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Errorneous AIS data not evicted #1

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tejl opened this issue Sep 15, 2015 · 1 comment
Open

Errorneous AIS data not evicted #1

tejl opened this issue Sep 15, 2015 · 1 comment
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bug v1.0

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@tejl
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tejl commented Sep 15, 2015

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 tejl added the bug label Sep 15, 2015
@tejl tejl self-assigned this Sep 15, 2015
@tejl tejl added the v1.0 label Sep 30, 2015
tejl added a commit that referenced this issue Sep 30, 2015
@tejl
#1: evicting ais targets if not updated the past 48 hours. #3: using …
611534d 
…TargetTrackerFileBackupService to backup AIS data to disk and reload upon server restart.
@tejl tejl closed this as completed Oct 2, 2015
@tejl tejl reopened this Oct 11, 2015
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tejl commented Oct 11, 2015

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.

@tejl tejl added v1.0.1 and removed v1.0.1 labels Oct 11, 2015
tejl added a commit that referenced this issue Oct 11, 2015
@tejl
#1: attempt to solve problem of erroneous data never being evicted fr…
5f041c5 
…om the cache.
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