啟動程序報錯：
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
內存不足： 減少啟動程序所需內存，或加大內存，如關閉一些程序。
關機給Linux虛擬機加大內存.