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Questions tagged [geomesa]

GeoMesa is an open-source, distributed, spatio-temporal database built on top of different cloud data storage systems such as Accumulo, HBase, Cassandra, and Kafka. It aims to provide spatial querying and data manipulation functionalities to those databases in the same fashion as PostGIS does to Postgres.

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154 questions
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Composite partition key (Cassandra) vs. interleaved indexes (Accumulo, BigTable) for time-spatial series

I'm working on a project in which we import 50k - 100k datapoints every day, located both temporally (YYYYMMDDHHmm) and spatially (lon, lat), which we then dynamically render onto maps according to the query parameters set by our users. We do use…
Jacoscaz
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Geomesa export returns no results despite data being present

Was wondering if you could please help us understand an issue when querying geomesa/Accumulo? Issue: When we query for all fields with geomesa export -u A -p B -c catalog1 -f d1-json -F csv it returns data (see below for sample). When we add a…
mds91
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Running GeoMesa HBase on AWS S3, how do I ingest / export remotely

I am running Geomesa-Hbase on an EMR cluster, set up as described here. I'm able to ssh into the Master and ingest / export from there. How would I ingest / export the data remotely from for example a lambda function (preferably a python solution).…
Rob Wanders
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EMR HBase Read Replica backed by S3 is not able to connect via Java API

Problem Introduction I am using AWS EMR 5.29 version that uses HBase 1.4.10 version. I am trying to connect Geomesa with the HBase read-only cluster. While connecting to the EMR cluster via AWS ECS service (using HBase Java client code), I am…
Amit
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How can I download GeoMesa on Azure Databricks?

I am interested in performing Big Data Geospatial analysis on Apache Spark. My data is stored in Azure data lake, and I am restricted to use Azure Databricks. Is there anyway to download Geomesa on Databrick? Moreover, I would like to use the python…
I. A
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Geomesa bounding box query Accuracy

Geomesa is a spatial temporal database, more details are available here: http://www.geomesa.org/ I am trying the example tutorial, by setting up Hbase database with it. I am running the Hbase QuickStart tutorial…
Sandeep Singh
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Using GeoMesa Native API to insert data in accumulo

I am trying to insert and read data from accumulo storage using GeoMesa Native API. I have created a class file to use geomesa accumulo storage natively. Here is my java code : package org.locationtech.geomesa.api; import…
Suresh Prajapati
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GeoMesa - Differences between the supported Data Stores?

I am skimming through the documentation of GeoMesa and the table of contents exposes a number of supported data stores that can be used: Specific back-end implementations are described in the following chapters: Accumulo Data Store Kafka…
j9dy
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GeoMesa export query error

Problem: When I try to run below query it gives error. Is there something missing in the CQL query or is a jar file missing ? Also whether it is just a GeoMesa error or accumulo error. Is there any other way to query GeoMesa and get results in a CSV…
kaxil
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How to query a gemesa-accumulo feature using command line

I ingested data in geomesa accumulo using sfts and converters, Data was ingested successfully and i can visualise the same data using geoserver plugin. I want to filter feature data using command line but however not able to find any commands to do…
Suresh Prajapati
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Java exception: When running with master 'yarn' either HADOOP_CONF_DIR or YARN_CONF_DIR must be set in the environment

I built the jupyter/pyspark-notebook Docker image. I installed geomesa_pyspark and tried to run the following example commands from the official guide. import geomesa_pyspark conf = geomesa_pyspark.configure( …
Luigi
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Geomesa: Radius query DWITHIN(geo, POINT (80.57944937597278 69.63928679990498), 130.0, meters) is very long

I have cassandra with geomesa, in there I have next schema ~  bin/geomesa-cassandra_2.11-3.3.0/bin/geomesa-cassandra describe-schema -P localhost:9042 -u cassandra -p cassandra -k geomesa -c gsm_events -f SignalBuilder INFO Describing attributes…
r.gomboev
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Geomesa: how to get last geopoint and how to get unique attributes within bbox?

I have cassandra with geomesa, in there I have next schema ~  bin/geomesa-cassandra_2.11-3.3.0/bin/geomesa-cassandra describe-schema -P localhost:9042 -u cassandra -p cassandra -k geomesa -c gsm_events -f SignalBuilder INFO Describing attributes…
r.gomboev
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Geomesa on Databricks - library installation fails

I would like to install the Geomesa library on Databricks, but choosing any geomesa library goes automatically to "failed". I have tried all of the available versions. What am I doing wrong?
Olgaraa
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Remote Filtering Based on JSON Attributes in Geomesa HBase

I'm trying to run a query that filters based on json attributes against a Geomesa HBase cluster with remote filtering enabled (hbase.remote.filtering = true). However, the query is failing due to an IllegalArgumentException with error message…
Gabby
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