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This implies that for each dataset, there will be a directory with a list of partitioned files. Currently, we produce our datasets in either Parquet or JSON format. Both of these formats allow us to expose nested information in a machine-readable way. Next we describe how to download, access and query this information in a step-by-step guide. Sample Files Download If you need example dummy files for testing or demo and presentation purpose, this is a great place for you. The files might be useful for testing upload, HTML5 videos etc. All files are free to download and use. We care for our content. All files are safe from viruses and adults-only content. Video files. We shall start by creating a database, followed by creating a table that will contain the Parquet file. We need will then create a file format for the Parquet file. The steps are as follows Let&x27;s first create a database where we will create our table and load it with some sample data CREATE DATABASE C3R4; Copy.

2014. 5. 5. &0183;&32;Download. HERE Sample for Oracle Analytics. This dmp (DataPump 12c Export) file contains the updated HERE (aka OBIEENAVTEQ) sample dataset for use with Oracle Analytics. It can be imported into an Oracle Database 12.1.x or higher. Instructions for deploying it are available here. ADLS Gen2 storage. Now, we want to access and read these files in Spark for further processing for our business requirement. In this post, we are going to read a file from Azure Data Lake Gen2 using PySpark.Prerequisite. For this post, it is required to have Azure Data Lake Storage; Azure Databricks; Solution. 2017. 1. 18. 183; Above code will create parquet files in input-parquet directory. To do that, we first need to remove spaces from columns names. I decided to convert it to snake case After converting the names we can save our dataframe to Databricks table df.write.format.

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Oct 10, 2022 Apache Parquet is a columnar file format that provides optimizations to speed up queries. It is a far more efficient file format than CSV or JSON. For more information, see Parquet Files. Options See the following Apache Spark reference articles for supported read and write options. Read Python Scala Write Python Scala. filedownload. Download code. bookmarkborder. Bookmark. code. Embed notebook. menu. Skip to content. Create. code. New Notebook. tablechart. New Dataset. emojievents. New Competition. search. Parquet file for the 8th and 9th afternoons Python &183; TalkingData AdTracking Fraud Detection Challenge. Parquet file for the 8th and 9th. File containing data in PARQUET format. File has header. Column details column columnname hivedatatype. 1 registrationdttm timestamp.

Below you will find a selection of sample .csv document files for you to download. On the right there are some details about the file such as its size so you can best decide which one will fit your needs. sample4.csv. Download. CSV 7.73 KB. sample3.csv. Download. CSV 723.00 B. sample2.csv. This implies that for each dataset, there will be a directory with a list of partitioned files. Currently, we produce our datasets in either Parquet or JSON format. Both of these formats allow us to. To maximize performance, set the target size of a Parquet row group to the number of bytes less than or equal to the block size of MFS, HDFS, or the file system using the store.parquet.block. 2022. 2. 27. &0183;&32;Apache Parquet is a file format designed to support fast data processing for complex data, with several notable characteristics 1. Columnar Unlike row-based formats such as CSV or Avro, Apache Parquet is column-oriented meaning the values of each table column are stored next to each other, rather than those of each record 2. Open-source.

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File containing data in PARQUET format. File has header. Column details column columnname hivedatatype. 1 registrationdttm timestamp. Oct 18, 2022 Use container client and get the list of blobs from the specified path. Use listblob function with prefix"part-" which will get one partition at a time (filter only parquet partition) Read the parquet file from step 2. Repeat step 2 and 3 and append the partitions to form a complete dataframe.. Nov 08, 2022 Pyspark provides a parquet () method in DataFrameReader class to read the parquet file into dataframe. Below is an example of a reading parquet file to data frame. parDF spark. read. parquet ("tmpoutputpeople.parquet") Append or Overwrite an existing Parquet file Using append save mode, you can append a dataframe to an existing parquet file.. . 2022. 2. 27. 183; Apache Parquet is a file format designed to support fast data processing for complex data, with several notable characteristics 1. Columnar Unlike row-based formats. The following are 30 code examples of pyarrow.parquet().You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links.

Apr 27, 2016 Step 1 - Alternate You can download the Zip file from httpsgithub.comairisdataavroparquet and unzip. It will name it avroparquet-master. Step 2 Clone Parquet Map Reduce Tools (for.. Example on Parquet file Scala > val parquet File sql Context. parquet File (home sreekanth SparkSQLInput users.parquet) parquet File org. apache. spark. sql. Data Frame name.

