the lean data diet - usenix...the lean data diet free knowledge movement “imagine a world in which...
TRANSCRIPT
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and
the Lean Data Diet
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[email protected] @pantojacoder
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and
the Lean Data Diet
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Free Knowledge Movement
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“Imagine a world in which every single human being can freely share in the sum of all knowledge”.
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Should not have to provide any information to participate in free knowledge movement.
There cannot be access to free knowledge without a strong guarantee of privacy.
Free n le e Move nt Cor Bel ar nd Pri y
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Anyonecan edit!
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How is this guarantee of Privacy Expressed?
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https://foundation.wikimedia.org/wiki/Privacy_policy
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Build the wiki way
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Build the wiki way Dis sion
to l 150,000 wo ds
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Read or edit without account.
Register account without name, email or any other info.
Never selling/sharing your info with third parties.
After at most 90 days, data will be deleted, aggregated, or de-identified
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In Practice the Privacy Policy has strong implications on how we do engineering
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Read or edit without account.
Register account without name, email or any other info.
Never selling/sharing your info with third parties.
After at most 90 days, data will be deleted, aggregated, or de-identified
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We compute metrics in privacy conscious ways, aggregate, release publicly and delete a lot of data
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Deleting Data
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Sanit ing Data
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PrivacyCulture
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Deleting DataAt S a e!
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Usage Data - Web Request project es.wikipedia
ip_address 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
page COVID-19
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username pepito_editor
ip_address 3x.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
session_id 8c878625792be023
edit_count 4257
ui_skin minerva
Usage Data -Behavioura
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200,000 web requestsPER sec (at peak)
![Page 25: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/25.jpg)
200,000 web requestsPER sec (at peak)
2,000eventsPER sec
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Deleting DataDeleting DataAre you sure?
Cancel Delete
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--dry-run undef -> execute
--tables-to-delete undef -> all
--execute undef -> dry-run
--tables-to-delete undef -> none * -> all
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--database=event--tables=menuClicks--wikis=en.wikipedia--older-than=90--skip-trash=true
Executing tests… Tests passed. Starting DRY-RUN. Checking partitions to delete… Partitions that would be deleted by execution: - year=2019, month=1, day=1, hour=0, wiki=en.wikipedia - year=2019, month=1, day=1, hour=0, wiki=es.wiktionary - year=2019, month=1, day=1, hour=0, wiki=de.wikibooks - year=2019, month=1, day=1, hour=1, wiki=en.wikipedia - year=2019, month=1, day=1, hour=1, wiki=es.wiktionary - year=2019, month=1, day=1, hour=1, wiki=de.wikibooks - year=2019, month=1, day=1, hour=2, wiki=en.wikipedia - year=2019, month=1, day=1, hour=2, wiki=es.wiktionary - year=2019, month=1, day=1, hour=2, wiki=de.wikibooks DRY-RUN finished.
Parameter checksum: 57ca7987d987e9e98a6c79
--execute=<checksum>
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--database=event--tables=menuClicks--wikis=en.wikipedia--older-than=90--skip-trash=true
Executing tests… Tests passed. Starting DRY-RUN. Checking partitions to delete… Partitions that would be deleted by execution: - year=2019, month=1, day=1, hour=0, wiki=en.wikipedia - year=2019, month=1, day=1, hour=0, wiki=es.wiktionary - year=2019, month=1, day=1, hour=0, wiki=de.wikibooks - year=2019, month=1, day=1, hour=1, wiki=en.wikipedia - year=2019, month=1, day=1, hour=1, wiki=es.wiktionary - year=2019, month=1, day=1, hour=1, wiki=de.wikibooks - year=2019, month=1, day=1, hour=2, wiki=en.wikipedia - year=2019, month=1, day=1, hour=2, wiki=es.wiktionary - year=2019, month=1, day=1, hour=2, wiki=de.wikibooks DRY-RUN finished.
Parameter checksum: 57ca7987d987e9e98a6c79
--execute=<checksum>
#1 Dry-run
#2 Execute
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Sanit ing Data
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Sanit ing Data
Ad ance
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Clients
Event Processor (Spark)
HTTP Beacon Endpoint
VarnishkafkaKafka
Varnish HDFS
Behavioural data
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Clients
Event Processor (Spark)
Sanitized Events
Events <90 days
HTTP Beacon Endpoint
VarnishkafkaKafka
Varnish
Allow-list
HDFS
https://github.com/wikimedia/analytics-refinery-source/tree/master/refinery-job
Behavioural data
![Page 34: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/34.jpg)
date 2019-01-01
ip 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
wiki en.wikipedia
action click
target menu
Unsanitized
![Page 35: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/35.jpg)
date 2019-01-01
ip 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
wiki en.wikipedia
action click
target menu
UnsanitizedDo-not-allow-list
![Page 36: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/36.jpg)
date 2019-01-01
ip 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
wiki en.wikipedia
action click
target menu
Unsanitizeddate 2019-01-01
ip NULL
user_agent NULL
wiki en.wikipedia
action click
target menu
SanitizedDo-not-allow-list
![Page 37: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/37.jpg)
date 2019-01-01
ip 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
wiki en.wikipedia
action click
target menu
cookie_id 724310
Unsanitizeddate 2019-01-01
ip NULL
user_agent NULL
wiki en.wikipedia
action click
target menu
cookie_id 724310
SanitizedDo-not-allow-list
![Page 38: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/38.jpg)
date 2019-01-01
ip 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
wiki en.wikipedia
action click
target menu
UnsanitizedAllow-list
![Page 39: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/39.jpg)
date 2019-01-01
ip 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
wiki en.wikipedia
action click
target menu
Unsanitizeddate 2019-01-01
ip NULL
user_agent NULL
wiki en.wikipedia
action click
target menu
SanitizedAllow-list
![Page 40: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/40.jpg)
Unsanitizeddate 2019-01-01
ip 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
wiki en.wikipedia
action click
target menu
cookie_id 724310
date 2019-01-01
ip NULL
user_agent NULL
wiki en.wikipedia
action click
target menu
cookie_id NULL
SanitizedAllow-list
![Page 41: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/41.jpg)
Unsanitizeddate 2019-01-01
ip 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
wiki en.wikipedia
action click
target menu
cookie_id 724310
date 2019-01-01
ip Spain
user_agent NULL
wiki en.wikipedia
action click
target menu
cookie_id NULL
SanitizedAllow-list
![Page 42: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/42.jpg)
Unsanitizeddate 2019-01-01
ip 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
wiki en.wikipedia
action click
target menu
cookie_id 724310
date 2019-01-01
ip Spain
user_agent Linux
wiki en.wikipedia
action click
target menu
cookie_id NULL
SanitizedAllow-list
![Page 43: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/43.jpg)
Unsanitizeddate 2019-01-01
ip 31.214.189.167
user_agent Mozilla/5.0 (X11; Linux ...
