hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ted Yu <yuzhih...@gmail.com>
Subject Re: region server appearing twice on HBase Master page
Date Thu, 11 Mar 2010 18:33:29 GMT
0.20.5 seems a bit far in the future :-)

What I couldn't explain is that why serversToServerInfo, backed by
ConcurrentHashMap, would contain two entries with same key - X.com.

On Thu, Mar 11, 2010 at 10:19 AM, Jean-Daniel Cryans <jdcryans@apache.org>wrote:

> Bringing the discussion in hbase-user
>
> That usually happens after a DNS hiccup. There's a fix for that in
> https://issues.apache.org/jira/browse/HBASE-2174
>
> J-D
>
> On Wed, Mar 10, 2010 at 1:41 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> > I noticed two lines for the same region server on HBase Master page:
> > X.com:60030    1268160765854    requests=0, regions=16, usedHeap=1068,
> > maxHeap=6127
> > X.com:60030    1268250726442    requests=21, regions=9, usedHeap=1258,
> > maxHeap=6127
> >
> > I checked there is only one
> > org.apache.hadoop.hbase.regionserver.HRegionServer instance running on
> that
> > machine.
> >
> > This is from region server log:
> >
> > 2010-03-10 13:25:38,157 ERROR [IPC Server handler 43 on 60020]
> > regionserver.HRegionServer(844):
> > org.apache.hadoop.hbase.NotServingRegionException:
> ruletable,,1268083966723
> >        at
> >
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2307)
> >        at
> >
> org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:1784)
> >        at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
> >        at
> >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> > org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:648)
> >        at
> > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> > 2010-03-10 13:25:38,189 ERROR [IPC Server handler 0 on 60020]
> > regionserver.HRegionServer(844):
> > org.apache.hadoop.hbase.NotServingRegionException:
> ruletable,,1268083966723
> >        at
> >
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2307)
> >        at
> >
> org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:1784)
> >        at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
> >        at
> >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> > org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:648)
> >        at
> > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > If you know how to troubleshoot, please share.
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message