Files
spark/homework/task5.ipynb
2026-06-07 13:48:55 +07:00

122 lines
3.5 KiB
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{
"cells": [
{
"cell_type": "code",
"execution_count": 2,
"id": "53b1885e-2dff-41ec-9a50-3f1bba298349",
"metadata": {},
"outputs": [],
"source": [
"from pyspark.sql import SparkSession, functions as F\n",
"\n",
"spark = SparkSession.builder.appName(\"some_name\").getOrCreate()"
]
},
{
"cell_type": "code",
"execution_count": 12,
"id": "61b1708d-9227-4200-afce-be808286e6b4",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"+------------------------------------------------+\n",
"|message |\n",
"+------------------------------------------------+\n",
"|Database connection failed |\n",
"|Timeout while waiting for response response user|\n",
"|NullPointerException |\n",
"+------------------------------------------------+\n",
"\n"
]
}
],
"source": [
"df = spark.read.text(\"logs.txt\")\n",
"\n",
"errors_df = df.filter(F.col(\"value\").startswith(\"ERROR \"))\n",
"\n",
"parts = F.split(F.col(\"value\"), \" \", 4)\n",
"messages_df = errors_df.select(parts[3].alias(\"message\"))\n",
"\n",
"messages_df.show(truncate=False)"
]
},
{
"cell_type": "code",
"execution_count": 13,
"id": "0ee49042-a0d8-4f2a-b9bf-9818dad3c61f",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"+------------------------------------------------+\n",
"|message |\n",
"+------------------------------------------------+\n",
"|database connection failed |\n",
"|timeout while waiting for response response user|\n",
"|nullpointerexception |\n",
"+------------------------------------------------+\n",
"\n"
]
}
],
"source": [
"lower_messages_df = messages_df.select(F.lower(F.col(\"message\")).alias(\"message\"))\n",
"lower_messages_df.show(truncate=False)"
]
},
{
"cell_type": "code",
"execution_count": 14,
"id": "ed957bf8-6ba2-452c-85d7-28162452ed2b",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"+------------------------------------------------+---------------+\n",
"|message |user_in_message|\n",
"+------------------------------------------------+---------------+\n",
"|database connection failed |false |\n",
"|timeout while waiting for response response user|true |\n",
"|nullpointerexception |false |\n",
"+------------------------------------------------+---------------+\n",
"\n"
]
}
],
"source": [
"lower_messages_df = lower_messages_df.withColumn(\"user_in_message\", F.col(\"message\").contains(\"user\"))\n",
"lower_messages_df.show(truncate=False)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"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": "3.12.3"
}
},
"nbformat": 4,
"nbformat_minor": 5
}