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4
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0answers
68 views

Distributed Calculation of Geometric Distance between vectors

I am looking at a large scale low latency way to calculate the geometric distance between vectors. Let's say I have a vector A. It has size 128 and of type 32 bit float. I want to get it's geometric ...
4
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0answers
202 views

Open Grid Engine or Akka/Something more fault tolerant?

My use case is that I have a pipeline of independent, stand alone programs, that I want to execute in a certain order on specific pieces of data that are output from previous pipeline stages. The ...
2
votes
0answers
77 views

How do I take data offline for a specific tenant, if their data is spread across multiple databases and multiple microservices?

I'm working on an application with about 50 or so microservices that have separate multi-tenanted databases. The problem arose of taking a tenant's data offline meaning that any requests for a certain ...
2
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0answers
74 views

Error handling in distributed system

This is the common sequence of two distributed components in our Java application: 1 A sends request to B 2 B starts some job J in parallel thread 3 B returns response to A 4 A accepts ...
2
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0answers
150 views

Managing setTimeouts and setInterval in a distributed environment

I am building a turnbased game on nodejs using socket.io and redis as the datastore. I am planning on hosting the game on AWS opsworks with the ability to scale by adding more nodes. How should I ...
1
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0answers
21 views

Split long running work amongst multiple workers

I have a large number of rows in a database each containing a user specific token. For each token I need to maintain an open websocket connection. To scale this up I would like to run multiple ...
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0answers
94 views

Using a distributed system as an alternative to disk storage

So, one of the differences between "main memory" and disk storage is durability -- the data on hard disks will stay accessible and unaffected even if the host machine crashes or loses power. One can ...
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0answers
55 views

JavaBeans vs. ActiveX: Strategic analysis

JavaBeans and ActiveX both serve the same basic function: to facilitate communication among software components within framework "containers." These containers include Web browsers and other document ...
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0answers
118 views

How is ORB distinct from an endpoint?

What, fundamentally, am I misunderstanding about how to use appclient? The Application Client Container (ACC) includes a set of Java classes, libraries, and other files that are required for ...
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43 views

how to combine logs coming from multiple virtual machines for processing?

Scenario: Two virtual machines produce logs. I want these logs to be sent to a central server for processing (as soon as a line of these logs is generated-->streaming ). The condition here is that I ...
0
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0answers
72 views

How did “Stub” and “Skeleton” get their names?

In Java remote method invocation, the abstract method on the client-side is called "stub", which communicates with the "skeleton" on the server side and gets back the results. But why the names? For ...