
spark
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pilaf1990
操千曲而后晓声,观千剑而后识器~
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解决Spark standalone部署模式cores为0的问题
在docker中运行spark程序,发现docker日志打印如下内容:[Timer-0] o.a.spark.scheduler.TaskSchedulerImpl : Initial job has not accepted any resources; check your cluster UI to ensure that workers are registered and ha...原创 2018-09-28 11:15:32 · 1381 阅读 · 0 评论 -
解决Spark Arrays.toString(Dataset.collect())报错
以前用java.util.Arrays.toString(Dataset.collect())的时候是可以输出的,不知为何,今天编译的时候报了错误:[INFO] -------------------------------------------------------------[ERROR] /var/lib/jenkins/workspace/streamer-dev/streamer...原创 2018-10-10 20:08:03 · 1214 阅读 · 0 评论