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Posted to dev@flume.apache.org by "hailinzeng (JIRA)" <ji...@apache.org> on 2014/04/01 12:38:14 UTC

[jira] [Created] (FLUME-2354) Fix possible race condition in Cursor

hailinzeng created FLUME-2354:
---------------------------------

             Summary: Fix possible race condition in Cursor
                 Key: FLUME-2354
                 URL: https://issues.apache.org/jira/browse/FLUME-2354
             Project: Flume
          Issue Type: Bug
          Components: Sinks+Sources
    Affects Versions: v0.9.5
            Reporter: hailinzeng


It is possible to seen a late modification timestamp change after file size has changed. 
// host-time file-size file-modified-time
// 12:00    50k    12:00
// 12:01    51k    12:00
// 12:02    51k    12:01 <- 
If this happens, and nothing new is written after sleepped 1s in line 293, Cursor will resetRAF and read this file from beginning again !



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