wiki en.wikipedia
action click
target menu
cookie_id 724310
date 2019-01-01
ip Spain
user_agent Linux
wiki en.wikipedia
action click
target menu
cookie_id 8d56ab209e10
SanitizedAllow-list
#
![Page 44: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/44.jpg)
PrivacyCulture
![Page 45: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/45.jpg)
Privacy is not the responsibility of one team.
All processes and metrics take privacy into account from the beginning until the end.
![Page 46: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/46.jpg)
SELECT COUNT(DISTINCT uuid)FROM database.tableWHERE date = ’2019-01-01’;
UUID, REQ
Unique Device - DAU or MAU
UUID, REQ
UUID
![Page 47: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/47.jpg)
Unique Device
UUID, REQ
UUID
SELECT page_title uuidFROM database.tableWHERE date = ’2019-01-01’ and uuid =<some>
![Page 48: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/48.jpg)
LAST ACCESS
Unique Device
2020-09-01
https://diff.wikimedia.org/2016/03/30/unique-devices-dataset/
![Page 49: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/49.jpg)
LAST ACCESS
LA, REQLA, REQ (today: 2020-10-15)
2020-09-01
2020-09-01
Unique Device
![Page 50: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/50.jpg)
LAST ACCESS
LA, REQLA, REQ (today: 2020-10-15)
2020-09-01
2020-09-01
Timestamp IP Page Cookies
2020-10-15 776.9.* Titanic Last-Access=2020-09-01
Unique Device
![Page 51: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/51.jpg)
LAST ACCESS
LA, REQLA, REQ (today: 2020-10-15)
2020-09-01Timestamp IP Page Cookies
2020-10-15 776.9.* Titanic Last-Access=2020-09-01
2020-09-01
Unique Device
![Page 52: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/52.jpg)
LAST ACCESS
LA, REQLA, REQ (today: 2020-10-15)
2020-10-15
Timestamp IP Page Cookies
2020-10-15 776.9.* Titanic Last-Access=2020-09-01
2020-10-15
Unique Device
![Page 53: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/53.jpg)
LAST ACCESS
Unique Device
2020-10-15
![Page 54: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/54.jpg)
LAST ACCESS
LA, REQLA, REQ (today: 2020-10-15)
2020-10-15
2020-10-15
Unique Device
![Page 55: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/55.jpg)
LAST ACCESS
LA, REQLA, REQ (today: 2020-10-15)
2020-10-15Timestamp IP Page Cookies
2020-10-15 776.9.* Titanic Last-Access=2020-09-01
2020-10-15
2020-10-15 776.9.* Everest Last-Access=2020-10-15
Unique Device
![Page 56: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/56.jpg)
SELECT COUNT(*) FROM database.tableWHERE (last-access-date IS NULL OR last-access-date < date)AND date = ’2020-10-15’;
LAST ACCESS
LA, REQLA, REQ (today: 2020-10-15)
Unique Device
![Page 57: the Lean Data Diet - USENIX...the Lean Data Diet Free Knowledge Movement “Imagine a world in which every single human being can freely share in the sum of all knowledge”. Should](https://reader036.vdocument.in/reader036/viewer/2022071416/6112323169c5a9163a3d8342/html5/thumbnails/57.jpg)
Timestamp IP Page Cookies
-> 2020-03-15 776.9.* Titanic Last-Access=2020-09-01
2020-03-15 776.9.* Everest Last-Access=2020-10-15
SELECT COUNT(*) FROM database.tableWHERE (last-access-date IS NULL OR last-access-date < date)AND date = ’2020-10-15’;
Unique Device
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The Lean Data Diet
Less work related to data requests
Easier to make data public
Guarantee of Privacy
Extra work
Privacy culture needs time
Data Analysis needs a different mindset
Pr Con
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Privacy is a Feature
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Questions?
https://xkcd.com/285
[email protected] @pantojacoderAll pictures https://creativecommons.org/publicdomain/zero/1.0/