启动程序报错：
Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00000006fff80000, 2863661056, 0) failed; error=’Cannot allocate memory’ (errno=12)
#
There is insufficient memory for the Java Runtime Environment to continue. # Native memory allocation (malloc) failed to allocate 2863661056 bytes for committing reserved memory. # An error report file with more information is saved as: # /home/raini/IdeaProjects/spark_mllib/hs_err_pid19206.log
内存不足： 减少启动程序所需内存，或加大内存，如关闭一些程序。
关机给Linux虚拟机加大内存.
