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Questions tagged [response-time]

57 questions
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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 performance, so I do NOT want to include the time the…
IZhen
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Lag in squid TCP_TUNNEL/200 access.log

I'm getting very high Squid response time (tr) with almost all status code TCP_TUNNEL/200 analyzing access.log in 3 servers on different costumers. All was installed by me following the same procedure based on Ubuntu Server 16.04 LTS with automatic…
Yair Adi
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Debugging slow server response time

I'm testing response time of my VPS server: curl -s -w %{time_total}\\n -o /dev/null http://www.example.com The values are typically round 300ms, Google suggests that it should be lower than 200. Looks like this does not depend on the CMS used, the…
Sfisioza
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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 with in the most part, with no…
user1585968
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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 not load, it is not DB, it is not PHP, accualy this…
Maťo Urbašík
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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 the new server, we had been running/testing the…
D. Dubya
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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 or more to respond (esp. for the first call).…
BurninLeo
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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 mirrored port in switch recognize the start and end of a…
IZhen
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Slow response time every exactly 5 minutes

We have a VPS hosted on Cloud Linux with a well known Web hosting company. We've always had a problem where exactly every 5 minutes, if you load a page from the website, you have to wait about 10 seconds before anything shows up. Outside of this…
VVV
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NFS disk - weird behavior about disk operation response time for open/delete (Java access)

I figure out weird behavior with NFS (v4). We are experiencing problem with Jira Data Center and we found as the most possible reason slow response time on NFS disk (used for shared cache between nodes - so we need fast response time). OS is Debian…
zorbon.cz
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On and off requests take very long on my system

EDITED: I have and issue in my AWS system. Every few requests takes almost exactly 130 seconds to answer. When I say a few I mean 5 to 25 or so. Normally if you cancel the slow request and send again it just answers fast. I also noticed this happens…
wti
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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 this: …
Johann Gerell
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What constant throughput and linear respone time tells about the system?

What does it mean when throughput in the system is constant and only response time changes (linearly)? Does it mean that I have to have a bottleneck?
Siegmeyer
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Crontab curl response time to text file

I am trying to get the response time of a server so for example I am using below curl command I got of the internet curl -w "@curl-format.txt" -o /dev/null -s http://wordpress.$ The curl-format.txt looks like the following: n …
DugD
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Are ping results dropping when SCP'ing normal?

Whilst scp'ing a file to a server, the ping responses of the server drops to be 6 times slow at ~640ms. Is this... normal? I'm using nginx, is this an indicator that it needs fine tuning?
user3791372
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