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dma-ais / AisTrack

Live monitoring of AIS vessel targets
Apache License 2.0
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Errorneous AIS data not evicted #1

Open tejl opened 9 years ago

tejl commented 9 years ago

A request to /ais-track/tracks/ will return a number of AisTargets, which seems to consist of wrong data. Some of them are specifically positioned in the middle og Greenland. Most of them are positioned close to a horizontal line a long 69 50.000N and comes from AIS sources 811 (HELCOM) and 812 (NorthSea). It seems that more and more a pilling up along 69 50.000N.

If requesting details by /ais-track/tracks?mmsi=, then it seems that lastReport (timestamp) is often more than 10 days old.

These AIS erroneous data should some be evicted from the cache.

tejl commented 8 years ago

The problem has not been solved. Solution to #2 means that less erroneous ais targets are present, but the ones making their way into the cache are still never evicted.