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Questions tagged [keep-alive]

29 questions
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Ubuntu concurrent connections

I'm behind a proxy that is "Enterprise DDoS Protected". On a normal day with normal connections to all my servers the concurrent connections on the proxy is 17,000. Yes 17,000 is normal for the nature of my sites. 90% of the traffic is requesting…
Tabatha M
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Is it better to disable Keep-Alive in IIS 7 for high traffic web applications?

The advice below applies to Apache, but it seems generic enough to apply regardless of system. My architecture is 3 web servers behind a load balancer. My IIS servers currently have keep-alive enabled with the default connection timeout of 2…
dan
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Apache Config for High Page View, Long Session Users - KeepAlive and MaxRequest variables

I am currently running a web app that sees several (~15) users logging in once each day, and then leaving the web app open where it automatically refreshes with new content every 5 minutes. Each user tends to have it open for about 15-18…
JiminyCricket
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On Debian system, keepalived is consuming full cpu usage on both kibana nodes

I have master/slave kibana machines on Debian 10. From few days, cpu usage of keepalived daemon on both nodes are reaching to 100%. After keepalived restart it goes to normal, and this loops forever. I am not sure, what exactly is wrong with my…
Roushan Jha
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AWS ALB and HAProxy Keep-Alive header

Has any one come across this behavior? AWS ALB is sending traffic to HaProxy. HaProxy sets keep-alive header to 29 seconds. Client connected to ALB does not see this header. It can only see "Connection: keep-alive" header. Basically, ALB is…
Sameer Naik
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keepalive_disable parameters nginx for particular useragent/browsers

I am using keepalive_disable in nginx conf this requires for Syntax: keepalive_disable none | browser ...; Default: keepalive_disable msie6; Context: http, server, location Now i have two problems other than safari, msie6 i was not able to…
Shoaib
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Why does Amazon recommends reading 'all data' as soon as possible during S3 download?

While reading up official documentation on Amazon S3 Java SDK, I found an interesting note: Your network connection remains open until you read all of the data or close the input stream. We recommend that you read the content of the stream as…
Juzer Ali
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HTTP client leaking connections when keep-alive is enabled

I have set up an HTTP server for an embedded system to communicate with a known non-malicious remote client application. I have had to disable keep-alive support on my server, as the remote client application always requests keep-alive but never…
Nathan Owen
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how to emulate a browser that doesn't have "Keep alive"

I have a remote webserver listening on port 80, which serves a page which loads 100 individual .png files (from the same server and hostname) via 100 tags. On that remote server I do watch -n 1 "netstat -na | fgrep ":80 " | fgrep…
cherouvim
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Can keep alive be enabled over secure https?

I've been trying to enable Keep Alive on my https site with no luck. Is it possible? Sometimes I see on my test page it says "connection closed." Here's what I have in my htaccess right now that doesn't seem to work: Header set Connection…
Freejoy
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Scriptable FTPS client able to send Keep Alive to control port?

We need a FTP client that satisfies the following constraints: Windows Command-line scriptable, so we can automate it...sorry, FileZilla (?) FTPS, as it seems to perform better than SFTP The ability to send KeepAlive commands to the FTPS control…
iokevins
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keepAlive in Apache causing apache to reach its max_clients

I have an Apache 2.2 running on ubuntu 11.4 with 16Gb RAM, for image hosting from mobile phones through GPRS,since connection is slow i have enabled keepalive and set time out to 6,**based on average loading time.But usually even with 10-20 users…
ananthan
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How to add persistent connection support to a load-balanced HTTP webservice

We are working on an HTTP webservice load-balanced using haproxy. The webservice is accessed via SSL. It is a RESTful HTTP service and simply accepts JSON, does some work, and returns JSON. There is no notion of a session. We have redundant…
jkndrkn
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Nginx - Keepalive Connection Management

Use Cases we have a edge server (exposed to client), which is directly accepting connection requests from single or multiple clients edge server is proxy passing all the requests to internal upstream nginx server (app server) KeepAlive is on from…
vijay kumar
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