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1. generae and save candidate sets metadata, should contain `from_date`, `to_date`, fields. | |
2. send the `from_date`, `to_date` with recommendation messages to lemmy. | |
3. store the `from_date`, `to_date` in recommendation metadata in lemmy. | |
4. If a user has empty recommendations, fetch `from_date`, `to_date` and use them to check if user has submitted any listens in | |
given time frame, and display error message accordingly. | |
Note: `from_date`, `to_date`, is the one week (or more) window from which user history is fetched to generate recs! |
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{getArtistLink(recommendation)} | |
const getArtistLink = (listen: Listen) => { | |
const artistName = _.get(listen, "track_metadata.artist_name"); | |
const firstArtist = _.first( | |
_.get(listen, "track_metadata.additional_info.artist_mbids") | |
); | |
if (firstArtist) { | |
return ( | |
<a |
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CREATE TABLE recommendation_feedback ( | |
id SERIAL, -- PK | |
user_id INTEGER NOT NULL, -- FK to "user".id | |
recording_mbid UUID NOT NULL, | |
rating ENUM NOT NULL, | |
created TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW() | |
); | |
CREATE TYPE rating AS ENUM("I like this", "I really like this", "I don't like this", "I never want to hear this again"); |
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[2020-09-29 13:36:03,565] INFO in request_consumer: Received a request! | |
[2020-09-29 13:36:03,581] INFO in create_dataframes: Fetching listens to create dataframes... | |
[2020-09-29 13:36:15,481] INFO in create_dataframes: Listen count from 2020-04-01 17:59:43 to 2020-09-28 17:59:43: 11034222 | |
[2020-09-29 13:36:15,481] INFO in create_dataframes: Loading mapping from HDFS... | |
[2020-09-29 13:36:41,385] INFO in create_dataframes: Number of distinct rows in the mapping: 4510905 | |
[2020-09-29 13:36:41,385] INFO in create_dataframes: Mapping listens... | |
[2020-09-29 13:38:21,343] INFO in create_dataframes: Listen count after mapping: 6473515 | |
[2020-09-29 13:38:21,343] INFO in create_dataframes: Preparing users data and saving to HDFS... | |
[2020-09-29 13:39:49,879] INFO in create_dataframes: Preparing recordings data and saving to HDFS... | |
[2020-09-29 13:41:21,994] INFO in create_dataframes: Preparing listen data dump and playcounts, saving playcounts to HDFS... |
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+-------------------+----------------------+---------------------+--------------------+--------------------+--------------------+--------------------+--------------------------------+--------------------+--------------------+----------------------------+--------------------+--------------------------+------+ | |
|mb_artist_credit_id|mb_artist_credit_mbids|mb_artist_credit_name| mb_recording_mbid| mb_recording_name| mb_release_mbid| mb_release_name|msb_artist_credit_name_matchable| msb_artist_msid| msb_recording_msid|msb_recording_name_matchable| msb_release_msid|msb_release_name_matchable|unique| | |
+-------------------+----------------------+---------------------+--------------------+--------------------+--------------------+--------------------+--------------------------------+--------------------+--------------------+----------------------------+--------------------+--------------------------+------+ | |
| 1444| [8385f26a-f374-4a...| VNV Nation|0c9fb744-4ed2-44d...| |
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[2020-09-29 09:50:23,675] INFO in create_dataframes: Fetching listens to create dataframes... | |
[2020-09-29 09:50:28,873] INFO in create_dataframes: Listen count from 2020-04-01 17:59:43 to 2020-09-28 17:59:43: 11034222 | |
[2020-09-29 09:50:30,195] INFO in create_dataframes: Mapping listens... | |
[2020-09-29 09:52:19,645] INFO in create_dataframes: Listen count after mapping: 220424882 |
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20/09/26 00:06:29 ERROR TaskSetManager: Task 5 in stage 4022.0 failed 4 times; aborting job | |
Exception in thread "serve toLocalIterator" org.apache.spark.SparkException: Job aborted due to stage failure: Task 5 in stage 4022.0 failed 4 times, most recent failure: Lost task 5.3 in stage 4022.0 (TID 23237, 10.0.1.24, executor 2): org.apache.spark.api.python.PythonException: Traceback (most recent call last): | |
File "/usr/local/spark/python/lib/pyspark.zip/pyspark/worker.py", line 366, in main | |
func, profiler, deserializer, serializer = read_udfs(pickleSer, infile, eval_type) | |
File "/usr/local/spark/python/lib/pyspark.zip/pyspark/worker.py", line 241, in read_udfs | |
arg_offsets, udf = read_single_udf(pickleSer, infile, eval_type, runner_conf) | |
File "/usr/local/spark/python/lib/pyspark.zip/pyspark/worker.py", line 168, in read_single_udf | |
f, return_type = read_command(pickleSer, infile) | |
File "/usr/local/spark/python/lib/pyspark.zip/pyspark/worker.py", line 69, in read_command | |
command = serializer._ |
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result = [["ecf36230-f81e-4825-99c1-947cbe1bd809",0.598],["77328074-a4a9-4d34-8357-052ffe236371",0.56],["02bbe3fc-9834-43f9-9a98-42b15be56d54",0.557],["e37ea86c-3b30-41c0-bcee-4099d896e9ed",0.523],["28655fdc-ffac-467a-a285-aad3456f483c",0.52],["574c3d3d-f89d-43e7-9927-f3e38f1fe938",0.516],["9254f8dc-bf3f-4179-ba86-4a6ffcf76df6",0.512],["bfdb989d-92a2-411a-84fb-dff8f7d586aa",0.51],["70b71efe-d26b-4da3-82ad-4140b7c35ff4",0.51],["03bc40e4-5688-42e9-b0c4-63a3a45ca247",0.508],["ed719c5c-7f08-4272-92fd-1e3ef2539ed0",0.506],["fe7640bd-e721-4827-8a7b-8e9569317298",0.505],["3e5bc764-dfa4-454d-a2a9-0ee84ae35db2",0.504],["6e29af7a-dc0f-4486-9681-0dadefdb3509",0.504],["75739f06-8499-4159-997e-f91cd57c3398",0.504],["47e3dc92-8068-4312-906d-e9b7f2231e0b",0.502],["9d151cec-c1e2-4f81-86ec-76ba29f91bf2",0.502],["9db4df99-c4a7-4bcd-a64f-b94953405e01",0.5],["20295bc6-491d-4381-a02d-fbd3574a504b",0.5],["e6a38991-9a4e-4d72-bd5b-833407731667",0.5]] |
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Before: | |
[ | |
{ | |
"recording_mbid": "4a419c47-baf0-46c1-9f57-1bad1bfa2a47" | |
} | |
] | |
After: | |
[ | |
{ |
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---------------------------------------- | |
| artist_credit_id| artist_mbids| | |
---------------------------------------- | |
| 1| [a, b,]| | |
---------------------------------------- | |
| 1| [c,d]| | |
---------------------------------------- |