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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Error importing hbase table on new system
Date Sun, 27 Sep 2015 16:23:51 GMT
Have you used HFile tool ?

The tool would print out that information as part of metadata.

Cheers

On Sun, Sep 27, 2015 at 9:19 AM, Håvard Wahl Kongsgård <
haavard.kongsgaard@gmail.com> wrote:

> Yes, I have tried to read them on another system as well. It worked
> there. But I don't know if they are HFilev1 or HFilev2 format(any way
> to check ?? )
>
> This is the first lines from one of the files
>
> SEQ
> 1org.apache.hadoop.hbase.io.ImmutableBytesWritable%org.apache.hadoop.hbase.client.Result
> *org.apache.hadoop.io.compress.DefaultCodec���N��
> $��a&t ��wb%!100000107712083-10152358443612846x��� P ]�6:� w |pw
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>
> -Håvard
>
> On Sun, Sep 27, 2015 at 4:06 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> > Have you verified that the files to be imported are in HFilev2 format ?
> >
> > http://hbase.apache.org/book.html#_hfile_tool
> >
> > Cheers
> >
> > On Sun, Sep 27, 2015 at 4:47 AM, Håvard Wahl Kongsgård
> > <haavard.kongsgaard@gmail.com> wrote:
> >>
> >> >Is the single node system secure ?
> >>
> >> No have not activated, just defaults
> >>
> >> the mapred conf.
> >>
> >> <?xml version="1.0"?>
> >>
> >> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> >>
> >>
> >> <configuration>
> >>
> >>   <property>
> >>
> >>     <name>mapred.job.tracker</name>
> >>
> >>     <value>rack3:8021</value>
> >>
> >>   </property>
> >>
> >>
> >>   <!-- Enable Hue plugins -->
> >>
> >>   <property>
> >>
> >>     <name>mapred.jobtracker.plugins</name>
> >>
> >>     <value>org.apache.hadoop.thriftfs.ThriftJobTrackerPlugin</value>
> >>
> >>     <description>Comma-separated list of jobtracker plug-ins to be
> >> activated.
> >>
> >>     </description>
> >>
> >>   </property>
> >>
> >>   <property>
> >>
> >>     <name>jobtracker.thrift.address</name>
> >>
> >>     <value>0.0.0.0:9290</value>
> >>
> >>   </property>
> >>
> >> </configuration>
> >>
> >>
> >> >>Have you checked hdfs healthiness ?
> >>
> >>
> >> sudo -u hdfs hdfs dfsadmin -report
> >>
> >> Configured Capacity: 2876708585472 (2.62 TB)
> >>
> >> Present Capacity: 1991514849280 (1.81 TB)
> >>
> >> DFS Remaining: 1648230617088 (1.50 TB)
> >>
> >> DFS Used: 343284232192 (319.71 GB)
> >>
> >> DFS Used%: 17.24%
> >>
> >> Under replicated blocks: 52
> >>
> >> Blocks with corrupt replicas: 0
> >>
> >> Missing blocks: 0
> >>
> >>
> >> -------------------------------------------------
> >>
> >> Datanodes available: 1 (1 total, 0 dead)
> >>
> >>
> >> Live datanodes:
> >>
> >> Name: 127.0.0.1:50010 (localhost)
> >>
> >> Hostname: rack3
> >>
> >> Decommission Status : Normal
> >>
> >> Configured Capacity: 2876708585472 (2.62 TB)
> >>
> >> DFS Used: 343284232192 (319.71 GB)
> >>
> >> Non DFS Used: 885193736192 (824.40 GB)
> >>
> >> DFS Remaining: 1648230617088 (1.50 TB)
> >>
> >> DFS Used%: 11.93%
> >>
> >> DFS Remaining%: 57.30%
> >>
> >> Last contact: Sun Sep 27 13:44:45 CEST 2015
> >>
> >>
> >> >>To which release of hbase were you importing ?
> >>
> >> Hbase 0.94 (CHD 4)
> >>
> >> the new one is CHD 5.4
> >>
> >> On Sun, Sep 27, 2015 at 1:32 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> >> > Is the single node system secure ?
> >> > Have you checked hdfs healthiness ?
> >> > To which release of hbase were you importing ?
> >> >
> >> > Thanks
> >> >
> >> >> On Sep 27, 2015, at 3:06 AM, Håvard Wahl Kongsgård
> >> >> <haavard.kongsgaard@gmail.com> wrote:
> >> >>
> >> >> Hi, Iam trying to import a old backup to a new smaller system (just
> >> >> single node, to get the data out)
> >> >>
> >> >> when I use
> >> >>
> >> >> sudo -u hbase hbase -Dhbase.import.version=0.94
> >> >> org.apache.hadoop.hbase.mapreduce.Import crawler
> >> >> /crawler_hbase/crawler
> >> >>
> >> >> I get this error in the tasks . Is this a permission problem?
> >> >>
> >> >>
> >> >> 2015-09-26 23:56:32,995 ERROR
> >> >> org.apache.hadoop.security.UserGroupInformation:
> >> >> PriviledgedActionException as:mapred (auth:SIMPLE)
> >> >> cause:java.io.IOException: keyvalues=NONE read 4096 bytes, should
> read
> >> >> 14279
> >> >> 2015-09-26 23:56:32,996 WARN org.apache.hadoop.mapred.Child: Error
> >> >> running child
> >> >> java.io.IOException: keyvalues=NONE read 4096 bytes, should read
> 14279
> >> >> at
> >> >>
> org.apache.hadoop.io.SequenceFile$Reader.getCurrentValue(SequenceFile.java:2221)
> >> >> at
> >> >>
> org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader.nextKeyValue(SequenceFileRecordReader.java:74)
> >> >> at
> >> >>
> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:483)
> >> >> at
> >> >>
> org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:76)
> >> >> at
> >> >>
> org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:85)
> >> >> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:139)
> >> >> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:672)
> >> >> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:330)
> >> >> at org.apache.hadoop.mapred.Child$4.run(Child.java:268)
> >> >> at java.security.AccessController.doPrivileged(Native Method)
> >> >> at javax.security.auth.Subject.doAs(Subject.java:415)
> >> >> at
> >> >>
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
> >> >> at org.apache.hadoop.mapred.Child.main(Child.java:262)
> >> >> 2015-09-26 23:56:33,002 INFO org.apache.hadoop.mapred.Task: Runnning
> >> >> cleanup for the task
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Håvard Wahl Kongsgård
> >> >> Data Scientist
> >>
> >>
> >>
> >> --
> >> Håvard Wahl Kongsgård
> >> Data Scientist
> >
> >
>
>
>
> --
> Håvard Wahl Kongsgård
> Data Scientist
>

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