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ORES query with many statistics results in 503
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Description

E.g.

https://ores.wikimedia.org/v3/scores/huwiki/?models=damaging|goodfaith&model_info=statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.15%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.45%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.6%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.75%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.9%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.98%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.99%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.995%22|statistics.thresholds.true.%22maximum%20filter_rate%20@%20recall%20%3E=%200.9%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.15%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.45%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.6%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.75%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.9%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.98%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.99%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.995%22|statistics.thresholds.false.%22maximum%20filter_rate%20@%20recall%20%3E=%200.9%22

will result in an 503 from Varnish;

https://ores.wikimedia.org/v3/scores/huwiki/?models=damaging|goodfaith&model_info=statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.15%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.45%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.6%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.75%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.9%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.98%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.99%22|statistics.thresholds.true.%22maximum%20recall%20@%20precision%20%3E=%200.995%22|statistics.thresholds.true.%22maximum%20filter_rate%20@%20recall%20%3E=%200.9%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.15%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.45%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.6%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.75%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.98%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.99%22|statistics.thresholds.false.%22maximum%20recall%20@%20precision%20%3E=%200.995%22|statistics.thresholds.false.%22maximum%20filter_rate%20@%20recall%20%3E=%200.9%22

which has one less stat works fine. (So 18 is the limit if I'm counting correctly.)

Event Timeline

Restricted Application added a subscriber: Aklapper. · View Herald Transcript
Halfak triaged this task as Medium priority.Oct 9 2019, 8:53 PM
Halfak moved this task from Unsorted to Maintenance/cleanup on the Machine-Learning-Team board.
Halfak subscribed.

Thanks for reporting! This is interesting and weird. We'll look into it.

elukey subscribed.

The ML team is focusing on https://wikitech.wikimedia.org/wiki/Machine_Learning/LiftWing, the replacement of ORES. Please re-open if you feel that something is missing, but we'd prefer to add any new functionality only on Lift Wing.