关于Hadoop配置Kerberos后ticket生命周期的问题

stackoverflow上有两篇比较好的回答

java - Should I call ugi.checkTGTAndReloginFromKeytab() before every action on hadoop? - Stack Overflow

HBase Kerberos connection renewal strategy - Stack Overflow

另外cloudera的官方文档上也有一些说明,但很简陋

Configuring the HBase Client TGT Renewal Period

Configuring Spark on YARN for Long-Running Applications

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