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就像你启动 hadoop 或 hbase 时一样。您可以使用 jps 来检查 namenode、tasktracker 或 jobtracker 是否正在运行。是否有任何命令可以检查 impala 守护进程是否运行?
试试下面的命令:ps -ef | grep -i impalad.
ps -ef | grep -i impalad