for Windows 7

I just installed SP1 for windows 7 and I have severe performance degradation when connecting to SQL Server 2005 since then. Establishing connection takes more than 30 seconds while it's instantaneous on another computer. Firewall is disabled and I…
Julien
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