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From Shahab Yunus <shahab.yu...@gmail.com>
Subject Re: writing to multiple hbase tables in a mapreduce job
Date Tue, 26 Aug 2014 19:14:55 GMT
Where are you setting the input data/path/format for the job? I don't see
that in the code below that you just pasted...











*Job job = new Job(config,
"GetEntitiesMR");job.setJarByClass(EntitySearcherMR.class);job.setMapperClass(EntitySearcherMapper.class);job.setOutputFormatClass(MultiTableOutputFormat.class);TableMapReduceUtil.addDependencyJars(job);job.setNumReduceTasks(0);
              boolean b = job.waitForCompletion(true);if (!b) {throw new
IOException("error with job!");}*

Regards,
Shahab


On Tue, Aug 26, 2014 at 3:11 PM, yeshwanth kumar <yeshwanth43@gmail.com>
wrote:

> hi shahab,
>
> i tried in that way, by specifying outputformat as MultiTableOutputFormat,
> it is throwing
>
>  java.io.IOException: No input paths specified in job
> at
>
> org.apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus(FileInputFormat.java:193)
> at
>
> org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:252)
> at org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:919)
> at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:936)
> at org.apache.hadoop.mapred.JobClient.access$500(JobClient.java:170)
> at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:854)
> at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:807)
> 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:1059)
> at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:807)
> at org.apache.hadoop.mapreduce.Job.submit(Job.java:465)
> at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:495)
> at
>
> com.serendio.icvs.analysis.text.EntitySearcherMR.main(EntitySearcherMR.java:161)
>
> here's the job config
>
>                Job job = new Job(config, "GetEntitiesMR");
> job.setJarByClass(EntitySearcherMR.class);
> job.setMapperClass(EntitySearcherMapper.class);
> job.setOutputFormatClass(MultiTableOutputFormat.class);
> TableMapReduceUtil.addDependencyJars(job);
> job.setNumReduceTasks(0);
>                 boolean b = job.waitForCompletion(true);
> if (!b) {
> throw new IOException("error with job!");
> }
>
> i am unable to figure out, what i am missing here,
>
> -yeshwanth
>
>
>
>
>
> On Wed, Aug 27, 2014 at 12:23 AM, Shahab Yunus <shahab.yunus@gmail.com>
> wrote:
>
> > You don't need to initialize the tables.
> >
> > You just need to specify the output format as MultipleTableOutputFormat
> > class.
> >
> > Something like this:
> > job.setOutputFormatClass(MultipleTableOutputFormat.class);
> >
> >
> > Because if you see the code for MultipleTableOutputFormat, it creates the
> > table on the fly and stores it in the internal map when you call
> > context.write.
> > When context.write is called:
> >
> >  @Override <
> >
> http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b27/java/lang/Override.java#Override
> > >
> >
> > 126 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#126
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >     public void
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >write(ImmutableBytesWritable
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/io/ImmutableBytesWritable.java#ImmutableBytesWritable
> > >
> > tableName, Writable action) throws IOException
> > <
> >
> http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b27/java/io/IOException.java#IOException
> > >
> > {
> >
> > 127 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#127
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >       HTable <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/client/HTable.java#HTable
> > >
> > table = getTable
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#MultiTableOutputFormat.MultiTableRecordWriter.getTable%28org.apache.hadoop.hbase.io.ImmutableBytesWritable%29
> > >(tableName);
> >
> >
> >
> > Which calls getTable() shown below which cr
> >
> > eates the table on the fly and stores it in the internal map :
> >
> >
> >
> >  HTable <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/client/HTable.java#HTable
> > >
> >  <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >getTable(ImmutableBytesWritable
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/io/ImmutableBytesWritable.java#ImmutableBytesWritable
> > >
> > tableName) throws IOException
> > <
> >
> http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b27/java/io/IOException.java#IOException
> > >
> > {
> >
> > 99 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#99
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >        if (!tables
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#MultiTableOutputFormat.MultiTableRecordWriter.0tables
> > >.containsKey
> > <
> >