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  • The file format for opendataset() is controlled by the format parameter, which has a default value of "parquet".If you had a directory of Arrow format files, you could instead specify format "arrow" in the call. Other supported formats include "feather" or "ipc" (aliases for "arrow", as Feather v2 is the Arrow file format) "csv" (comma-delimited files) and "tsv" (tab-delimited files). All files will be stored in the PARQUET format. Please see the &x27;Working With PARQUET Format&x27; under the Data Dictionaries and MetaData section. Trip data will be published monthly (with two months delay) instead of bi-annually. HVFHV files will now include 17 more columns (please see High Volume FHV Trips Dictionary for details).
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Example on Parquet file Scala > val parquet File sql Context. parquet File ("home sreekanth SparkSQLInput users.parquet") parquet File org. apache. spark. sql. Data Frame name string, favoritehero string, Favoritecolor string Scala > parquet File. register Temp Table ("parquet File") Scala>parquet File. print Schema root. Parquet is a columnar format that is supported by many other data processing systems. Spark SQL provides support for both reading and writing Parquet files that automatically preserves the schema of the original data. When reading Parquet files, all columns are automatically converted to be nullable for compatibility reasons..

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Sample CSV Files Download CSV Comma Separated Values Below you will find a selection of sample .csv document files for you to download. On the right there are some details about the file such as its size so you can best decide which one will fit your needs. sample4.csv Download CSV 7.73 KB sample3.csv Download CSV 723.00 B sample2.csv Download. .

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Oct 18, 2022 Use container client and get the list of blobs from the specified path. Use listblob function with prefix"part-" which will get one partition at a time (filter only parquet partition) Read the parquet file from step 2. Repeat step 2 and 3 and append the partitions to form a complete dataframe.. Re Reading Parquet file in Sas 9.4m6 locally. Parquet is a binary compressed columnar data storage format. SAS has no means of reading this format directly; SAS can only do it via other applications such as Hive or Impala. This is similar to SAS not being a able to read a SQL Server file directly, it can only do so by using the SQL Server APIs.

Dec 03, 2020 If you want to download a file from Azure data lake store with a service principal, we need to grant the security principal read access to the file and give the security principal Execute permissions to the container and each folder in the hierarchy of folders that lead to the file. For example Please check it and set the right ACL.. Users must add them to complete the suggested data type and match the equivalent Parquet type. Unsupported Common Data Model doesn&x27;t offer out-of-box equivalents. Depending on the use case, users can define new data types but it will not be standard. The following code snippet sets integer data type to Common Data Model attribute. Example on Parquet file Scala > val parquet File sql Context. parquet File ("home sreekanth SparkSQLInput users.parquet") parquet File org. apache. spark. sql. Data Frame name string, favoritehero string, Favoritecolor string Scala > parquet File. register Temp Table ("parquet File") Scala>parquet File. print Schema root.

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Apr 14, 2018 2. As mentioned in the comments, instead of downloading the actual file, you might have downloaded the Block Blob file which is an Azure&39;s implementation to handle and provide FileSystem like access when the blob storage is being used as a filesystem (Azure HDInsight clusters have their HDFS backed with Azure Blob Storage).. If you installed Drill in distributed mode, or your sample-data directory differs from the location used in the examples. Change the sample-data directory to the correct location before you run the queries. Region File. To view the data in the region.parquet file, issue the following query. The first step is to create our Dataset object, pointing at the directory of data. ds <- opendataset("nyc-taxi", partitioning c("year", "month")) The default file format for. If you installed Drill in distributed mode, or your sample-data directory differs from the location used in the examples. Change the sample-data directory to the correct location before you run the queries. Region File. To view the data in the region.parquet file, issue the following query. Dec 03, 2020 If you want to download a file from Azure data lake store with a service principal, we need to grant the security principal read access to the file and give the security principal Execute permissions to the container and each folder in the hierarchy of folders that lead to the file. For example Please check it and set the right ACL..

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The following are 19 code examples of pyarrow.parquet.ParquetFile().You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functionsclasses of the module pyarrow.parquet, or try the search function. Apr 19, 2022 Genomics Data Lake. The Genomics Data Lake provides various public datasets that you can access for free and integrate into your genomics analysis workflows and applications. The datasets include genome sequences, variant info and subjectsample metadata in BAM, FASTA, VCF, CSV file formats.. Parquet is a columnar format that is supported by many other data processing systems. Spark SQL provides support for both reading and writing Parquet files that automatically preserves the schema of the original data. When writing Parquet files, all columns are automatically converted to be nullable for compatibility reasons. To download the PDF file named 25MB.pdf that was just uploaded to the sampleFileColumn file column on the account record, this sample uses an DownloadFile static method that accepts all the parameters needed to make the following requests If the file was succesfully uploaded, initialize the download with the.

