My feeling is the same as others. It is nice, but I always dig into logs instead.
+1 on dropping it for now. JG On Thu, September 17, 2009 11:04 pm, stack wrote: > Its a sweet feature, I know how it works, but I find myself never really > using it. Instead I go to logs because there I can get a more > comprehensive picture than historian can give me (Historian doesn't show > region close IIRC because its awkward logging the close event -- possible > deadlocks). Meantime its caused us various grief over time getting its > events into the historian column family in the .META. table. > > I'm +1 for dropping it till there is more call for this kind of feature. > > > Good stuff, > St.Ack > > > > > > On Thu, Sep 17, 2009 at 5:38 PM, Jean-Daniel Cryans > <jdcry...@apache.org>wrote: > > >> Hi users, >> >> >> The Region Historian (the page in the web UI that you get when you >> click on a region name) has been in use since HBase 0.2.0 and it caused >> more than its share of problems. Furthermore, we had to cripple it in >> many ways to make some things work, the main issue being that the >> historian is kept in .META. so operations on that catalog table were >> sometimes blocked. >> >> We are planning to disable it for 0.20.1 and 0.21.0 until we come up >> with a better solution. Is anybody using it? If so, would losing the >> historian be a big deal for you? Your input would be much appreciated. >> >> Thx, >> >> >> J-D >> >> >