> http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b27/java/util/Map.java#Map.containsKey%28java.lang.Object%29
> > >(tableName))
> > {
> >
> > 100 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#100
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >         LOG <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#MultiTableOutputFormat.MultiTableRecordWriter.0LOG
> > >.debug
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/commons-logging/commons-logging/1.1.1/org/apache/commons/logging/Log.java#Log.debug%28java.lang.Object%29
> > >("Opening
> > HTable \"" + Bytes.toString
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/util/Bytes.java#Bytes.toString%28byte%5B%5D%29
> > >(tableName.get
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/io/ImmutableBytesWritable.java#ImmutableBytesWritable.get%28%29
> > >())+
> > "\" for writing");
> >
> > 101 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#101
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >         HTable <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/client/HTable.java#HTable
> > >
> > table = new HTable
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/client/HTable.java#HTable
> > >(conf
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#MultiTableOutputFormat.MultiTableRecordWriter.0conf
> > >,
> > tableName.get <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/io/ImmutableBytesWritable.java#ImmutableBytesWritable.get%28%29
> > >());
> >
> > 102 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#102
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >         table.setAutoFlush
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/client/HTable.java#HTable.setAutoFlush%28boolean%29
> > >(false);
> >
> > 103 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#103
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >         tables <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#MultiTableOutputFormat.MultiTableRecordWriter.0tables
> > >.put
> > <
> >
> http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b27/java/util/Map.java#Map.put%28org.apache.hadoop.hbase.io.ImmutableBytesWritable%2Corg.apache.hadoop.hbase.client.HTable%29
> > >(tableName,
> > table);
> >
> > 104 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#104
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >       }
> >
> > 105 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#105
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >       return tables
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#MultiTableOutputFormat.MultiTableRecordWriter.0tables
> > >.get
> > <
> >
> http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b27/java/util/Map.java#Map.get%28java.lang.Object%29
> > >(tableName);
> >
> > 106 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#106
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >     }
> >
> > 107 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#107
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> > 108 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#108
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >     @Override <
> >
> http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b27/java/lang/Override.java#Override
> > >
> >
> > 109 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#109
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >     public void
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >close(TaskAttemptContext
> > context) throws IOException
> > <
> >
> http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b27/java/io/IOException.java#IOException
> > >
> > {
> >
> > 110 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#110
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >       for (HTable
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/client/HTable.java#HTable
> > >
> > table : tables <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#MultiTableOutputFormat.MultiTableRecordWriter.0tables
> > >.values
> > <
> >
> http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b27/java/util/Map.java#Map.values%28%29
> > >())
> > {
> >
> > 111 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#111
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >         table.flushCommits
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/client/HTable.java#HTable.flushCommits%28%29
> > >();
> >
> > 112 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#112
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >       }
> >
> > 113 <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#113
> > >
> >
> > <
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#
> > >
> >
> >     }
> >
> >
> > In fact, I would suggest to go through this code here for the whole
> class:
> >
> >
> >
