Rishav Rohit rishav-rohit
rishav-rohit
/ GeoEncodeUDF.java
Created
September 30, 2014 16:09
Hive GenericUDF for getting latitude and longitude
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| package com.rishav.hadoop.hive.ql.udf.generic; | |
| import java.util.ArrayList; | |
| import org.apache.hadoop.hive.ql.exec.Description; | |
| import org.apache.hadoop.hive.ql.exec.UDFArgumentException; | |
| import org.apache.hadoop.hive.ql.exec.UDFArgumentLengthException; | |
| import org.apache.hadoop.hive.ql.exec.UDFArgumentTypeException; | |
| import org.apache.hadoop.hive.ql.metadata.HiveException; | |
| import org.apache.hadoop.hive.ql.udf.UDFType; |
rishav-rohit
/ GeoLatLng.java
Created
September 30, 2014 16:08
Helper class to get latitude and longitude for a location
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| package com.rishav.hadoop.hive.ql.udf.utils; | |
| import java.io.IOException; | |
| import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler; | |
| import org.apache.commons.httpclient.HttpClient; | |
| import org.apache.commons.httpclient.HttpException; | |
| import org.apache.commons.httpclient.HttpStatus; | |
| import org.apache.commons.httpclient.URIException; | |
| import org.apache.commons.httpclient.methods.GetMethod; |
rishav-rohit
/ UnionJob.java
Created
September 16, 2014 07:24
HBase multi table input union example driver
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| package com.rishav.hbase.union; | |
| import java.util.ArrayList; | |
| import java.util.List; | |
| import org.apache.hadoop.conf.Configuration; | |
| import org.apache.hadoop.conf.Configured; | |
| import org.apache.hadoop.hbase.client.Scan; | |
| import org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil; | |
| import org.apache.hadoop.hbase.util.Bytes; |
rishav-rohit
/ UnionReducer.java
Created
September 16, 2014 07:24
HBase multi table input union example reducer
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| package com.rishav.hbase.union; | |
| import java.io.IOException; | |
| import org.apache.hadoop.hbase.client.Put; | |
| import org.apache.hadoop.hbase.io.ImmutableBytesWritable; | |
| import org.apache.hadoop.hbase.mapreduce.TableReducer; | |
| import org.apache.hadoop.hbase.util.Bytes; |
rishav-rohit
/ UnionMapper.java
Created
September 16, 2014 07:23
HBase multi table input union example mapper
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| package com.rishav.hbase.union; | |
| import java.util.Arrays; | |
| import org.apache.hadoop.hbase.client.Result; | |
| import org.apache.hadoop.hbase.io.ImmutableBytesWritable; | |
| import org.apache.hadoop.hbase.mapreduce.TableMapper; | |
| import org.apache.hadoop.hbase.mapreduce.TableSplit; | |
| import org.apache.hadoop.hbase.util.Bytes; |
rishav-rohit
/ student_marks.java
Created
September 14, 2014 18:42
Avro Java schema file student_marks.java
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| /** | |
| * Autogenerated by Avro | |
| * | |
| * DO NOT EDIT DIRECTLY | |
| */ | |
| package com.rishav.avro; | |
| @SuppressWarnings("all") | |
| @org.apache.avro.specific.AvroGenerated | |
| public class student_marks extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord { | |
| public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"student_marks\",\"namespace\":\"com.rishav.avro\",\"fields\":[{\"name\":\"student_id\",\"type\":\"int\"},{\"name\":\"subject_id\",\"type\":\"int\"},{\"name\":\"marks\",\"type\":\"int\"}]}"); |
rishav-rohit
/ gist:064a940c926b66836cf3
Created
June 27, 2014 12:49
Update fixed number of MongoDB records with batchId
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| public class UpdateMongoBatchId { | |
| public static void main(String[] args) { | |
| Integer batchId = new Integer(args[0]); | |
| try { | |
| Mongo mongo = new Mongo("10.x.x.x", 27017); | |
| DB db = mongo.getDB("dbname"); | |
| DBCollection coll1 = db.getCollection("collname"); | |
| // MongoDB find conditions |
rishav-rohit
/ AvroAverageDriver.java
Created
March 3, 2014 12:55
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| package com.rishav.avro.mapreduce; | |
| import java.io.IOException; | |
| import org.apache.avro.Schema; | |
| import org.apache.avro.mapred.AvroKey; | |
| import org.apache.avro.mapred.AvroValue; | |
| import org.apache.avro.mapreduce.AvroJob; | |
| import org.apache.avro.mapreduce.AvroKeyInputFormat; | |
| import org.apache.avro.mapreduce.AvroKeyValueOutputFormat; | |
| import org.apache.hadoop.conf.Configured; |
rishav-rohit
/ csv_avro.hql
Created
February 26, 2014 10:58
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| --1. Create a Hive table stored as textfile | |
| USE test; | |
| CREATE TABLE csv_table ( | |
| student_id INT, | |
| subject_id INT, | |
| marks INT) | |
| ROW FORMAT DELIMITED FIELDS TERMINATED BY ',' | |
| STORED AS TEXTFILE; | |
| --2. Load csv_table with student.csv data |
rishav-rohit
/ IntPair.java
Created
February 26, 2014 07:05
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| package com.hadoop.imcdp; | |
| import java.io.*; | |
| import java.util.Set; | |
| import java.lang.Integer; | |
| import org.apache.hadoop.io.*; | |
| public class IntPair implements WritableComparable<IntPair>{ | |
| private IntWritable first; |
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