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当我停止仍然连接到某些会话的HAWQ实例时，它无法停止并显示“hawq stop -a”。“hawq stop -M immediate”和“hawq stop -M fast”有什么不同？
$ hawq stop cluster -a
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[INFO]:-Prepare to do 'hawq stop'
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[INFO]:-You can find log in:
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[INFO]:-/Users/wangchunling/hawqAdminLogs/hawq_stop_20160701.log
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[INFO]:-GPHOME is set to:
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[INFO]:-/usr/local/hawq
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[INFO]:-Stop hawq with args: ['stop', 'cluster']
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[INFO]:-No standby host configured
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[INFO]:-Stop hawq cluster
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[INFO]:-There are 1 connections to the database
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[WARNING]:-There are other connections to this instance, shutdown mode smart aborted
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[WARNING]:-Either remove connections, or use 'hawq stop master -M fast' or 'hawq stop master -M immediate'
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[WARNING]:-See hawq stop --help for all options
20160701:10:02:09:032804 hawq_stop:ChunlingdeMacBook-Pro:wangchunling-[ERROR]:-Active connections. Aborting shutdown...
那么“hawq stop -M immediate”和“hawq stop -M fast”之间有什么不同？
http://hdb.docs.pivotal.io/20/reference/cli/admin_utilities/hawqrestart.html –
谢谢您指出！ –