Thank you Doug, for the hard work! --Naveen founder & ceo, campfire labs. 415 425 5412. We're hiring! http://www.campfirelabs.com/jobs
On Fri, Mar 18, 2011 at 6:10 PM, Doug Judd <[email protected]> wrote: > We've found part of the problem. In an attempt to fix a RangeServer > shutdown hang problem, I made a change to the CommitLog destructor to close > the commit log fragment asynchronously. This introduced a race condition > since the CommitLog class is also used for the split log and under certain > conditions, the log would be read by the receiving range server _before_ the > asynchronous close operation completed. The split log would appear to be > empty, even though it contained valid commits, which caused all of those > commits to disappear. > > Unfortunately, we've also noticed a similar symptom (though much more > infrequently), in a prior commit. We've built tools to diagnose the problem > and we're running tests this weekend. We should have some more results by > Monday. My apologies to those of you who have been waiting on this release. > We're on this 100% and are doing everything we can to get to the bottom of > it as soon as possible. > > - Doug > > On Tue, Mar 15, 2011 at 10:10 AM, Doug Judd <[email protected]> wrote: > >> This is an update on the status of the 0.9.5.0 pre-release. This release >> is aimed at fixing the stability problems that have been reported under >> certain scenarios. It has involved some major code changes, including a >> re-write of the client scanner logic and a complete overhaul of the master. >> We're essentially "code complete" on the release, but a showstopper bug >> (data loss) turned up in our final testing. We're in the process of >> isolating the commit that introduced the bug, but it's slow going, taking >> about 2-4 hours to reproduce. We'll keep you updated on our progress. >> >> - Doug >> >> > -- > You received this message because you are subscribed to the Google Groups > "Hypertable Development" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/hypertable-dev?hl=en. > -- You received this message because you are subscribed to the Google Groups "Hypertable Development" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/hypertable-dev?hl=en.
