Shuai Wuyue

Running Mixed Workloads in StressMasterBench

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### What changes are proposed in this pull request? Currently, we can only execute a single workload in StressMasterBench, e.g., CreateFile. But in real world, workload are very complex which...

Add some unit tests for metadata sync metrics

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### What changes are proposed in this pull request? I add some UTs for metadata sync metrics. ### Why are the changes needed? To proof the correctness of the metrics....

Add a new operation in stressmasterbench to generate complex file tree

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### What changes are proposed in this pull request? Add a new operation, CreateKAryTree, in StressMasterBench for generating the complex file tree. This operation will create a number of files...

add a new operation CRURD for Correctness test

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### What changes are proposed in this pull request? add a new operation CRURD(Create -> Read -> Update -> Read -> Delete a file ) for Correctness test ### Why...

Improve PathUtils.findLowestCommonAncestor to save memory

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### What changes are proposed in this pull request? An ArrayList that will eventually be converted to an Array is used to hold the common components in `PathUtils.findLowestCommonAncestor()` . It...