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### Symptom
On OCHCA [http://ochca.ics.uci.edu](http://ochca.ics.uci.edu), use keyword `passport covid` and switch to **pinmap**;
You will see the points are shown and then disappear soon;
### Po…
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Whenever we set up an AsterixDB cluster for Twittermap, we need to be careful about the number of concurrently opened files. For example, in CentOS, `/etc/security/limits.conf` handles this setting. S…
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- [x] (T1) Binary data transfer for Pinmap and Heatmap queries. #780 #784
- [x] (T2) Update Noah module to use extended twitter API to include `full_text`. #801
- [x] (T3) TwitterMap server side c…
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For each query sent from the UI, cache the query results on the TwitterMap server. Invalidate it after some time (e.g., 5 mins). This method can reduce the number of queries to Cloudberry.
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# Background #
Some times, we need to expose our backup Twittermap server to the outside when production Twittermap server is under maintenance. And to reduce confusion to end users, we need to put a…
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Currently, our ingestion module and schema both use old TwitterAPI with only `text` field, while TwitterAPI has published an extended version with another `full_text` field which contains twice length…
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The default map tile provide is no longer in service. Now it returns this error message:
```{"message":"Classic styles are no longer supported; see https://blog.mapbox.com/deprecating-studio-classi…
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# Overview
Since late 2017, AsterixDB has introduced a feature which allows user to create a primary index on a table (called dataset in AsterixDB), so that a `select count(*) from table;` query will…
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Our proposal is building a dashboard for the hashtag. User enter the dashboard in the side bar of the twittermap and trigger to zoom out the hashtag data bar into the dashboard.
The features we pl…