Out of memory due to hash maps used in map-side aggregation解决办法

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Hive ERROR: Out of memory due to hash maps used in map-side aggregation

什么时候hive在运行大数据量的统计查询语句时.常常会出现以下OOM错误.详细错误提演示样例如以下: Possible error: Out of memory due to hash maps used in map-side aggregation. Solution: Currently hive.map.aggr.hash.percentmemory is set to 0.5. Try setting it to a lower value. i.e 'set hive.map.agg…

Out of memory due to hash maps used in map-side aggregation解决办法

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mysql 错误 ERROR 1372 (HY000): Password hash should be a 41-digit hexadecimal number 解决办法

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用链表和数组实现HASH表，几种碰撞冲突解决方法

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Eclipse 关于“The type * is not accessible due to restriction on required library”问题的解决办法

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PHP运行错最有效解决办法Fatal error: Out of memory (allocated 786432) (tried to allocate 98304 bytes) in H:\freehost\zhengbao2\web\includes\lib_common.php on line 744

原文 PHP运行错最有效解决办法Fatal error: Out of memory (allocated 6029312) Fatal error: Out of memory (allocated 786432) (tried to allocate 98304 bytes) in H:\freehost\zhengbao2\web\includes\lib_common.php on line 744疑问:786432 是指786432bytes?即:768MB 98304 bytes=9…