Hi, ted,
Thanks for your reply!!
I found the log in l-namenode2.dba.cn8 during the restarting progress:
2015-05-15 12:11:36,540 INFO [master:l-namenode2:6]
master.ServerManager: Finished waiting for region servers count to settle;
checked in 5, slept for 4511 ms, expecting minimum of 1,
hey thank you very much Alex for pointing me in right direction .
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bq. the backup master take over at 2015-05-15 12:16:40,024 ?
The switch of active master should be earlier than 12:16:40,024 - shortly
after 12:15:58
l-namenode1 would do some initialization (such as waiting for region
servers count to settle) after it became active master.
I tried to download
I added a region server process to an existing cluster node that didn't
previously have a region server process and I'm getting a weird error (see
stack traces below).
I'm using HDP 2.1, HBase 0.98.0.2.1.7.0-784-hadoop2,
hadoop 2.4.0.2.1.7.0-784. All the other 6 region servers are up without
The snippet in /var/log/messages is as follows, i am sure that process
killed(22827) is RegsionServer.
..
May 14 12:00:38 localhost kernel: Mem-Info:
May 14 12:00:38 localhost kernel: Node 0 DMA per-cpu:
May 14 12:00:38 localhost kernel: CPU0: hi:0, btch: 1 usd: 0
..
May 14
After l-namenode1 became active master , it assigned regions:
2015-05-15 12:16:40,432 INFO [master:l-namenode1:6]
master.RegionStates: Transitioned {6f806bb62b347c992cd243fc909276ff
state=OFFLINE, ts=1431663400432, server=null} to
{6f806bb62b347c992cd243fc909276ff state=OPEN,
Can you give us a bit more information - I assume hbase config is the same
on this server compared with the other region servers:
region server log preceding 'Failed to close file' exception - I looked for
'Caused by' but didn't find any.
is this a secure cluster ?
w.r.t.
Hi all,
For testing on my laptop (OSX with JDK 1.7.0_45) I usually build the
latest version from branch-1.0 and use the following config:
configuration
property
namehbase.rootdir/name
valuefile:///tmp/hbase-${user.name}/value
/property
property
namehbase.online.schema.update.enable/name
I noticed similar ZK related issues but those went away after changing the ZK
directory to a permanent directory along with the HBase root directory. Both
point now to a location in my home folder and restarts work fine now. Not much
help but wanted to at least state that.
Lars
Sent from
The latest version of 0.94 is 0.94.27. I doubt you'll get much help for 0.94.7
here (it's two years and 20! releases ago)
Note that you can upgrade from 0.94.7 to 0.94.27 without down time (with a
rolling upgrade), but you'll have to build it from source yourself.
-- Lars
From: Neutron
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