Re: Question re: Concurrency

2014-10-14 Thread Bing Jiang
conf/hive-default.xml.template: hive.support.concurrency conf/hive-default.xml.template- false Hive does not support this feature as default. But you can enable it thru some settings. 2014-10-14 10:38 GMT+08:00 Time Less : > I am looking at this page: > https://cwiki.apache.org/confluence/di

Question re: Concurrency

2014-10-13 Thread Time Less
I am looking at this page: https://cwiki.apache.org/confluence/display/Hive/Locking I have two questions. First, what is the shared/exclusive locking behaviour of "alter table T1 partition(P1) concatenate"? It seems likely it should be the same as for touch partition. And see this quote (emphasis