heartbeat Questions

2

The native rabbitmq client for java allows to setup heartbeat on connection settings, for example like this: import com.rabbitmq.client.ConnectionFactory; ... ConnectionFactory connectionFactory...
Jocose asked 10/11, 2015 at 14:40

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For a SaaS product which provide its services via REST API, is it a standard requirement to have a heartbeat API? I have a debate on this subject at work, in my point of view, the heartbeat API i...
Embryo asked 10/9, 2019 at 16:26

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There are several questions here in SO about RabbitMQ heartbeat but I haven't found one addressing how to actually change the default heartbeat value of 60 seconds (580 seconds in previous versions...
Crosier asked 4/7, 2019 at 11:16

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I need to implement a heartbeat system on my Java project (3-5 Clients with 1 server for them) but I have some questions. 1) Do I need to have 2 sockets by clients ? 1 for the heartbeat and 1 to r...
Fikes asked 23/11, 2015 at 10:44

1

I am able to access Heart Rate of User using Optical Heart rate Sensor using SensorEventListener: sensorManager.registerListener(this, sensorManager.getDefaultSensor(Sensor.TYPE_HEART_RATE), Sen...
Reactant asked 22/11, 2017 at 21:42

2

I am trying to create an application which can detect heartbeat using your computer webcam. I am working on the code since 2 weeks and developed this code and here I got so far How does it works? ...
Exothermic asked 5/12, 2014 at 6:52

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I have a rabbitmq server and a amqp consumer (python) using kombu. I have installed my app in a system that has a firewall that closes idle connections after 1 hour. This is my amqp_consumer.py: ...
Caloric asked 18/11, 2015 at 17:29

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I am trying to implement a heartbeat call that works in the background. How do I create a threaded on interval call of say every 30 seconds, which calls the following function: self.mqConn.heartbe...
Estreat asked 21/4, 2015 at 10:17

11

ZooKeeper is a highly available coordination service for data centers. It originated in the Hadoop project. One can implement locking, fail over, leader election, group membership and other c...

2

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I am trying to measure Heart Beat using the camera in android device. As far as i see, Placing your finger tip on the camera lens and watching the changes in frames in camera. I have tried the app...
Sadesadella asked 22/5, 2015 at 10:52

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I have a process that's running on a Linux computer as part of a high-availability system. The process has a main thread that receives requests from the other computers on the network and responds ...
Crankpin asked 5/5, 2015 at 19:15

1

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I have a Dealer socket in client side, who is connected to Router socket in server side. I often see Heartbeating mechanism : the server regularly send message to the client in order that client k...
Papyraceous asked 24/4, 2015 at 8:28

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I'm trying to access the heart rate monitor of a Samsung Gear Live watch. The watch is paired with a 4.4.4 handset and works correctly. I'm following the official BasicSensorsApi sample. I can suc...
Dyedinthewool asked 8/11, 2014 at 21:44

0

I am searching for a library to detect heart beats using an android phone's camera. As far as i see, apps with this capability use two ways: Placing your finger tip on the camera lens and w...
Pantheas asked 20/8, 2014 at 14:34

1

I am working on application in which I have to read heart beat till one minute and calculate heart rate variability from it. for reading heart beat I am using strap(Polar) Heart beat reading code...
Standby asked 8/7, 2014 at 5:1

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I have never heard of the heartbeat until the heartbleed bug. I wonder what is the difference between this and a ping, and if there are other signals to manage the connection (also, which are not d...
Slum asked 20/4, 2014 at 13:48

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https://www.rfc-editor.org/rfc/rfc6520 does not explain why a heartbeat request/response round-trip is supposed to contain a payload. It just specifies that there is room for payload and that the r...
Seed asked 10/4, 2014 at 10:44

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I have a toy Netty server and am trying to send heartbeat messages to clients when nothing has happened on their channels. I am testing this by telnetting to the server, writing a message and then ...
Glamorize asked 15/2, 2012 at 7:44

5

So, I have an application in Python, but I want to know if the computer (which is running the application) is on, from another remote computer. Is there any way to do this? I was thinking to use U...
Diuretic asked 16/7, 2013 at 17:6

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I wish to make an AJAX call using jQuery as a "heartbeat" in the background so that my web application can check for new data. For example every 10 seconds. I have seen on other posts that it is p...
Jilli asked 6/12, 2012 at 17:29

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Hey gang. I have just written a client and server in C++ using sys/socket. I need to handle a situation where the client is still active but the server is down. One suggested way to do this is to u...
Kathrinkathrine asked 30/1, 2009 at 15:32

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This exact code doesn't work, but, I was hoping something like it was: io.sockets.on('connection', function(socket) { socket.on('heartbeat', function() { // Do something here... }); }); Is so...
Procambium asked 11/7, 2012 at 19:37

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I'm trying to set up a node.js server, using socket.io. The problem I'm seeing is that my server is disconnecting+reconnecting the client every 25 seconds. Here's my server code: var io = require...
Resuscitate asked 5/3, 2012 at 9:55

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I'm doing a final year project at university which involves making a medical application for Android, as a practice I have to make a heart rate monitor app. I have worked out that the best way to ...
Reduction asked 6/9, 2011 at 12:45

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Thread A is summing up data passed from 10 clients. while(true){ Socket clientfd= server.accept (); BufferedReader message = new BufferedReader(new InputStreamReader (clientfd.getInputStream() ...
Meat asked 31/7, 2011 at 1:25

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