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{
"cells": [
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"pip install pyspark"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"import os\n",
"current_directory = os.getcwd()\n",
"print(current_directory)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"os.chdir(current_directory)\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"import pandas as pd\n",
"from pyspark.sql import SparkSession\n",
"from pyspark.sql.functions import col\n",
"\n",
"spark = SparkSession.builder.appName(\"CombineParquetFiles\").config(\"spark.executor.memory\", \"8g\").config(\"spark.executor.cores\", \"4\").config(\"spark.executor.instances\", \"3\").config(\"spark.dynamicAllocation.enabled\", \"true\").config(\"spark.task.maxFailures\", 10).getOrCreate()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"parquet_directory_path = '/Users/fionachow/Documents/NYU/CDS/Fall 2023/CSCI - GA 2271 - Computer Vision/Project/laion_sampled'\n",
"\n",
"output_parquet_file = '/Users/fionachow/Documents/NYU/CDS/Fall 2023/CSCI - GA 2271 - Computer Vision/Project/laion_combined'\n",
"\n",
"df = spark.read.parquet(parquet_directory_path)\n",
"\n",
"df_coalesced = df.coalesce(1)\n",
"\n",
"df_coalesced.write.mode('overwrite').parquet(output_parquet_file)\n",
"\n",
"row_count = df.count()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"print(row_count)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"parquet_directory_path = '/Users/fionachow/Documents/NYU/CDS/Fall 2023/CSCI - GA 2271 - Computer Vision/Project/laion_combined/part-00000-0190eea7-02ac-4ea0-86fd-0722308c0c58-c000.snappy.parquet'\n",
"\n",
"df = spark.read.parquet(parquet_directory_path)\n",
"\n",
"df.show()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"print(df.count())"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "bloom",
"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": "3.9.16"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
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