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OPENROWSET function enables you to read the content of parquet file by providing the URL to your file. Read parquet file. The easiest way to see to the content of your PARQUET file is to. Parquet Data File To Download Sample Twitter When it comes to storing intermediate data between steps of an application Parquet can provide more advanced capabilities. Each area will fit into memory of a standard work station with RAM of 32GB. Configuring the size of Parquet files by setting the storeparquetblock-size can improve write. At a high level, the parquet file consists of header, one or more blocks and footer. The parquet file format contains a 4-byte magic number in the header (PAR1) and at the end of the footer. This is a magic number indicates that the file is in parquet format. All the file metadata stored in the footer section.

The first step is to create our Dataset object, pointing at the directory of data. ds <- opendataset("nyc-taxi", partitioning c("year", "month")) The default file format for. The above sample shows how to create Parquet file from typed POCO class objects. 3.3. Configuration First Approach. In this model, we define the Parquet configuration with all the necessary parameters along with Parquet columns required to generate the sample Parquet file. Listing 3.3.1 Define Parquet configuration. Nov 08, 2022 Pyspark provides a parquet () method in DataFrameReader class to read the parquet file into dataframe. Below is an example of a reading parquet file to data frame. parDF spark. read. parquet ("tmpoutputpeople.parquet") Append or Overwrite an existing Parquet file Using append save mode, you can append a dataframe to an existing parquet file..

2022. 9. 20. &0183;&32;Creates a new instance of ParquetDataSet pointing to a concrete Parquet file on a specific filesystem. Parameters filepath (str) Filepath in POSIX format to a Parquet file prefixed with a protocol like s3. If prefix is not provided, file protocol (local filesystem) will be used. The prefix should be any protocol supported by fsspec. Download or create sample csv. vi test.csv id,name,amount 1,Ola McGee,40 2,Callie Taylor,65 3,Jesus Kennedy,43 4,Irene Freeman,56 5,Essie Carson,40 6,Marc McCarthy,62 . Parquet File Format. Same as Avro we will create Parquet and ORC table and insert data from plaintext table. 0 jdbchive2. Hackolade is a visual editor for Parquet schema for non-programmers. To perform data modeling for Parquet schema with Hackolade, you must first download the Avro plugin. Hackolade was specially adapted to support the schema design of Parquet schema. The application closely follows the Parquet terminology. Parquet Schema.

Nov 11, 2022 I expected to download the parquet file with the size up to 300MB and read the file using python script in azure function http trigger by get method request.. Apache Parquet is an open source, column-oriented data file format designed for efficient data storage and retrieval. It provides efficient data compression and encoding schemes with. Aug 05, 2022 The type property of the dataset must be set to Parquet. Yes location Location settings of the file(s). Each file-based connector has its own location type and supported properties under location. See details in connector article -> Dataset properties section. Yes compressionCodec The compression codec to use when writing to Parquet files..

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Querying a File System; Querying a File System Introduction; Querying Avro Files; Querying JSON Files; Querying Parquet Files; Querying Plain Text Files; Querying Directories; Querying Sequence Files; Querying HBase; Querying Complex Data; Querying Complex Data Introduction; Sample Data Donuts; Selecting Flat Data; Using SQL Functions, Clauses. Documentation Download Apache Parquet is an open source, column-oriented data file format designed for efficient data storage and retrieval. It provides efficient data compression and encoding schemes with enhanced performance to handle complex data in bulk. Parquet is available in multiple languages including Java, C, Python, etc.. Sample Files Download If you need example dummy files for testing or demo and presentation purpose, this is a great place for you. The files might be useful for testing upload, HTML5 videos etc. All files are free to download and use. We care for our content. All files are safe from viruses and adults-only content. Video files.

Apr 19, 2022 Genomics Data Lake. The Genomics Data Lake provides various public datasets that you can access for free and integrate into your genomics analysis workflows and applications. The datasets include genome sequences, variant info and subjectsample metadata in BAM, FASTA, VCF, CSV file formats.. Dec 03, 2020 If you want to download a file from Azure data lake store with a service principal, we need to grant the security principal read access to the file and give the security principal Execute permissions to the container and each folder in the hierarchy of folders that lead to the file. For example Please check it and set the right ACL..

