The throughput tag has no wiki summary.
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Branch Office Cisco Router Throughput [closed]
Looking at routers such as the 2821, you seem to get a throughput of 100mbps (at most) at a price tag of over $2000. An 800 series router will only give a shocking 10mbps. Why is the throughput so ...
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How to Benchmark an x86 Router?
How would one go about objectively benchmarking different x86 server for their potential as x86 routers?
One idea I had is to setup two subnets, 10.0.0.0/24 and 10.0.1.0/24, on opposite sides of a ...
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4answers
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Best performance: 1tb vs larger drives in app using only sequential read/writes
I have a custom app that is multi-threaded; each thread runs on its own logical core (the workstation is a dual xeon, with 12 physical and 24 logical cores). So there are 24 threads running ...
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1answer
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Not understanding simultaneous connections, throughput when looking for a router/firewall appliance
I've recently decided to replace my Linux firewall/router with a more manageable appliance(better VPN, firewall, proxy). I've been searching the net for a good explanation of the significance of ...
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3answers
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dell 2T 7.2k nearline SAS 6Gbps- ingress/egress throughput
I would like to know, how to calculate sustained read and write speeds supported. I don't have access to machine/drive, but need to define specs to purchase one.
What all things would it be ...
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Data Throughput and IOPS for different Enterprise Disks [closed]
Two Parameters for accessing the performance of Enterprise Hard Disk
1. IOPS for small random read/writes
2. Throughput for large sequential read/writes
My question is-
is there any relationship ...
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1answer
66 views
Amazon S3 as measure of server's throughput?
My server uses a 100Mbps shared port with 10Mbps nominal guaranteed BW. The highest speed of upload to Amazon S3 that I've seen from the server is 2.5MB/s. What does this indicate with respect to the ...
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Why does my gigabit bond not deliver at least 150 MB/s throughput?
I directly connected two PowerEdge 6950 crossover (using straight lines) on two different PCIe-adapters.
I get a gigabit link on each of these lines (1000 MBit, full duplex, flow contol in both ...
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1answer
214 views
10 gigabit NICs showing only half the throughput
I have 2 physical servers:
Two way Intel E5504 @ 2GHz, 24GB RAM, 12x32GB Intel X25-E SSDs in RAID10.
Intel Core2 6400 @ 2.12GHz, 3GB RAM, simple 80GB SATA drive.
Both machines run Windows Server ...
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3answers
484 views
How to check throughput (query per second) of a database?
I have PostgreSQL dbms. I want to check live throughput of the DBMS.
I want to build a graph of throughput which will be updated every 10 seconds.
How do I do that? Any suggestion for MySQL will ...
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1answer
80 views
TCPProbe logs not making sense
I am trying to use TCPProbe over my network to study TCP but the logs it is generating for a simple iperf TCP connection doesn't seem to make any sense. I am running an iperf over two nodes in my ...
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VOIP over Comcast causing problems
We're running a VOIP system over Comcast. The problems are:
Some calls don't complete (both incoming and outgoing)
Some phone calls get terminated in the middle of the call.
I want to run some ...
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3answers
394 views
Disk throughput dramatically reduced when using ZFS on OpenSolaris?
I'm building a simple ZFS file server for the small business I work for. The server is a Dell Poweredge 840, with 1GB RAM. The OS (OpenSolaris 2009.06) is installed on one SATA drive, and there are ...
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1answer
111 views
nfs file access statistics
For a Linux NFSv3 server, is there any way to see statistics on actual file access? In other words, I would like to see a timestamped log of every file read or written.
Motivation: I have several ...
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2answers
225 views
How do I know if my disks are being hit with too many I/O reads or writes or both?
I know a bit about disk I/O and bottlenecks relating to this especially when relating to databases.
How do I really know what the max I/O numbers will be for my disks? What metric might be available ...
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2answers
76 views
MySQL sudden throughput increase
What could be the cause of a sudden increase in MySQL throughput (from an average of 1.5M/s to 7.5M/s). The system is running WordPress on a trafficked site (2M monthly pageviews). The throughput is ...
