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From Jack Levin <magn...@gmail.com>
Subject Re: Regions loading too fast
Date Fri, 24 Sep 2010 23:21:05 GMT
Also, even with '1' value, I see:

2010-09-24 16:20:29,983 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
img834,1000351n.jpg,1285251664421.d09510a16c0cfd0d8a251a36229125e0.
2010-09-24 16:20:29,984 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
img651,pict1408.jpg,1285018965749.110871465
2010-09-24 16:20:29,984 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
img806,sam0084a.jpg,1285324613056.82a1e8ba8d2a37a591a847fb36803c45.
2010-09-24 16:20:29,985 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
img535,screenshot1bt.png,1285323376435.fae5f3ab474196c99f10b8a936fb9ead.
2010-09-24 16:20:29,985 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
img838,123468.jpg,1285223690165.a2903008621d1a6b6ca02441bf3b68ea.
2010-09-24 16:20:29,985 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
img839,yug.jpg,1285230318537.c09323dbaf54130671df2a14d671fe25.
2010-09-24 16:20:29,985 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
img821,vlcsnap78737.png,1285283076812.ea4973ce6e43d7f974613c5989647278.
2010-09-24 16:20:29,985 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
img805,njt30scbkdmb.gif,1285322429401.f9aacdafd8064bfbcc8cd4f6930febbe.
2010-09-24 16:20:29,985 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
img94,img1711m.jpg,1285016850260.1424182007
2010-09-24 16:20:29,986 DEBUG
org.apache.hadoop.hbase.regionserver.HRegion: Creating region
img840,kitbarca2.png,1285189312696.1ce170ec09384fca51297a5fe7aeb4af.

Which is pretty close to concurrent.

-Jack

On Fri, Sep 24, 2010 at 4:16 PM, Jack Levin <magnito@gmail.com> wrote:
> Still having a problem:
>
> 2010-09-24 16:15:02,572 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: Error opening
> img695,p1908101232.jpg,1285288492084.d451f05024b42f71a115951c62cdcccf.
> java.io.EOFException
>        at java.io.DataInputStream.readFully(DataInputStream.java:180)
>        at org.apache.hadoop.io.DataOutputBuffer$Buffer.write(DataOutputBuffer.java:63)
>        at org.apache.hadoop.io.DataOutputBuffer.write(DataOutputBuffer.java:101)
>        at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:1937)
>        at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:1837)
>
>
> I changed the value to '1', and restarted the regionserver... Note
> that my hdfs is not having a problem.
>
> -Jack
>
> On Fri, Sep 24, 2010 at 4:01 PM, Stack <stack@duboce.net> wrote:
>> Try
>>
>>  <property>
>>    <name>hbase.regions.percheckin</name>
>>    <value>10</value>
>>    <description>Maximum number of regions that can be assigned in a single
go
>>    to a region server.
>>    </description>
>>  </property>
>>
>> What do you have now?  Whatever it is, go down from there.
>>
>> St.Ack
>>
>>
>> On Fri, Sep 24, 2010 at 3:07 PM, Jack Levin <magnito@gmail.com> wrote:
>>> My regions are 1gb in size and when I cold start the cluster I oversaturate my
network links (1000 mbps) and get client dfs timeouts , anyway to slow the m down?
>>>
>>> -Jack
>>>
>>>
>>
>

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