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-4
votes
2answers
63 views

How can I optimize my ajax calls to deliver at 60ms.

I am building an autocomplete functionality for my site and the Google instant results are my benchmark. When I look at Google, the 50-60 ms response time baffle me. They look insane. In ...
5
votes
1answer
108 views

Method / Tools to analyze temporarily bandwith collapse

I've tested my server¹ with a python port of mechanize - multi-mechanize. I ran several pretty simple tests - but I always get a drop from 10mbits to some kb of upload bandwith. And I've no idea why. ...
-1
votes
3answers
261 views

How can be ping used to measure a server speed? [closed]

When I ping myserver.com, I get this responses: 64 bytes from XXX.XXX.XXX.XXX: icmp_seq=1 ttl=242 time=52.6 ms 64 bytes from XXX.XXX.XXX.XXX: icmp_seq=2 ttl=242 time=55.9 ms 64 bytes from ...
0
votes
0answers
40 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 ...
0
votes
2answers
364 views

Response time measurements for IIS web application

I have a dot net web application, and would like to measure response time. I currently have two measures. The "inner" measure is made within the web app itself. The "outer" measure is the roundtrip ...
1
vote
1answer
100 views

Low-delay (high-responsiveness) Windows Network Service?

I have written a Windows Network Service using C# which is designed to run on a Windows 7 machine. It is designed to be able to handle multiple requests in a single millisecond, which it seems to cope ...
0
votes
1answer
285 views

Slow http responses

I am running an apache web server on debian 6.0 with kernel 2.6.32-5-amd64. In certain times of the day, usually when more people are online, the server have very slow responses. I am sure, that is ...
0
votes
4answers
936 views

Ubuntu server 12.04, apache2 - very slow response to first request

The server is under pretty much load - few hundred requests per second. Vast majority of them is through SSL. The problem is that first request through HTTPS to the server meets very slow response ...
-2
votes
1answer
58 views

Is my response time normal?

I have a cheaply rented server space running Ubuntu 12.04. I've measured response time using a Python script that just connects over a socket and sends small data back and forth, and it seems quite ...
4
votes
2answers
112 views

Long response time from server

We have a high traffic website, at peak it has 1000 concurrent users, and in minimum it has 100 users at the same time. In average it has 40,000 to 100,000 visit a day. The problem is sometimes it ...
0
votes
1answer
226 views

Application Server Slowing down in responding at regular interval

We have developed a product in JAVA using SQL Server 2008 R2 as database, Hibernate 3.0 as database framework and GWT 2.4 as front end. We are using JBoss as our application server. We deploy ...
1
vote
1answer
122 views

How to graph the web server load by using the nginx logs with response time?

I want to analyse if certain type of requests do have an important impact on the server. My backend service is behind nginx which logs all requests including the time needed to get the response. Now ...
0
votes
2answers
252 views

Why my server request takes 28 Second to get response?

I have a Wordpress website on a Godaddy server having at http://kerala.letmeshare.org. When I request to get this website this takes almost 28 sec to get reply. Because of this I made a complete ...
0
votes
2answers
75 views

Apache taking 32 seconds for response

I've recently setup a new server for a site of ours running Ubuntu 12.04. I've installed the Apache, PHP and MySQL packages from the repository and done minimal configuration. The site is loading, ...
1
vote
1answer
470 views

Slow First-Hit to ASMX Web Service After Upgrade to Windows Server 2008, IIS 7.5

We recently had a new production server built to serve an ASP.NET 4.0 business app. Specs for the new server are Windows Server 2008 R2, 2-core Xenon, IIS 7.5, 2Gb RAM (soon to be 4Gb). Previous to ...
1
vote
0answers
28 views

Performance Drop Lingers after Load [duplicate]

Possible Duplicate: How do you do Load Testing and Capacity Planning for Databases I'm noticing a drop in performance after subsequent load tests. Although our cpu and ram numbers look ...
-1
votes
1answer
85 views

Loading Javascript files after the page is rendered and response time [closed]

So normally javascript files are loaded using the tag. But how can you bind the loading of scripts files(For some secondary features like searching) to the document ready event? And is it ...
1
vote
2answers
354 views

Apache2 on linux - how to track down performance trouble

I am stuck on this topic for a while now: How can I get more details on where response time burns. My Problem is the extreme variance in response times. Sometimes it takes the server 5 or 10 seconds ...
-1
votes
1answer
146 views

Response time more than doubled after switching from A to CNAME on Heroku

I recently switched my Heroku app DNS setting from using A record at the apex to using CNAME record at www subdomain, because of the scenario outlined in this blog post: ...
2
votes
2answers
3k views

Requests in IIS' “SendResponse” state stuck for a long time; Slow IIS 7.5/ASP.NET 4.0 web application

I have a set of very beefy, very underutilized servers which are running a couple virtual machines with Windows Server 2008 R2 and IIS 7.5. The problem: Sometimes requests take a very long time to ...
0
votes
3answers
835 views

Should I add more RAM or CPU on my server? How do I figure this?

