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From "Jaeho Shin (JIRA)" <>
Subject [jira] [Updated] (GIRAPH-905) Giraph Debugger
Date Fri, 30 May 2014 09:59:02 GMT


Jaeho Shin updated GIRAPH-905:

    Attachment: GIRAPH-905.patch

Here's a patch including all our work.  We realize this is a rather large patch.  The debugger
consists of four core pieces: 1) the instrumenter, 2) the GUI, 3) the code generator, and
4) the command-line interface, and this patch includes all those four.  We are open to ideas
on how to push this in pieces.  It works readily if you follow the instructions on our GitHub
wiki.  (We're still working on some parts of the documentation.)

> Giraph Debugger
> ---------------
>                 Key: GIRAPH-905
>                 URL:
>             Project: Giraph
>          Issue Type: New Feature
>            Reporter: Jaeho Shin
>         Attachments: GIRAPH-905.patch
> Four of us at Stanford (Vikesh Khanna, Semih Salihoglu, Jaeho Shin, and Brian Ba Quan
Truong) developed a debugger for Giraph, named Graft, and we hope to integrate our code into
Giraph trunk.  It is able to launch Giraph jobs in debugging mode to capture traces of certain
vertices and MasterCompute at particular supersteps, requiring almost no code change by the
user.  From the captured traces, it can generate JUnit tests to replicate the contexts under
which compute() function was running for the user to reproduce bugs.  You can read more about
it at our GitHub repository:

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