date | 2015-08-03 |
title | Kafka Outage |
note | We had a Kafka outage that caused traffic to look like it dropped. This is purely a bug, no actual drop in traffic was observed. The incident report can be found at https://wikitech.wikimedia.org/wiki/Incident_documentation/20150803-Kafka |
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date | 2015-08-10 |
start | 2015-08-10 |
end | 2015-08-12 |
title | Kafka Outage |
note | We had problems with Kafka that caused traffic to look like it dropped. This was again a bug, no actual drop in traffic was observed. The incident report can be found at https://wikitech.wikimedia.org/wiki/Incident_documentation/20150810-Kafka |
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|
date | 2015-09-15 |
title | Better bot detection |
note | We improved web crawler detection, which resulted to a lot more pageviews being tagged as 'spider'. This means traffic on vital-signs will appear to drop, sometimes dramatically like in the case of commons. The actual traffic hasn't decreased, we're just categorizing it differently now. |
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|
date | 2015-11-19 |
title | Better bot detection |
note | We slightly improved web crawler detection, which resulted to some more pageviews being tagged as 'spider'. This means traffic on vital-signs will appear to drop, sometimes dramatically like in the case of Wikidata. The actual traffic hasn't decreased, we're just categorizing it differently now. |
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|
date | 2016-04-01 |
start | 2016-04-01 |
end | 2016-05-02 |
title | Bug on App pageviews |
note | Artificial decrease of measured app pageviews due to an analytics bug related to the Android app's gradual switch to RESTBase (T132965). |
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|
date | 2016-07-20 |
start | 2016-07-20 |
end | 2016-08-16 |
title | Chrome Bug |
note | Increase of pageviews of Main_Page due to possible bug in Chrome 41 and windows 10/7 (T141506). We send HTTP 401 since August 16th and that stopped traffic. |
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|
date | 2021-06-04 |
start | 2021-06-04 |
end | 2022-01-26 |
title | Traffic data loss due to a number of caching nodes not collecting data |
note | See T300164. Global pageviews under reported by 2 to 4% between 4 June and 3 November, and by 5 to 8% between 4 November and 27 January. |
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|
date | 2021-11-03 |
start | 2021-11-03 |
end | 2021-11-03 |
title | End of traffic data loss due to a number of caching nodes not collecting data |
note | See T300164. Global pageviews under reported by 2 to 4% between 4 June and 3 November, and by 5 to 8% between 4 November and 27 January. |
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