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Commits on Sep 17, 2012
  1. @philippv @jdelong

    Histogram function to write tab-separated values.

    philippv committed with jdelong
    Summary: Export histograms in a tab-separated format.
    Test Plan: Used it.
    Reviewed By:
Commits on Aug 26, 2012
  1. @simpkins @tudor

    Add BucketedTimeSeries to folly

    simpkins committed with tudor
    Add the BucketedTimeSeries class to folly.  This tracks time series
    counter data, using a circular buffer of buckets to expire old data
    points as time progresses.
    It supports querying the overall sum, count, average, and rate for the
    duration of the time series, as well as estimating these values for
    portions of the overall duration.
    Test Plan: Unit tests included.
    Reviewed By:
    FB internal diff: D527040
  2. @tudor

    Task #906853: Implement ThreadLocalServiceData and reduce lock conten…

    Lee Hwa committed with tudor
    …tions during channel counter update
    Cache the counter updates on thread local data structures and aggregate/publish
    the data from a separate thread periodically. The ThreadLocalServiceData is
    implemented on top of the TLStats data structures.
    I am plannig to deploy a private build to production tomorrow to test this
    change in production, but figured it might be better to send the diff out first
    and get code review feedbacks at the same time.
    Test Plan: Run and pass unit tests. Run end-to-end testings on sandbox. (TBD)
    Deploy a private build to a production server and make sure the thrift call
    latency is reduced.
    Reviewed By:
    FB internal diff: D540239
Commits on Jun 2, 2012
  1. @jdelong
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