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    Allow users to profile a query and see bottleneck of the query · b135d01e
    Siying Dong 提交于
    Summary:
    Provide a framework to profile a query in detail to figure out latency bottleneck. Currently, in Get(), Put() and iterators, 2-3 simple timing is used. We can easily add more profile counters to the framework later.
    
    Test Plan: Enable this profiling in seveal existing tests.
    
    Reviewers: haobo, dhruba, kailiu, emayanke, vamsi, igor
    
    CC: leveldb
    
    Differential Revision: https://reviews.facebook.net/D14001
    
    Conflicts:
    	table/merger.cc
    b135d01e
merger.cc 7.6 KB