I might attach to the secondary in the debugger so I can catch more details tomorrow.
On Tue, Oct 13, 2009 at 11:08 PM, Jason Venner <[email protected]>wrote: > That is the entire log message, > The only way to get the actual error is via tcpdump and packet reassembly > > I can't find a getImage log messages on the namenode, they would be in the > jetty error log, but I think that is set to /dev/null. > > > > > On Tue, Oct 13, 2009 at 10:57 PM, Raghu Angadi <[email protected]> wrote: > >> >> It should not be very sensitive to drift. I think timestamp is meant >> mostly as an increasing number. implementation might have a bug. will check. >> >> >> Could paste a larger portion of the log? >> >> Raghu. >> >> On Tue, Oct 13, 2009 at 10:47 PM, Jason Venner <[email protected]>wrote: >> >>> The actual body of the error contains a statement to the effect that the >>> >>> Namenode has an edit log with timestamp of ..... but new checkpoint >>> was created using editlog with timestamp .... >>> >>> This is from FSImage.validateCheckpointUpload. The drift is about the >>> difft in time in the edit logs. >>> >>> THe unique situation in my experience here is that one of the >>> dfs.name.dir directories is on an nfs mounted file system, and that >>> particular file has a mode time that is often 0.5+/-0.5 seconds different. >>> >>> Any simple fixes? Even with the best ntp, we are going to be +/- a few >>> msec and the test in validateCheckpointUpoad is exact equals comparison. >>> The other thing that confuses me is why, the time stamp is differenet, >>> the code from a reading, appears to always pick the same file for modtime >>> comparisons. >>> -- >>> Pro Hadoop, a book to guide you from beginner to hadoop mastery, >>> http://www.amazon.com/dp/1430219424?tag=jewlerymall >>> www.prohadoopbook.com a community for Hadoop Professionals >>> >> >> > > > -- > Pro Hadoop, a book to guide you from beginner to hadoop mastery, > http://www.amazon.com/dp/1430219424?tag=jewlerymall > www.prohadoopbook.com a community for Hadoop Professionals > -- Pro Hadoop, a book to guide you from beginner to hadoop mastery, http://www.amazon.com/dp/1430219424?tag=jewlerymall www.prohadoopbook.com a community for Hadoop Professionals
