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Parquet

target-parquet from estrategiahq

Columnar Storage Format

The target-parquet Meltano loader pulls data from Parquet that can then be sent to a destination using a loader.

Other Available Variants

Getting Started

Prerequisites

If you haven't already, follow the initial steps of the Getting Started guide:

  1. Install Meltano
  2. Create your Meltano project

Installation and configuration

  1. Add the target-parquet loader to your project using 
    meltano add
     : 
    2. meltano add loader target-parquet
  2. Configure the target-parquet settings using 
    meltano config
     : 
    3. meltano config target-parquet set --interactive

Next steps

If you run into any issues, learn how to get help.

Capabilities

The current capabilities for 
target-parquet
may have been automatically set when originally added to the Hub. Please review the capabilities when using this loader. If you find they are out of date, please consider updating them by making a pull request to the YAML file that defines the capabilities for this loader.

This plugin has the following capabilities:

    You can override these capabilities or specify additional ones in your meltano.yml by adding the capabilities key.

    Settings

    The target-parquet settings that are known to Meltano are documented below. To quickly find the setting you're looking for, click on any setting name from the list:

    You can override these settings or specify additional ones in your meltano.yml by adding the settings key.

    Please consider adding any settings you have defined locally to this definition on MeltanoHub by making a pull request to the YAML file that defines the settings for this plugin.

    Disable Collection (disable_collection)

    • Environment variable: TARGET_PARQUET_DISABLE_COLLECTION

    A boolean of whether to disable Singer anonymous tracking.

    Logging Level (logging_level)

    • Environment variable: TARGET_PARQUET_LOGGING_LEVEL

    (Default - INFO) The log level. Can also be set using environment variables.

    Destination Path (destination_path)

    • Environment variable: TARGET_PARQUET_DESTINATION_PATH

    (Default - '.') The path to write files out to.

    Compression Method (compression_method)

    • Environment variable: TARGET_PARQUET_COMPRESSION_METHOD

    Compression methods have to be supported by Pyarrow, and currently the compression modes available are - snappy (recommended), zstd, brotli and gzip.

    Streams In Separate Folder (streams_in_separate_folder)

    • Environment variable: TARGET_PARQUET_STREAMS_IN_SEPARATE_FOLDER

    (Default - False) The option to create each stream in a different folder, as these are expected to come in different schema.

    File Size (file_size)

    • Environment variable: TARGET_PARQUET_FILE_SIZE

    The number of rows to write per file. The default is to write to a single file.

    Something missing?

    This page is generated from a YAML file that you can contribute changes to.

    Edit it on GitHub!

    Looking for help?

    If you're having trouble getting the target-parquet loader to work, look for an existing issue in its repository, file a new issue, or join the Meltano Slack community and ask for help in the 
    #plugins-general
    channel.

    Install

    meltano add loader target-parquet

    Maintenance Status

    • Maintenance Status
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    Maintainer

    • Estratégia

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    Keywords

    • file