Restriction

Last Updated: Dec 11, 2017

Now, the application limits of MaxCompute incude:

  • The length of string column in MaxCompute table cannot exceed 2 MB.
  • The quantity of resources referenced by single task cannot exceed 512 and the partition table is calculated as one unit.
  • The total size of resources referenced by single task cannot exceed 64 MB.
  • The inputs and outputs of single task cannot exceed 128 respectively.
  • The quantity of Counter defined in single task cannot exceed 64.
  • The size of memory occupied by single Map or Reduce worker defaults to 2048 and the rangle is [256 MB, 12 GB].
  • The times of single Map or Reduce Worker reading a resource limit to <=64.
  • In local running mode, the number of Map Worker and Reduce worker cannot exceed 100. The default downloaded record number of one input is 100.
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