我的意图是在同一计算机/服务器上从R内启动两个或多个h2o群集/实例(不是两个或更多节点!)以使多个用户可以在h2o同一时间。此外,我希望能够分别关闭和重新启动集群,也可以从R内部单独重新启动集群。我已经知道我无法简单地从R内部控制多个h2o集群,因此我试图从命令行启动两个集群在Windows 10:从内部启动多个h2o群集
java -Xmx1g -jar h2o.jar -name testCluster1 -nthreads 1 -port 54321
java -Xmx1g -jar h2o.jar -name testCluster2 -nthreads 1 -port 54323
这对我工作得很好:
library(h2o)
h2o.init(startH2O = FALSE, ip = "localhost", port = 54321)
Connection successful!
R is connected to the H2O cluster:
H2O cluster uptime: 4 minutes 8 seconds
H2O cluster version: 3.8.3.2
H2O cluster name: testCluster
H2O cluster total nodes: 1
H2O cluster total memory: 0.87 GB
H2O cluster total cores: 4
H2O cluster allowed cores: 1
H2O cluster healthy: TRUE
H2O Connection ip: localhost
H2O Connection port: 54321
H2O Connection proxy: NA
R Version: R version 3.2.5 (2016-04-14)
h2o.init(startH2O = FALSE, ip = "localhost", port = 54323)
Connection successful!
R is connected to the H2O cluster:
H2O cluster uptime: 3 minutes 32 seconds
H2O cluster version: 3.8.3.2
H2O cluster name: testCluster2
H2O cluster total nodes: 1
H2O cluster total memory: 0.87 GB
H2O cluster total cores: 4
H2O cluster allowed cores: 1
H2O cluster healthy: TRUE
H2O Connection ip: localhost
H2O Connection port: 54323
H2O Connection proxy: NA
R Version: R version 3.2.5 (2016-04-14)
现在,我想通过该系统()命令来完成从R内部相同。
launchH2O <- as.character("java -Xmx1g -jar h2o.jar -name testCluster -nthreads 1 -port 54321")
system(command = launchH2O, intern =TRUE)
但我得到一个错误信息:
[1] "Error: Unable to access jarfile h2o.jar"
attr(,"status")
[1] 1
Warning message:
running command 'java -Xmx1g -jar h2o.jar -name testCluster -nthreads 1 -port 54321' had status 1
试图
system2(command = launchH2O)
我得到一个警告消息,我无法与群集连接:
system2(command = launchH2O)
Warning message:
running command '"java -Xmx1g -jar h2o.jar -name testCluster -nthreads 1 -port 54321"' had status 127
h2o.init(startH2O = FALSE, ip = "localhost", port = 54321)
Error in h2o.init(startH2O = FALSE, ip = "localhost", port = 54321) :
Cannot connect to H2O server. Please check that H2O is running at http://localhost:54321/
任何想法如何开始/ sh从R内部摧毁两个或两个以上的h2o群集? 提前谢谢!
注意1:我只使用我的本地Windows设备进行测试,实际上我想在Linux服务器上创建多个h2o群集。
注2:我用R GUI(3.2.5)和R Studio(版本0.99.892)试了一下,我把它们作为管理员运行。 h2o.jar文件位于我的工作目录中,我的Java版本是(Build 1.8.0_91-b14)。
注3:系统信息: - H2O & H2O [R包版本:3.8.3.2 - 视窗10家,版本1511 - 16 RAM,英特尔酷睿i5-6200U CPU采用2.30 GHz的
考虑运行linux,甚至作为VM客户。使用开源软件时,它通常可以提高生产力。只有当您部署到该平台时,IMO win开发机才有意义,即天蓝色。 – jangorecki