该方法首先检查是否存在有效的全局默认 SparkSession,如果存在,则返回那个。如果不存在有效的全局默认 SparkSession,该方法会创建一个新的 SparkSession 并将新创建的 SparkSession 分配为全局默认值。 (2)实例 from pyspark.sql import SparkSession s1 = SparkSession.builder.config("k1", "v1").getOrCreate() ...
*/ InputStream in = ConfigurationManager.class .getClassLoader().getResourceAsStream("my.properties"); /** * 调用Properties的load()方法,给它传入一个文件的InputStream输入流 * 即可将文件中的符合“key=value”格式的配置项,都加载到Properties对象中 * 加载过后,此时,Properties对象中就有了配置文件中所...
if executor_mem is not None and driver_mem is not None: conf = spark.sparkContext._conf.setAll([('spark.executor.memory',executor_mem),('spark.driver.memory',driver_mem)]) spark.sparkContext.stop() spark = SparkSession.builder.config(conf=conf).getOrCreate() else: spark = spark Don...
本文简要介绍 pyspark.sql.SparkSession.builder.config 的用法。 用法: builder.config(key=None, value=None, conf=None)设置一个配置选项。使用此方法设置的选项会自动传播到 SparkConf 和SparkSession 自己的配置。2.0.0 版中的新函数。参数: key:str,可选 配置属性的键名字符串 value:str,可选 配置属性的...
# Spark 相关配置spark{master="local[2]"streaming.batch.duration=5001// Would normally be `ms` in config but Spark just wants the LongeventLog.enabled=trueui.enabled=trueui.port=4040metrics.conf=metrics.properties checkpoint.path="/tmp/checkpoint/local"stopper.port=12345spark.cleaner.ttl=3600spar...
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public abstract BigDataPoolResourceInfo.DefinitionStages.WithCreate withSparkConfigProperties(SparkConfigProperties sparkConfigProperties) 指定sparkConfigProperties 属性:Spark 池配置属性 用于指定其他属性的 Spark 配置文件。 Parameters: sparkConfigProperties - Spark 池配置属性 用于指定...
Engine will throw OutOfMemoryErrors as soon as a graph is needed which doesn't fit in memory anymore. A value of 0.7 means the engine keeps all graphs in memory as long as total memory consumption is below 70% of total available memory, even if there is currently no session using them...
Even in the conf you should provide full path or relative path for the .conf file. Also, when you create SparkConf I see that you are not applying it to the current SparkSession. import org.apache.spark.SparkConf import org.apache.spark.sql.SparkSession object Driver exten...