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Date: Fri, 20 Jan 2012 20:19:54 -0800 (PST)
From: lars hofhansl <lhofhansl@yahoo.com>
Reply-To: lars hofhansl <lhofhansl@yahoo.com>
Subject: Re: Regions in Transition?
To: "user@hbase.apache.org" <user@hbase.apache.org>
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Also, you probably do not want to set your blocksize to 512mb. The default =
is 64k.=0AHBase has to load (either HDFS or cache) and scan this amount of =
data for each key value lookup.=0A=0A=0A-- Lars=0A=0A=0A=0A________________=
________________=0A From: Stack <stack@duboce.net>=0ATo: user@hbase.apache.=
org =0ASent: Friday, January 20, 2012 1:16 PM=0ASubject: Re: Regions in Tra=
nsition?=0A =0AOn Fri, Jan 20, 2012 at 10:41 AM, Mark <static.void.dev@gmai=
l.com> wrote:=0A=0A> I recently bumped up the region size memory configurat=
ion on our HBase=0A> cluster and after doing a rolling restart of our 5 nod=
es I saw the=0A> following in the HBase status page:=0A>=0A>=0A>=A0  Region=
s in Transition=0A>=0A> Region=A0 State=0A> 32cb0e36cfa326d0a431734ba93a16*=
*df items,869239091/es-LA,**1323971864141.*=0A> *32cb0e36cfa326d0a431734ba9=
3a16**df. state=3DPENDING_OPEN, ts=3DFri Jan 20=0A> 10:30:56 PST 2012 (422s=
 ago), server=3Dhadoop3.mycompany.com,**=0A> 60020,1327082744696=0A> 3f70e7=
e8734ca7b772e2a4db8e3d27**3f items,287955002/fr-FR,**1324492747210.*=0A> *3=
f70e7e8734ca7b772e2a4db8e3d27**3f. state=3DPENDING_OPEN, ts=3DFri Jan 20=0A=
> 10:08:07 PST 2012 (1791s ago), server=3Dhadoop4.mycompany.com,**=0A> 6002=
0,1327082844453=0A> 4851ec840abe39e3d70d834866fc62**e1 item_translations,58=
9372741/**=0A> es-LA,1323511796967.**4851ec840abe39e3d70d834866fc62**e1.=0A=
> state=3DPENDING_OPEN, ts=3DFri Jan 20 10:08:07 PST 2012 (1791s ago), serv=
er=3D=0A> hadoop4.mycompany.com,**60020,1327082844453=0A> 8966449d7bb08dcd0=
60ff4bf9fd12d**36 item_translations,450498891/**=0A> es-LA,1324512750098.**=
8966449d7bb08dcd060ff4bf9fd12d**36.=0A> state=3DPENDING_OPEN, ts=3DFri Jan =
20 10:08:07 PST 2012 (1791s ago), server=3D=0A> hadoop4.mycompany.com,**600=
20,1327082844453=0A>=0A>=0A> What does this mean I why are they taking so l=
ong to transition? FYI I am=0A> using Cloudera CDH3U2 and my block size is =
configured to 512m.=0A>=0A>=0ARegion is stuck.=A0 Master assigned it to a n=
ode but its not opening.=A0 Can=0Ayou see in master logs where this region =
was assigned.=A0 Then go to that=0Aregionservers's ui and see if you see th=
e region?=0A=0ASt.Ack
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