Jinghong:
Hadmin variable is not used. You can omit that line.
Which hbase release are you using ?
As Deng said, don't flush per row.
Cheers
> On Oct 27, 2015, at 3:21 AM, Deng Ching-Mallete <och...@apache.org> wrote:
>
> Hi,
>
> It would be more efficient if you configure the table and flush the commits
> by partition instead of per element in the RDD. The latter works fine because
> you only have 4 elements, but it won't bid well for large data sets IMO..
>
> Thanks,
> Deng
>
>> On Tue, Oct 27, 2015 at 5:22 PM, jinhong lu <lujinho...@gmail.com> wrote:
>>
>> Hi,
>>
>> I write my result to hdfs, it did well:
>>
>> val model =
>> lines.map(pairFunction).groupByKey().flatMap(pairFlatMapFunction).aggregateByKey(new
>> TrainFeature())(seqOp, combOp).values
>> model.map(a => (a.toKey() + "\t" + a.totalCount + "\t" +
>> a.positiveCount)).saveAsTextFile(modelDataPath);
>>
>> But when I want to write to hbase, the applicaton hung, no log, no response,
>> just stay there, and nothing is written to hbase:
>>
>> val model =
>> lines.map(pairFunction).groupByKey().flatMap(pairFlatMapFunction).aggregateByKey(new
>> TrainFeature())(seqOp, combOp).values.foreach({ res =>
>> val configuration = HBaseConfiguration.create();
>> configuration.set("hbase.zookeeper.property.clientPort", "2181");
>> configuration.set("hbase.zookeeper.quorum", “192.168.1.66");
>> configuration.set("hbase.master", "192.168.1:60000");
>> val hadmin = new HBaseAdmin(configuration);
>> val table = new HTable(configuration, "ljh_test3");
>> var put = new Put(Bytes.toBytes(res.toKey()));
>> put.add(Bytes.toBytes("f"), Bytes.toBytes("c"),
>> Bytes.toBytes(res.totalCount + res.positiveCount));
>> table.put(put);
>> table.flushCommits()
>> })
>>
>> And then I try to write som simple data to hbase, it did well too:
>>
>> sc.parallelize(Array(1,2,3,4)).foreach({ res =>
>> val configuration = HBaseConfiguration.create();
>> configuration.set("hbase.zookeeper.property.clientPort", "2181");
>> configuration.set("hbase.zookeeper.quorum", "192.168.1.66");
>> configuration.set("hbase.master", "192.168.1:60000");
>> val hadmin = new HBaseAdmin(configuration);
>> val table = new HTable(configuration, "ljh_test3");
>> var put = new Put(Bytes.toBytes(res));
>> put.add(Bytes.toBytes("f"), Bytes.toBytes("c"), Bytes.toBytes(res));
>> table.put(put);
>> table.flushCommits()
>> })
>>
>> what is the problem with the 2rd code? thanks a lot.
>>
>
