Failed to execute goal org.apache.maven.plugins:maven-shade-plugin:2.0:shade (default) on project QMServer: Execution default of goal org.apache.maven...
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其他好文 时间:
2014-09-11 16:58:02
阅读次数:
233
hive中删除表的错误Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException
FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:javax.jdo.JDODataStoreException: Iteration request failed :...
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其他好文 时间:
2014-09-10 00:28:59
阅读次数:
748
-v var=val --assign var=val Assign the value val to the variable var, before execution of the program begins. Suc...
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其他好文 时间:
2014-09-09 17:56:49
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202
Pointcut 是指那些方法需要被执行"AOP",是由"Pointcut Expression"来描述的.Pointcut可以有下列方式来定义或者通过&& || 和!的方式进行组合.args()@args()execution()this()target()@target()within()@wi...
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其他好文 时间:
2014-09-09 15:36:58
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350
ProblemWhile indexes can speed up execution of queries several fold as they can make the querying process faster, there is overhead associated with th...
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数据库 时间:
2014-09-09 15:23:08
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376
A processing core comprising instruction execution logic circuitry and register space. The register space to be loaded from aVMCS, commensurate with a...
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其他好文 时间:
2014-09-07 10:57:05
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256
多线程设计模式:1.Single Threaded Execution Pattern[同一时刻只允许一个线程操作]比喻:三个挑水的和尚,只能同一时间一个人过桥,不然都掉河里喂鱼了。总结:在多个线程同时要访问的方法上加上synchronized关键字。2.Immutable Pattern[变量赋值...
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编程语言 时间:
2014-09-07 03:16:34
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216
>>>>>>>>> rman_archivelog.bat >>>>>>>> execution script: delete.rmn <<<<<<run{allocate channel t1 device type disk;delete noprompt archivelog until ti...
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数据库 时间:
2014-09-05 10:01:01
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289
原文地址:http://www.cplusplus.com/reference/thread/thread/join/
public member function
std::thread::join
void join();
Join thread
The function returns when the thread execution ha...
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编程语言 时间:
2014-09-04 11:50:40
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217
一、几个可能会用到的属性值 1、mapred.map.tasks.speculative.execution和mapred.reduce.tasks.speculative.execution 这两个属性可以决定Map任务和Reduce任务是否开启推测式执行策略。推测式执行策略在Hadoop中用.....
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其他好文 时间:
2014-09-03 19:48:07
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358