bq. It took about 6h to complete. If the above behavior is reproducible, we should investigate more deeply.
Thanks for sharing. On Tue, Jan 1, 2013 at 6:14 PM, Jean-Marc Spaggiari <[email protected] > wrote: > Yes, I'm running on 0.94.3. The last major compaction ran yesterday. > It's almost daily. That's why I was surprise it took so long. I mean, > I'm only compacting regions who moved. So it should be pretty quick. > But was not the case. It took about 6h to complete. Strange. Maybe > something went wrong when I stopped/started hbase. > > also, there was almost no activity on the network nor on the CPUs. I > will have to add disks monitoring on Ganglia to see if I was limited > by IOs... > > I looked at the regions logs and everything was fine. It was showing > some compaction information every few seconds. > > JM > > 2013/1/1, Ted <[email protected]>: > > You're on hbase 0.94.3 , right ? > > > > When was the last time major compaction ran ? > > > > Compaction is region server activity so you should be able to find some > clue > > in region server log. > > > > Cheers > > > > On Jan 1, 2013, at 11:42 AM, Jean-Marc Spaggiari < > [email protected]> > > wrote: > > > >> Hi, > >> > >> I have a table, with about 200 000 raws, keys is string[64] (ish) and > >> value is string[512]. > >> > >> It's splitted over 16 regions located on 7 regionservers. > >> > >> So it's not a big table, and there is a lot of horsepower behind it. > >> > >> I asked a major_compaction few hours ago. Let's say, about 5 hours > >> ago. and it's still compacting! But all servers activities seems to be > >> null. CPU usage is almost 0. > >> > >> There is nothing on the master logs. > >> > >> How can I see what's going on? Is there a way to see the compaction > >> queue? > >> > >> JM > > >
