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Diffstat (limited to 'ChangeLog')
-rw-r--r-- | ChangeLog | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -1,5 +1,17 @@ --------------------------------------------------------------------------- Version 4.6.6 [v4-stable] (rgerhards), 2010-11-?? +- bugfix: imfile potentially duplicates lines + This can happen when 0 bytes are read from the input file, and some + writer appends data to the file BEFORE we check if a rollover happens. + The check for rollover uses the inode and size as a criterion. So far, + we checked for equality of sizes, which is not given in this scenario, + but that does not indicate a rollover. From the source code comments: + Note that when we check the size, we MUST NOT check for equality. + The reason is that the file may have been written right after we + did try to read (so the file size has increased). That is NOT in + indicator of a rollover (this is an actual bug scenario we + experienced). So we need to check if the new size is smaller than + what we already have seen! - bugfix: a couple of problems that imfile had on some platforms, namely Ubuntu (not their fault, but occured there) - bugfix: imfile utilizes 32 bit to track offset. Most importantly, |