HBase 0.20.5 has been released. You can try to reproduce the problem for 0.20.5
On Thu, Jul 1, 2010 at 7:06 AM, Schlesiger, Chris (Civ, ARL/CISD) < [email protected]> wrote: > Classification: UNCLASSIFIED > Caveats: NONE > > I'm having a strange issue that I need some help with. > > I'm running a hadoop cluster with 1 name server, 26 data nodes, 1 > zookeeper server, 1 hmaster, and 26 region servers with Hadoop 0.20.1 > and Hbase 0.20.4. > > I have a java program inserting rows from raw xml files into HBase. I've > run it a few times and I keep running into this issue. My program > reports no errors when inserting the rows and column families. No > exceptions are raised. However, when I go into the hbase shell and count > the rows I've just inserted, it reports 0 rows. > > My program is not complicated. It's just opening an parsing an xml file, > looping through using the same HTable object and creating Put objects > and adding the data, and putting it in. I'm also using Get objects to > check for duplicates before doing the Put, all using the same HTable. > Seems straightforward to me. > > Last night I imported 246K rows, and this morning the shell says there > are still 0 rows. I've used hadoop to browse the Hbase folder and the > folder for my table exists and definitely does contain the folders for > my column families and there are large files there which would indicate > that the data is present in Hadoop, but HBase is still reporting no > data. I've run major_compact on .META. and my table to no avail. > > I've looked at the hmaster log, and I think I tracked down the right > hregion log (based on what the hbase web page says is running for that > table) and I see no exceptions. I'm still on the default log levels of > info and debug as installed by Hbase. > > I'm totally mystified. Has anyone seen anything similar to this and has > an idea what to look for? I haven't posted the logs anywhere yet because > that's a bit tricky for me to get them out of the lab (we're running > standalone, not connected to the net). > > Thanks for any help in advance > > Chris Schlesiger > [email protected] > Electronics/Software Engineer > U.S. Army Research Lab > > Classification: UNCLASSIFIED > Caveats: NONE > > >
