各种调度工具对比
下面的表格对上述四种hadoop工作流调度器的关键特征进行了比较，尽管这些工作流调度器能够解决需求场景基本一致，但在设计理念，目标用户，应用场景等方面还是存在显著的区别，在技术选型时可供参考
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xml |
xml（xpdl、based） |
text file with key/value pairs |
java API |
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data-driven |
explicit |
explicit |
explicit |
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no |
yes |
yes |
no |
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console/log message |
web page |
web page |
java API |
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no |
yes |
yes |
yes |
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command line utility |
daemon |
daemon |
api |
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yes |
yes |
yes |
yes |
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no |
no |
no |
yes |
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no |
yes |
yes |
no |
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0.18+ |
0.20+ |
currently unknown |
0.18+ |
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no |
workflow node evel |
yes |
yes |
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yes |
yes |
yes |
yes |
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yes |
no |
currently unknow |
yes |