I host a PHP/MySQL application with Smarty caching on my server. It routinely gets short traffic spikes via tweets to thousands of followers. The traffic spike goes up to 6 hits /sec for upto 20-30 ...
1
vote
2answers
3k views

Linux/Apache performance very slow even on local network

I have an Ubuntu server machine running Apache and MYSQL. System and version info is as follows: Linux kernel 3.0.0.-12 Apache/2.2.20 MySQL Ver 14.14.Distrib 5.1.58 I am running a few websites on ...
0
votes
0answers
295 views

Apache configuration mpm

Good morning. I have a problem with my server. Am I study the different "response times" of an apache server. The main thing I do is change the MaxClient. For this use: Laptop windows 7 core i3. ...
0
votes
1answer
438 views

how can I monitor Jboss threads to see the response times and waiting times in real time

We are facing a problem of slowness in performance when the requests are being served from JBoss. We had a web server routing requests to application server and we could see the problem with JBoss's ...
3
votes
4answers
14k views

Long waiting times before Apache 2.2 server response (Gentoo LAMP)

I've recently moved a client's website (using the concrete5 CMS) over to a VPS running Gentoo, Apache 2.2, PHP5 and MySQL 5 and I've noticed that Apache response times are pretty bad (it was the same ...
3
votes
2answers
578 views

Nginx request process time header?

I'm trying to append a header inside nginx that will say something like 'X-Time: 0.06 seconds' which basically will be the time since nginx connected with the client and nginx responded to the client. ...
0
votes
1answer
347 views

Apache hangs or is extremely slow for some user

we have a local apache 2.2.3 server on CentOS running a local PHP website. About half of the office is able to load the php pages the others will wait for about 1 minute or longer before the server ...
1
vote
3answers
1k views

How to measure end-to-end response time without client network time?

In a typical multi-tier web application, how to measure the response time from when the server receive the request to the time server send out the response? I want focus on the server side ...
1
vote
1answer
212 views

Any open source passive monitoring tool like ClientVantage

I'd like to find an open source tool that do passive performance monitoring. It should: capture network packages between client and server or between servers where the packages comes from a ...
3
votes
4answers
812 views

How can I establish if a 566ms average response time is any good for my server?

One of my servers averages 566ms response time as measured by Pingdom ( pingdom.com ). Is this a good score? Should I be doing more to optimise it?
0
votes
3answers
644 views

Slower response time on server caused by CentOS version

We have a number of servers, all in the same datacenter, all similar spec, all run the same application (LAMP ecommerce app), all have similar traffic levels and all have similar average load. ...
0
votes
2answers
886 views

Measuring page response time for different servers in web farm (HAProxy?)

I'm building out a small webserver farm (IIS7.5) to serve up an internal website. One of the things I want to measure is what the HTTP response time is between user requests and the page being served. ...
3
votes
1answer
3k views

HTTP response time profiling

I have a nginx reverse proxy. The server is close to serving 600-700 requests per second. I have a Munin HTTP load time plugin which is outputting this: ...
0
votes
1answer
231 views

erratic response times with Apache 2.0.52 on redhat 4

Under load, we've noticed response times from Apache vary greatly for the same 7k image. It can range anywhere from .01 seconds to 25 seconds or greater. Unfortunately, due to corporate policy ...
0
votes
2answers
354 views

Minimizing response time, maximizing requests/second

I'm testing out various Ruby on Rails hosting solutions, including nginx, apache, a couple of various ISPs and cloud computing systems, etc. I'm noticing that, when there's only one or two ...
0
votes
2answers
105 views

measuring unix machine responsiveness

I am one of the n users of a shared unix machine. For reasons unknown, the machine is not "responsive" enough. For example, it is slow on interactive commands, it takes few noticeable moments for any ...
2
votes
4answers
5k views

Max ping response time?

I'm wondering what a maximum (practical) ping response time might be. As far as I know, there isn't a max defined anywhere (TTL, but that's hops, not time). As I think about it, I'm not sure I've ...
0
votes
3answers
1k views

Most precise way to calculate server response time

What's the most precise way to calculate the time taken by my server to execute a HTTP request. I don’t want to know the DNS resolution or the traceroute time, but just the server execution time. ...
0
votes
1answer
268 views

What's a typical turn-around / response-time for this query/reply scenario?

I'm doing a feasibility study on a proposed wireless/wired network topology for a coming project of ours. A rough description of its use is "like an industrial sensor system". It looks something like ...