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5answers
708 views
How to measure disk throughput?
I want to know how many bytes per second can I write to the disk and read from it.
How can I do that on linux machine?
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2answers
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Measuring network throughput with netcat vs. CIFS/SMB transfer rates
I have been attempting to measure and benchmark our LAN's throughput as part of a larger project. Our LAN is constructed using cat5e and HP ProCurve 1800-24G switches which support 10/100/1000 Mbps ...
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2answers
768 views
What limits the performance of scp?
I've two Debian Linux machine connected via 1 Gbit LAN. I can measure this with a raw HTTP file transfer with wget which gets around 100MB/s in either direction.
When I now use scp, the maximum ...
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3answers
2k views
How much horsepower is needed to have 100Mbit/sec OpenVPN throughput?
My small ALIX machine is not coping with the new demand for OpenVPN throughput I have. So I'm looking to replace it. Problem is, I don't have any experience with hardware sizing for OpenVPN. I'm ...
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5answers
592 views
DMZ configuration and firewall throughput
I've been asked to look into placing a firewall between a webserver (Debian/Apache/PHP) in the DMZ and a backend MySQL database to achieve "isolation". Right now, iptables is running on the MySQL ...
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3answers
268 views
small lan throughput test
My house is Cat6 cabled for ethernet. I want to do some speed measuring.
Background:
Below the stairs is a small server room for the router, DSL modem, a EEE-Box (ubuntu) and a LaCie-Nas used for ...
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2answers
213 views
sshd data transfer limit [closed]
What is the limit on sshd connection? How much data can it process?
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2answers
340 views
Planning trunk capacity for multiple GbE switches
Without measuring throughput (it's at the top of the list; this is just theoretical), I want to know the most standard method for trunking VLANs on multiple Gigabit (GbE) switches to a core Layer 3 ...
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1answer
524 views
Where would an S3 upload speed cap originate?
I do a ton of uploading to S3 and am experiencing capped speeds and I can't quite figure out how to address it.
The setup: Windows Server 2008 R2 x64, external HD, using a Java based upload tool ...
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1answer
2k views
Debugging IO Limitation
I have a Fedora box with some severe IO limitations which I have no idea how to debug.
The server has a Areca Technology Corp. ARC-1130 12-Port PCI-X to SATA RAID Controller with 12 7200 RPM 1.5 TB ...
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3answers
532 views
Issues with sustained traffic with PFSense
Last week we had to replace our PFSense firewall because it had a catastrophic hardware failure. All but one of the NICs were taken out of the old server and put into the new one. The one NIC that was ...
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1answer
172 views
Finding throuput of CPU and Hardrive on Solaris
How do I find the throughput of a CPU and the hard disk on an OpenSolaris machine?
Using mpstat or iostat?
I'm having a hard time identifying the throughput if it is given at all in the commands ...
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1answer
527 views
Throughput tool with decent graphing
I've been looking through some of the tools available for generating traffic to measure maximum network throughput, namely iperf, bwping, ttcp, etc. I am planning on doing throughput tests over a long ...
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1answer
227 views
Throughput; capacity planning help for C10K like design
I am designing a network service in which clients connect and stay connected -- the model is not far off from IRC less the s2s connections.
I could use some help understanding how to do capacity ...
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6answers
1k views
Expected throughput in Gigabit network
I've been doing some tests with iperf to measure the network throughput between 2 servers (connected back-to-back thru a crossover cable) and I only see 180 to 200 Mbps. I tried different cables and ...
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2answers
138 views
Max traffic - 1Mbps up
I was wondering how to calculate the maximum traffic/load that I could potentially serve having a 1Mbps up? I know that it depends also on external factors but roughly what would be the max output. ...
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Cisco AS5505 - How reliable is the max-throughput
How reliable are the maximum Cisco throughput numbers from their specs?
I am considering to use ASA5505 and I expect a constant load which is around 60-70 % of the specified maximum and peaks around ...
