14.5. Using the FileSystem Data Store Programmatically¶
14.5.1. Creating a Data Store¶
An instance of a FileSystem data store can be obtained through the normal GeoTools discovery methods, assuming that the GeoMesa code is on the classpath:
Map<String, String> parameters = new HashMap<>;
parameters.put("fs.path", "hdfs://localhost:9000/fs-root/");
org.geotools.data.DataStore dataStore = org.geotools.data.DataStoreFinder.getDataStore(parameters);
More information on using GeoTools can be found in the GeoTools user guide.
14.5.2. FileSystem Data Store Parameters¶
The FileSystem data store takes several parameters (required parameters are marked with *
):
Parameter | Type | Description |
---|---|---|
fs.path * |
String | The root path to write and read data from (e.g. s3a://mybucket/datastores/testds) |
fs.encoding |
String | The file encoding used when creating a new schema. If not specified here, it must
be configured with geomesa.fs.encoding in the SimpleFeatureType user data.
Provided implementations are parquet and orc . |
fs.read-threads |
Int | The number of threads used for queries |
fs.writer.partition.timeout |
String | Timeout for closing a partition file after write, e.g. ‘60 seconds’. This is to prevent too many open files during large write operations. |
fs.config |
String | Configuration values, formatted as a Java properties file, that will be passed to the underlying FileSystem |