Hi Check the master side logs and in the RS logs check what the RS is doinig w.r.t to the region mentioned in the below trace.
Hope you are trying out in 0.90.x and not 0.92? Regards Ram ________________________________________ From: Harsh J [[email protected]] Sent: Saturday, January 21, 2012 11:47 AM To: [email protected] Subject: Re: Regions in Transition? (Just to avoid confusion, Lars is talking about HBase Table CF's blocksize, unrelated to HDFS block sizes, which would be fine if set to 512m.) On 21-Jan-2012, at 9:49 AM, lars hofhansl wrote: > Also, you probably do not want to set your blocksize to 512mb. The default is > 64k. > HBase has to load (either HDFS or cache) and scan this amount of data for > each key value lookup. > > > -- Lars > > > > ________________________________ > From: Stack <[email protected]> > To: [email protected] > Sent: Friday, January 20, 2012 1:16 PM > Subject: Re: Regions in Transition? > > On Fri, Jan 20, 2012 at 10:41 AM, Mark <[email protected]> wrote: > >> I recently bumped up the region size memory configuration on our HBase >> cluster and after doing a rolling restart of our 5 nodes I saw the >> following in the HBase status page: >> >> >> Regions in Transition >> >> Region State >> 32cb0e36cfa326d0a431734ba93a16**df items,869239091/es-LA,**1323971864141.* >> *32cb0e36cfa326d0a431734ba93a16**df. state=PENDING_OPEN, ts=Fri Jan 20 >> 10:30:56 PST 2012 (422s ago), server=hadoop3.mycompany.com,** >> 60020,1327082744696 >> 3f70e7e8734ca7b772e2a4db8e3d27**3f items,287955002/fr-FR,**1324492747210.* >> *3f70e7e8734ca7b772e2a4db8e3d27**3f. state=PENDING_OPEN, ts=Fri Jan 20 >> 10:08:07 PST 2012 (1791s ago), server=hadoop4.mycompany.com,** >> 60020,1327082844453 >> 4851ec840abe39e3d70d834866fc62**e1 item_translations,589372741/** >> es-LA,1323511796967.**4851ec840abe39e3d70d834866fc62**e1. >> state=PENDING_OPEN, ts=Fri Jan 20 10:08:07 PST 2012 (1791s ago), server= >> hadoop4.mycompany.com,**60020,1327082844453 >> 8966449d7bb08dcd060ff4bf9fd12d**36 item_translations,450498891/** >> es-LA,1324512750098.**8966449d7bb08dcd060ff4bf9fd12d**36. >> state=PENDING_OPEN, ts=Fri Jan 20 10:08:07 PST 2012 (1791s ago), server= >> hadoop4.mycompany.com,**60020,1327082844453 >> >> >> What does this mean I why are they taking so long to transition? FYI I am >> using Cloudera CDH3U2 and my block size is configured to 512m. >> >> > Region is stuck. Master assigned it to a node but its not opening. Can > you see in master logs where this region was assigned. Then go to that > regionservers's ui and see if you see the region? > > St.Ack -- Harsh J Customer Ops. Engineer, Cloudera
