spark R 源码
spark R 代码
文件路径：/core/src/main/scala/org/apache/spark/internal/config/R.scala
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.internal.config
private[spark] object R {
val R_BACKEND_CONNECTION_TIMEOUT = ConfigBuilder("spark.r.backendConnectionTimeout")
.version("2.1.0")
.intConf
.createWithDefault(6000)
val R_NUM_BACKEND_THREADS = ConfigBuilder("spark.r.numRBackendThreads")
.version("1.4.0")
.intConf
.createWithDefault(2)
val R_HEARTBEAT_INTERVAL = ConfigBuilder("spark.r.heartBeatInterval")
.version("2.1.0")
.intConf
.createWithDefault(100)
val SPARKR_COMMAND = ConfigBuilder("spark.sparkr.r.command")
.version("1.5.3")
.stringConf
.createWithDefault("Rscript")
val R_COMMAND = ConfigBuilder("spark.r.command")
.version("1.5.3")
.stringConf
.createOptional
}
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