Re: Unable to create RegionHistorian with NoServerForRegionException

Sat, 08 Nov 2008 18:28:56 -0800 

Good to hear!
Today was the first time I tested 0.19 trunk its much faster now.
I thank it has to do with the client buffer but I am seeing 150-175% more request per sec as from 0.18.1 

Billy



"Jean-Daniel Cryans" <[EMAIL PROTECTED]> 
wrote in message 
news:[EMAIL PROTECTED]

Billy,

Currently trunk is broken by those. I think that Jim is on the issue.

J-D


On Sat, Nov 8, 2008 at 8:29 PM, Billy Pearson 
<[EMAIL PROTECTED]>wrote:



working from trunk downloaded today
I get a bunch of these on start up and from shell after
Root Region is reported available even on same server as the root region

start up head from a RS:
2008-11-08 19:25:15,565 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 96 on 60020: starting
2008-11-08 19:25:15,565 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 99 on 60020: starting
2008-11-08 19:25:24,629 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
anchor,,1226175115963
2008-11-08 19:25:24,632 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
anchor,,1226175115963
2008-11-08 19:25:24,689 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:26,692 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:28,696 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:30,699 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:32,704 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:34,710 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:36,713 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:38,717 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:40,720 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:42,723 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:44,725 DEBUG

org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Attempt 0 
of
10 failed with 
<org.apache.hadoop.hbase.client.NoServerForRegionException:

Timed out trying to locate root region>. Retrying after sleep of 2000
2008-11-08 19:25:44,727 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:46,730 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:48,734 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:50,737 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:52,742 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:54,745 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:56,748 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:25:58,751 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:26:00,754 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:26:02,758 DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Sleeping
2000ms, waiting for root region.
2008-11-08 19:26:04,762 ERROR org.apache.hadoop.hbase.RegionHistorian:
Unable to create RegionHistorian

org.apache.hadoop.hbase.client.NoServerForRegionException: Timed out 
trying

to locate root region
      at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRootRegion(HConnectionManager.java:793)
      at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:439)
      at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.relocateRegion(HConnectionManager.java:421)
      at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:557)
      at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:449)
      at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:414)
      at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:113)
      at
org.apache.hadoop.hbase.RegionHistorian.online(RegionHistorian.java:310)
      at
org.apache.hadoop.hbase.regionserver.HRegionServer.openRegion(HRegionServer.java:970)
      at
org.apache.hadoop.hbase.regionserver.HRegionServer$Worker.run(HRegionServer.java:901)
      at java.lang.Thread.run(Thread.java:619)






























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