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Re: [geomesa-users] Geomesa HBase query cache
Hi Emilio,

Thanks again for your answer. This is how I geeting the count in the J

2017-03-01 15:40 GMT+01:00 Emilio Lahr-Vivaz <elahrvivaz@xxxxxxxx>:
Hi José,

We haven't implemented caching of stats yet for hbase. Because of this, any time you ask for cached stats it will return empty. If you ask for --no-cache, it will run the stats, but it still won't store the results.

How are you calling the count method in Java? There are various options for not returning the cached counts depending on what you're doing.

Thanks,

Emilio


On 03/01/2017 09:21 AM, Jose Bujalance wrote:
Hello,

I have been trying to do some queries on Geomesa HBase and I have some problems with the cache.
First of all, I have made a jar where I query a Geomesa catalog with a BBox. After seeing that Geomesa returned 0 points (which I have verified that is not true), I have done the same query on the Geomesa command line. The result is again 0. However, when I make the exact same query adding the flag --no-cahe, then I get the correct result:

geomesa-hbase stats-count -c Geoloc_Praxedo_catalog -f history_feature_nodate_conf -q 'BBOX(coords, 48.815215, 2.249294, 48.904295, 2.419337)' --no-cache

What seems strange to me is that even after having calculated the 'count' with the --no-cache flag, when I execute the same query again without the flag, it still keeps on returning 0.

So my questions are:
1) Where is this cache memory stored ?
2) How is the cache updated ?
3) Can I remove this option from the java API (something equivalent to the flag --no-cache), so that when I execute my jar it doesn't return the 0 value stored in the cache ?

Thanks a lot for your time.

All the best,
José


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