-EOF-
检查数据倾斜分布(二)
manager_table] skew info: [table_totalrows:83, maxskew:seg-sdw16, rows-3 0.036144578313
25301205, minskew:seg-sdw2, rows-1 0.01204819277108433735]
(1 row)
bigdatagp=# select gpmg.data_skew('gpmg.func_log');
data_skew
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------
GP hava 64 instances, Standard skew is 0.01562500000000000000. You Table [gpmg.func_log] skew info: [table_totalrows:53708, maxskew:seg-sdw10, rows-907 0.016887614508
08073285, minskew:seg-sdw7, rows-773 0.01439264169211290683]
(1 row)
2014-10-14 09:53:00
-EOF-
-EOF-