Changes between Initial Version and Version 1 of jazz/18-05-21


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Timestamp:
May 21, 2018, 2:28:24 PM (6 years ago)
Author:
jazz
Comment:

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  • jazz/18-05-21

    v1 v1  
     1= 2018-05-21 =
     2
     3== Spark ==
     4
     5常見問題：
     6{{{
     7java.lang.OutOfMemoryError: GC overhead limit exceeded
     8}}}
     9解法：調整 `spark.memory.fraction` 預設值為 0.6，下修可以增加 GC 頻率