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- {
- "cells": [
- {
- "cell_type": "code",
- "execution_count": 1,
- "metadata": {
- "scrolled": false
- },
- "outputs": [],
- "source": [
- "import pyspark\n",
- "from pyspark import SparkContext, SQLContext, SparkConf\n",
- "\n",
- "from pyspark.sql.functions import udf, col\n",
- "from pyspark.sql.types import FloatType\n",
- "\n",
- "import os\n",
- "\n",
- "\n",
- "os.environ['SPARK_HOME'] = \"/home/jlaura/bigdata/spark-2.1.1-bin-hadoop2.7\"\n",
- "os.environ['SPARK_CONF_DIR'] = \"/tmp/spark/j_spark/749078/conf/\" # This is a per job variable\n",
- "\n",
- "conf = SparkConf()\\\n",
- " .setMaster('spark://neb1:7077')\\\n",
- " .setAppName(\"KelvinJobs\")\\\n",
- " .set(\"spark.cores.max\", 20)\n",
- "sc = SparkContext(conf=conf)\n",
- "sqlContext = SQLContext(sc)"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 7,
- "metadata": {
- "collapsed": true,
- "scrolled": false
- },
- "outputs": [],
- "source": [
- "# df = sqlContext.read.format(\"jdbc\").options(url=\"jdbc:postgresql://172.16.3.181:31180/tes?user=postgres&password=pass\", dbtable=\"tiy25\",driver=\"org.postgresql.Driver\").load()"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 2,
- "metadata": {},
- "outputs": [],
- "source": [
- "properties = {\n",
- " \"driver\": \"org.postgresql.Driver\",\n",
- " \"user\": \"postgres\",\n",
- " \"password\" : \"pass\"\n",
- "}\n",
- "url = 'jdbc:postgresql://dcos-node1:31180/tes'\n",
- "df = sqlContext.read.jdbc(url=url, table='global_y25', properties=properties)"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 3,
- "metadata": {},
- "outputs": [
- {
- "data": {
- "text/plain": [
- "[Row(ti=0.0, long_idx=1, lat_idx=1, lsubs_idx=75),\n",
- " Row(ti=0.0, long_idx=1, lat_idx=1, lsubs_idx=76),\n",
- " Row(ti=0.3888888888888889, long_idx=1, lat_idx=2, lsubs_idx=43),\n",
- " Row(ti=0.06666666666666667, long_idx=1, lat_idx=2, lsubs_idx=44),\n",
- " Row(ti=0.6111111111111112, long_idx=1, lat_idx=2, lsubs_idx=60)]"
- ]
- },
- "execution_count": 3,
- "metadata": {},
- "output_type": "execute_result"
- }
- ],
- "source": [
- "df.head(5)"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 5,
- "metadata": {
- "collapsed": true
- },
- "outputs": [],
- "source": [
- "sc.stop()"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": null,
- "metadata": {
- "collapsed": true
- },
- "outputs": [],
- "source": []
- }
- ],
- "metadata": {
- "kernelspec": {
- "display_name": "Python 3",
- "language": "python",
- "name": "python3"
- },
- "language_info": {
- "codemirror_mode": {
- "name": "ipython",
- "version": 3
- },
- "file_extension": ".py",
- "mimetype": "text/x-python",
- "name": "python",
- "nbconvert_exporter": "python",
- "pygments_lexer": "ipython3",
- "version": "3.5.3"
- }
- },
- "nbformat": 4,
- "nbformat_minor": 2
- }
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