We're particularly interested if you are up on 0.20.0. if a problem, it would be good to get a fix into 0.20.1 which should be out soon. Thanks, St.Ack
On Tue, Sep 29, 2009 at 8:45 PM, Yabo-Arber Xu <[email protected]>wrote: > Thanks for your prompt reply. Just now I have restarted the whole > cluster to continue my testing, and I will do as you suggested when > the lock repeats. > > Best, > Arber > > On Wed, Sep 30, 2009 at 11:31 AM, stack <[email protected]> wrote: > > Do you know the region? If so, find which server by grepping region in > > master log. Once you have that, thread dump the locked up regionserver. > > Make an issue and attach the thread dump then lets chat on it over there? > > Thanks, > > St.Ack > > > > On Tue, Sep 29, 2009 at 8:26 PM, Yabo-Arber Xu <[email protected] > >wrote: > > > >> Seems not a row locked, but the whole region. As any data request to a > >> particular block was suspended. Same thing happened on the other two > >> tables. Likely a dead lock happened somewhere, but i have no clue > >> where to find it... > >> > >> Best, > >> Arber > >> > >> > >> > >> On Wed, Sep 30, 2009 at 11:19 AM, stack <[email protected]> wrote: > >> > So, a row was locked? What do your programs do? Do they take out a > row > >> > lock? They do not free it? Maybe an error? > >> > St.Ack > >> > > >> > On Tue, Sep 29, 2009 at 6:59 PM, Yabo-Arber Xu <[email protected]> > wrote: > >> > > >> >> Hi there: > >> >> > >> >> I was running a shell ( in parallel on multiple machines) that > >> >> encloses a few programs accessing HBase. At some point all the > >> >> programs are all suspended, and later I found the reason was because > >> >> some region in HBase is locked. Any program that accesses that > regions > >> >> was suspended immediately ( in the call of getScanner ). > >> >> > >> >> Anybody have ideas what might be the causes? > >> >> > >> >> Best, > >> >> Arber > >> >> > >> > > >> > > >
