Github user revans2 commented on a diff in the pull request:

    https://github.com/apache/storm/pull/396#discussion_r26242669
  
    --- Diff: storm-core/src/storm.thrift ---
    @@ -205,7 +205,8 @@ struct ExecutorSummary {
       2: required string component_id;
       3: required string host;
       4: required i32 port;
    -  5: required i32 uptime_secs;
    +  5: required i32 process_id;
    --- End diff --
    
    You cannot change a thrift ID like this.  It breaks backwards compatibility 
too much.  Please make sure that you add new tags instead of changing existing 
ones.  It is also usually preferable to make the new tag optional, so you can 
have forward and backwards compatibility.


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