cluster-computing

R: Startup script on cluster

耗尽温柔 提交于 2020-04-30 06:09:42
问题 I would like R to run a script anytime I start up R. I am using R on a Linux cluster and I do not have access to R installation and the .Rprofile file and I cannot find it either. I can run R and have my local packages/libraries. For example, I would like to set the lib paths each time R is started. .libPaths("path") Is it possible to define and set a path for a custom startup script file? In a non-interactive session, I could do in Bash something like Rscript script.R and my script.R has

How to use Leaflet.Clusters with tow maps in tabs and multiples geoJson categories markers?

血红的双手。 提交于 2020-04-16 05:47:17
问题 I'm here because I read this topic and this one I'm looking for some help to use the SubGroup plugin. I'm building a map like this var cartoDb = L.tileLayer('https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}{r}.png', { attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors © <a href="https://carto.com/attributions">CARTO</a>', subdomains: 'abcd', maxZoom: 19 }); then I'm adding code for custom markers, like this var ccl18Icon = L.AwesomeMarkers

How to connect front to back in k8s cluster internal (connection refused)

喜欢而已 提交于 2020-04-14 07:36:14
问题 Error while trying to connect React frontend web to nodejs express api server into kubernetes cluster. Can navigate in browser to http:localhost:3000 and web site is ok. But can't navigate to http:localhost:3008 as expected (should not be exposed) My goal is to pass REACT_APP_API_URL environment variable to frontend in order to set axios baseURL and be able to establish communication between front and it's api server. deploy-front.yml apiVersion: apps/v1 # for versions before 1.9.0 use apps

How to connect front to back in k8s cluster internal (connection refused)

為{幸葍}努か 提交于 2020-04-14 07:36:12
问题 Error while trying to connect React frontend web to nodejs express api server into kubernetes cluster. Can navigate in browser to http:localhost:3000 and web site is ok. But can't navigate to http:localhost:3008 as expected (should not be exposed) My goal is to pass REACT_APP_API_URL environment variable to frontend in order to set axios baseURL and be able to establish communication between front and it's api server. deploy-front.yml apiVersion: apps/v1 # for versions before 1.9.0 use apps

How to use clusters in node js?

六眼飞鱼酱① 提交于 2020-04-13 06:46:11
问题 I am very new to Node.js and express. I am currently learning it by building my own services. I recently read about clusters. I understood what clusters do. What I am not able to understand is how to make use of clusters in a production application. One way I can think of is to use the Master process to just sit in front and route the incoming request to the next available child process in a round robin fashion. I am not sure if this is how it is designed to be used. I would like to know how

Trying a quick cluster deployment with Docker:Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

安稳与你 提交于 2020-02-06 11:11:26
问题 I found that DolphinDB now supports a quick cluster deployment with docker containers and I followed the guide on github: https://github.com/dolphindb/Tutorials_CN/blob/master/docker_deployment.md to deploy a cluster with DolphinDB Docker package. But I encountered a problem. I looked at any other questions but can't find my own solution. Here is the problem: xllu@xllu-OptiPlex-7060:~/DolphinDB-Docker-Compose/Dockerbuild$ docker -v Docker version 18.09.3, build 774a1f4 xllu@xllu-OptiPlex-7060

loading library on cluster

无人久伴 提交于 2020-02-05 08:02:07
问题 I successfully compiled a program in c++, with boost, on a cluster we have here. I need to run an SGE script to run the simulation. The error I get is this ./main: error while loading shared libraries: libboost_thread.so.1.45.0: cannot open shared object file: No such file or directory Do I need to specify the name of the library when I launch the program? The script I used is below #!/bin/sh # (c) 2008 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. # This is a

Is there a way to make a specific key locate on a specific redis instance in cluster mode?

柔情痞子 提交于 2020-02-04 02:51:10
问题 I want to make my multi-locks locate on different redis instances. I find out that redission can specify an instance to execute command on, but if the command is key-related, the instance specified will transmit the command to another instance. Can you give me some advice? 回答1: You can, but it's not trivial. First of all, Redis uses curly braces in the key to determine the sharding part of it, so you can decide to modify a key and send it to an arbitrary shard. Now, you need two things: A map

Reset Kubernetes cluster

北城余情 提交于 2020-01-30 08:51:05
问题 I have six desktop machines in my network and I want to build two Kubernetes clusters. Each machine has Ubuntu 16.04 LTS installed. Initially, all the machines were part of a single cluster. However, I removed three of the machines to setup another cluster, and executed the following command on each of these machine: RESET COMMAND: sudo kubeadm reset -f && sudo systemctl stop kubelet && sudo systemctl stop docker && sudo rm -rf /var/lib/cni/ && sudo rm -rf /var/lib/kubelet/* && sudo rm -rf

How to set permissions on MSMQ Cluster queues?

纵然是瞬间 提交于 2020-01-24 21:25:10
问题 I've got a cluster with functioning private MSMQ 3.0 queues. I'm trying to programmatically set the permissions, but can't seem to connect via System.Messaging on the queues. The code below works just fine when working with local queues (and using .\ nomenclature for the local queue). How to programmatically set the permissions on the clustered queues? Powershell code executed from the active node function set-msmqpermission ([string] $queuepath,[string] $account, [string] $accessright) { if