Last active
April 29, 2019 17:54
-
-
Save ebernhardson/fc95d2f1778c320321c617159a009afa to your computer and use it in GitHub Desktop.
Poorly Performing Queries notebook
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
placeholder so i can push a notebook |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": { | |
"scrolled": false | |
}, | |
"outputs": [], | |
"source": [ | |
"spark.sql(\"ADD JAR hdfs://analytics-hadoop/wmf/refinery/current/artifacts/refinery-hive.jar\").collect()\n", | |
"spark.sql(\"CREATE TEMPORARY FUNCTION get_main_search_request AS 'org.wikimedia.analytics.refinery.hive.GetMainSearchRequestUDF'\").collect()" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"import datetime\n", | |
"\n", | |
"date_start = datetime.datetime(2019, 3, 1)\n", | |
"date_end = datetime.datetime(2019, 3, 8)\n", | |
"max_res = 2\n", | |
"wiki = 'enwiki'\n", | |
"sample_size = 5000\n", | |
"max_q_by_day = 30\n", | |
"random_seed = 42" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"from pyspark.sql import functions as F, types as T, Window\n", | |
"import calendar\n", | |
"\n", | |
"ts_start = calendar.timegm(date_start.timetuple())\n", | |
"ts_end = calendar.timegm(date_end.timetuple())\n", | |
"\n", | |
"row_timestamp = F.unix_timestamp(F.concat(\n", | |
" F.col('year'), F.lit('-'), F.col('month'), F.lit('-'), F.col('day'), \n", | |
" F.lit(' '), F.col('hour'), F.lit(':00:00')))" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"w = Window.partitionBy(F.col('ip'), F.col('year'), F.col('month'), F.col('day'))\n", | |
"\n", | |
"results = (\n", | |
" spark.read.table('wmf_raw.cirrussearchrequestset')\n", | |
" .where(row_timestamp > ts_start)\n", | |
" .where(row_timestamp < ts_end)\n", | |
" .where(F.col('requests.queryType')[0] == 'near_match')\n", | |
" .withColumn('areq', F.expr('get_main_search_request(wikiid, requests)'))\n", | |
" .where(F.col('areq').isNotNull())\n", | |
" .where(F.col('areq.hitstotal') <= max_res)\n", | |
" .withColumn('q_by_day', F.count(F.lit(1)).over(w))\n", | |
" .where(F.col('q_by_day') <= max_q_by_day)\n", | |
" .groupBy(F.col('ip'), F.col('year'), F.col('month'), F.col('day'))\n", | |
" .agg(F.collect_list(F.struct('wikiid', 'areq.query', 'areq.hitsTotal')).alias('ip_requests'))\n", | |
" .withColumn('random_req_index', F.floor(F.rand(random_seed) * F.size(F.col('ip_requests'))))\n", | |
" .select(F.col('ip_requests')[F.col('random_req_index')].alias('req'))\n", | |
" .select(F.col('req.wikiid'), F.col('req.query'), F.col('req.hitsTotal'))\n", | |
" .toPandas()\n", | |
")" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"results[results['query'].str.contains('\"')]" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": { | |
"scrolled": true | |
}, | |
"outputs": [], | |
"source": [ | |
"results[results['query'].str.contains(':')]" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"results" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"import csv\n", | |
"results[\"query\"] = results[\"query\"].replace(\"\\n\", \" \", regex=True)\n", | |
"results[\"query\"] = results[\"query\"].replace(\"\\t\", \" \", regex=True)\n", | |
"results.to_csv(\"/home/tjones/\" + wiki + \".txt\", sep=\"\\t\", index=False, encoding='utf-8', escapechar=None, quoting=csv.QUOTE_NONE, quotechar='\\0')" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": {}, | |
"outputs": [], | |
"source": [] | |
} | |
], | |
"metadata": { | |
"kernelspec": { | |
"display_name": "PySpark - YARN", | |
"language": "python", | |
"name": "spark_yarn_pyspark" | |
}, | |
"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 | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment