Questions tagged [response-time]
The response-time tag has no usage guidance.
57
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aws t3.small nginx gzip response time is slow?
I am having php web application on t3.small ec2 instance.
webserver : nginx
gzip on;
gzip_vary on;
gzip_min_length 10240;
gzip_proxied expired no-cache no-store private auth;
...
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1
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32
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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 ...
- 111
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1
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967
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Windows Server: First request very slow, subsequent requests normal
I’m developing a Laravel website which is to be deployed to Windows Server 2019 (IIS) running SQL Server, hosted on a VPS with Plesk.
I recently deployed the site to a password-protected testing ...
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0
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1k
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Nginx server response time is unexpectedly high for one in hundreds of requests
I'm using Nginx to serve .ts files for live streaming (HLS). Everything works fine but there is a problem with the response time of the files. Occasionally, some .ts files received from the server ...
1
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317
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Slow response time when server is idle, fast response time when server is loaded?
I'm running a 40 thread / 125GB RAM server.
The server is based on CentOS 7.
I have noticed that the server response time is higher when the server is idle:
You can see on the screenshot here that ...
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34
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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 ...
- 195
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802
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PHP+Nginx response time too much
I'm running a php-fpm server behind an nginx reverse proxy which is simply serving phpinfo to benchmark the response time. The response time (using postman) for the phpinfo page is around 150ms which ...
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170
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EBS target response time increasing before CPU utilization
I'm in a company where we have an elastic beanstalk configuration and it works fine with our CICD. The only issue is that earlier today i ran a stress test (basically just disabled AWS shield and went ...
-1
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2
answers
69
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Network time metrics
I am trying to get a sense of the different networking metrics and specifically those that are about time. I find myself lost in definitions though. From the research I have done so far I found some ...
-2
votes
1
answer
287
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DNS query sends NS response for NAPTR query instead of going for SRV and A query [closed]
I am trying to send dns query with NAPTR+SRV+A query but after NAPTR query it dns send NAPTR response with NS response and with additional records that is SRV and A but I want to send SRV and A query ...
- 1
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2
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905
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haproxy, is it impossible to monitor the http total request time?
using haproxy HTTP logs with http-server-close of keep-alives the time counters in the logs (TR, Tt...) are based on the beginning of the TCP connection. Which means only the first request, with ...
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2
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1
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484
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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 ...
- 158
1
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1
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9k
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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 ...
- 11
5
votes
1
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5k
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How to debug slow server response time?
Using the method described here to measure server response time, I can see that time_appconnect, time_pretransfer, and time_starttransfer are extremely high, but only when accessing the website ...
- 151
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1
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89
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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?
- 111
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13
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Crontab curl response time to text file [duplicate]
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 ...
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2
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1
answer
5k
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Haproxy http response timeout check
We use haproxy as http load balancer. Sometimes one of our servers stop responding while accepting http connection requests. So stats page displays servers as green "accessible" but our nagios server ...
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0
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982
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Fail2ban floods and slow response time
I tried searching for this; I found many people asking but I wasn't successfully to find a working (for me) solution.
I have an application that logs each connection on a custom log file.
When ...
3
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0
answers
1k
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Performance counter to show real IIS response time
What performance counter should I use to display current average IIS response time? ASP.NET counters correctly show the time spent in ASP.NET, but real latency is much bigger, which is confirmed by ...
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1
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2k
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Debugging slow server response time [closed]
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.
...
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1
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3k
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Docker debian slow dns resolve
I got terribly slow dns resolve inside my ubuntu when using wget or curl, apt-get,...
root@815340a37f0e:/# time curl www.google.com
...
real 0m5.132s
user 0m0.006s
sys 0m0.003s
When I do ...
- 163
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1
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70
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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?
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843
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Too many httpd processes running and Solaris OS hangs
I have have a Web server Apache installed on Solaris V.10. The server behavior becomes unusual when Apache is started. The CPU usage becomes 96% and slowly the server becomes unresponsive,and when I ...
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2
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2k
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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 ...
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5
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1
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164
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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.
...
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3
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3k
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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 XXX.XXX.XXX....
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4
answers
11k
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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 ...
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1
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1
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180
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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 ...
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1
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3k
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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 ...
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4
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5k
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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 (...
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1
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133
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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
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2
answers
2k
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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 ...
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2k
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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 ...
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2
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372
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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, ...
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1
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2k
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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 ...
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178
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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 ...
- 241
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2
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531
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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 ...
- 900
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1
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193
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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: http://neilmiddleton.com/the-...
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3
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12k
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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 ...
- 81
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3
answers
3k
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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 ...
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4
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3
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17k
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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 ...
- 149
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1
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2k
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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 ...
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4
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42k
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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 ...
- 261
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2
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5k
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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.
...
- 153
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566
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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 ...
- 101
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3
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3k
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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,...
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499
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Any open source passive monitoring tool like ClientVantage [closed]
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 ...
- 145
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4
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1k
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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?
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3
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2k
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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. However,...
- 990
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3
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3k
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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.
...
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