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Questions tagged [heartbeat]

Heartbeat (as of version 3.x) is a cluster messaging layer, often combined with pacemaker as the cluster resource manager.

A detailed explanation, including historical notes, can be found at: http://www.linux-ha.org/wiki/Heartbeat

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Customize WebLogic's heartbeat message

I'm currently developing a system to ensure high performance, availability and scalability; fail-over and crash recovery on a WebLogic integration scenario. Does anybody know if it is possible to customize WebLogic's native heartbeat messages, to…
XpiritO
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SocketException, connect reset by peer. Weird behaviour when heartbeating server

Working on a client-server android application. The clients are polling the bufferedinputstream (in) for server messages, meanwhile also repeatedly checking if server is reachable so they can terminate instantly when server goes offline. try { while…
Cander
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UDP Based Server Can't Distinguish Different Users

This is a C++ server application which communicates with all clients based on UDP protocol. When a user logs into the server from client, the client application registers a UDP channel to the server and this channel is in fixed format: IP+Port,…
Wallace
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Do i have to maintain heart beating when using tcp?

one of the our distributed apps are using heart beat to detect the peer's disconnection(e.g. LAN line broken, etc) . is the heart beating necessary?
Benny
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Getting a HeartBeat from a C# Application and Posting it To Website

I've got a Minecraft Software written in C# that I want to send a heartbeat to my site. I've got the way to send the beat already written. if (Server.Uri == null) return; string uri = "http://GemsCraft.comli.com/Heartbeat.php"; //…
user2678408
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Detect when user exits the browser or tab and insert into database

I want to insert some data into database when user cuts/exits the browser or tab. This is the statement which I want to be executed.How is this possible _objQ117.insert();
Mangal Pandey
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Is there a way asterisk reconnect calls when internet connection is missed

For being specific, I am using asterisk with a Heartbeat active/pasive cluster. There are 2 nodes in the cluster. Let's suppose Asterisk1 Asterisk2. Eveything is well configured in my cluster. When one of the nodes looses internet connection,…
Carlos Daniel
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How to know if a Spring MDP Listener is Alive?

I have a Spring MDP listener deployed as a war that listens to a JMS queue and replies back for synchronous request-reply messages. What is the best way to monitor if the listener is alive ? Or think it more of how to set up a monitor for a web app…
Sri Harsha Yenuganti
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make install tries to copy a file twice

I'm trying to build a package from source. The ./configure and make steps work out, but sudo make install or sudo checkinstall results in an error: As we can see drbd is listed twice in the /usr/bin/install -c line. The problem is I don't really…
Pavel A
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Pacemaker resource stopping and starting between during state change

Observing resource being stopped and started while changing state from managed to unmanaged and reverse. mysql[20932]: 2012/09/01_11:17:03 INFO: MySQL started Is it normal or I need to look into any spcific config on my cluster. Running heartbeat…
Techfiz
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Speed Up Jquery heartbeats

I'm a pretty new programmer who made an application that sends out a heartbeat every 3 seconds to a php page and returns a value, the value of which decides which form elements to display. I've been fairly pleased with the results, but I'd like to…
Muhambi
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mysql Master-Master Replication or drdb heartbeat

Im db replication newbie. Im planing to add replication and failover features to our database system. I have read toons of docs talking about scale-out or scale-in db systems and im a bit confused. Currently i have only one data base stored in one…
user1654306
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Checking heartbeat of application

I want to implement the heartbeat for my application. In this module, my iOS app will send byte of data to my server at regular intervals. I need this as the server wants the ack from device for being in touch with server when it sends a…
Manmay
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Counting the Number of Online Users Using jQuery Heartbeat (or PHP)

I am currently using this php code to count the number of the users currently online: $session_id = session_id(); $time_stamp = time(); $time_limit = $time_stamp - 300; // We give the session only 5 minutes if it exists $result =…
user1008545
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How do I back up one standalone server to another in real-time?

I am in need of a failover environment where two servers are synchronized in real-time. I am working with two mini macs, and I have identified heartbeat and pacemaker as popular tools for monitoring if the failover environment needs to be brought…
user1075722
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