> http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hbase/hbase/0.92.1/org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.java#MultiTableOutputFormat.MultiTableRecordWriter.getTable%28org.apache.hadoop.hbase.io.ImmutableBytesWritable%29
> >
> >
> >
> > It is different from TableOutputFormat approach where you do need to
> > intialize the table by using the Util class.
> >
> >
> >
> > Regards,
> >
> > Shahab
> >
> >
> >
> > On Tue, Aug 26, 2014 at 2:29 PM, yeshwanth kumar <yeshwanth43@gmail.com>
> > wrote:
> >
> > > hi ted,
> > >
> > > i need to process the data in table i1, and then i need to write the
> > > results to tables i1 and i2
> > > so input for the mapper in my mapreduce job is from hbase table, i1
> > > whereas in WALPlayer input is HLogInputFormat,
> > >
> > > if i remove the statement as you said and specify  the inputformat
> > > as TableInputFormat it is throwing "No table was provided " Exception
> > > if i specify the input table as in the statements
> > >
> > > TableMapReduceUtil.initTableMapperJob(otherArgs[0], scan,
> > > EntitySearcherMapper.class, ImmutableBytesWritable.class, Put.class,
> > > job);//otherArgs[0]=i1
> > >
> > > mapper is not considering other table,
> > > any suggestions to resolve  this issue,
> > >
> > > thanks,
> > > yeshwanth
> > >
> > >
> > >
> > >
> > > On Tue, Aug 26, 2014 at 10:39 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> > >
> > > > Please take a look at WALPlayer.java in hbase where you can find
> > example
> > > of
> > > > how MultiTableOutputFormat is used.
> > > >
> > > > Cheers
> > > >
> > > >
> > > > On Tue, Aug 26, 2014 at 10:04 AM, yeshwanth kumar <
> > yeshwanth43@gmail.com
> > > >
> > > > wrote:
> > > >
> > > > > hi ted,
> > > > >
> > > > > how can we intialise the mapper if i comment out those lines
> > > > >
> > > > >
> > > > >
> > > > > On Tue, Aug 26, 2014 at 10:08 PM, Ted Yu <yuzhihong@gmail.com>
> > wrote:
> > > > >
> > > > > > TableMapReduceUtil.initTableMapperJob(otherArgs[0], scan,
> > > > > > EntitySearcherMapper.class, ImmutableBytesWritable.class,
> > Put.class,
> > > > > > job);//otherArgs[0]=i1
> > > > > >
> > > > > > You're initializing with table 'i1'
> > > > > > Please remove the above call and try again.
> > > > > >
> > > > > > Cheers
> > > > > >
> > > > > >
> > > > > > On Tue, Aug 26, 2014 at 9:18 AM, yeshwanth kumar <
> > > > yeshwanth43@gmail.com>
> > > > > > wrote:
> > > > > >
> > > > > > > hi i am running  HBase 0.94.20  on Hadoop 2.2.0
> > > > > > >
> > > > > > > i am using MultiTableOutputFormat,
> > > > > > > for writing processed output to two different tables in
hbase.
> > > > > > >
> > > > > > > here's the code snippet
> > > > > > >
> > > > > > > private ImmutableBytesWritable tab_cr = new
> > ImmutableBytesWritable(
> > > > > > > Bytes.toBytes("i1")); private ImmutableBytesWritable tab_cvs
=
> > new
> > > > > > > ImmutableBytesWritable( Bytes.toBytes("i2"));
> > > > > > >
> > > > > > > @Override
> > > > > > > public void map(ImmutableBytesWritable row, final Result
value,
> > > > > > > final Context context) throws IOException,
> InterruptedException {
> > > > > > >
> > > > > > > -----------------------------------------
> > > > > > > Put pcvs = new Put(entry.getKey().getBytes());
> > > > > > > pcvs.add("cf".getBytes(),"type".getBytes(),column.getBytes());
> > > > > > > Put put = new Put(value.getRow());
> > > > > > > put.add("Entity".getBytes(), "json".getBytes(),
> > > > > > > entry.getValue().getBytes());
> > > > > > > context.write(tab_cr, put);// table i1 context.write(tab_cvs,
> > > > > > pcvs);//table
> > > > > > > i2
> > > > > > >
> > > > > > > }
> > > > > > >
> > > > > > > job.setJarByClass(EntitySearcherMR.class);
> > > > > > > job.setMapperClass(EntitySearcherMapper.class);
> > > > > > > job.setOutputFormatClass(MultiTableOutputFormat.class);
Scan
> > scan =
> > > > new
> > > > > > > Scan(); scan.setCacheBlocks(false);
> > > > > > > TableMapReduceUtil.initTableMapperJob(otherArgs[0], scan,
> > > > > > > EntitySearcherMapper.class, ImmutableBytesWritable.class,
> > > Put.class,
> > > > > > > job);//otherArgs[0]=i1
> > > > > > TableMapReduceUtil.initTableReducerJob(otherArgs[0],
> > > > > > > null, job); job.setNumReduceTasks(0);
> > > > > > >
> > > > > > > mapreduce job fails by saying nosuchcolumnfamily "cf"
> exception,
> > in
> > > > > table
> > > > > > > i1
> > > > > > > i am writing data to two different columnfamilies one in
each
> > > table,
> > > > cf
> > > > > > > belongs to table i2.
> > > > > > > does the columnfamilies should present in both tables??
> > > > > > > is there anything i am missing
> > > > > > > can someone point me in the right direction
> > > > > > >
> > > > > > > thanks,
> > > > > > > yeshwanth.
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>

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