Load a JSON file with autodetect schema; Load a Parquet file; Load a Parquet to replace a table; Load a table in JSON format; Load an Avro file; Load an Avro file to replace a table; Load an ORC file; Load an ORC file to replace a table; Load data from DataFrame; Load data into a column-based time partitioning table; Migration Guide pandas-gbq. Jul 01, 2021 download. To list Parquet files for August 1, 2021, you can use. aws s3 ls &92; --request-pay requester &92; s3parquethmainnetblocksdt2021-07-01. To copy them locally, aws s3 cp &92; --request-pay requester &92; --recursive &92; s3parquethmainnetblocksdt2021-07-01 &92; dt2021-07-01.. The following are 19 code examples of pyarrow.parquet.ParquetFile().You can vote up the ones you like or vote down the ones you don&x27;t like, and go to the original project or source file by following the links above each example.

At a high level, the parquet file consists of header, one or more blocks and footer. The parquet file format contains a 4-byte magic number in the header (PAR1) and at the end of the footer. This is a magic number indicates that the file is in parquet format. All the file metadata stored in the footer section. I realize that you may have never heard of the Apache Parquet file format. Similar to a CSV file, Parquet is a type of file. Parquet is a free and open-source file format that is available to any. If you installed Drill in distributed mode, or your sample-data directory differs from the location used in the examples. Change the sample-data directory to the correct location before you run the queries. Region File. To view the data in the region.parquet file, issue the following query.

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2022. 8. 18. &0183;&32;Configuring the size of Parquet files by setting the storeparquetblock-size can improve write performance. If you need example dummy files for testing or demo and presentation purpose this is a great place for you. The download consists of a zip containing 9 parquet files. All files are free to download and use. Optiver Realized Volatility. Convert a CSV to Parquet with Pandas python srccsvtoparquet.py; CSV > Parquet with PySpark python srcpysparkcsvtoparquet.py; CSV > Parquet with Koalas python srckoalascsvtoparquet.py; More info. Read this blog post for more information on how to write Parquet files with Python.. Nov 11, 2022 I expected to download the parquet file with the size up to 300MB and read the file using python script in azure function http trigger by get method request.. Sample CSV Files Download CSV Comma Separated Values Below you will find a selection of sample .csv document files for you to download. On the right there are some details about the file such as its size so you can best decide which one will fit your needs. sample4.csv Download CSV 7.73 KB sample3.csv Download CSV 723.00 B sample2.csv Download.

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. So while the Parquet file format is well-supported in the Java and Python world, we saw a gap in Go support. Tour Start here for a quick overview of. In mapping data flows, you can read and write to parquet format in the following data stores Azure Blob Storage, Azure Data Lake Storage Gen1, Azure Data Lake Storage Gen2 and.

Oct 10, 2022 Apache Parquet is a columnar file format that provides optimizations to speed up queries. It is a far more efficient file format than CSV or JSON. For more information, see Parquet Files. Options See the following Apache Spark reference articles for supported read and write options. Read Python Scala Write Python Scala. 2021. 7. 1. &0183;&32;download. To list Parquet files for August 1, 2021, you can use. Each Parquet file covers one thousand blocks, . Data is licensed under a CC BY-NC-SA 4.0 license. For a sample, available without --request-pay requester, see sample page. ParquETH. for information; infoparqueth.com;.

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1. Download or create sample csv. vi test.csv id,name,amount 1,Ola McGee,40 2,Callie Taylor,65 3,Jesus Kennedy,43 4,Irene Freeman,56 5,Essie Carson,40 6,Marc McCarthy. 2015. 1. 27. &0183;&32;Our steps were done using a three node CDH 5.2.0 cluster which has Hive 0.13.1 and Impala 2.0.1. First, gather some data. In this example, we grabbed temperature data from the US government. We took the hourlyTEMP2014.zip data, which after uncompressed, is around 1GB. Not large by any means, but enough to use in this example. So while the Parquet file format is well-supported in the Java and Python world, we saw a gap in Go support. Tour Start here for a quick overview of. In mapping data flows, you can read and write to parquet format in the following data stores Azure Blob Storage, Azure Data Lake Storage Gen1, Azure Data Lake Storage Gen2 and.

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2022. 8. 18. &0183;&32;Configuring the size of Parquet files by setting the storeparquetblock-size can improve write performance. If you need example dummy files for testing or demo and presentation purpose this is a great place for you. The download consists of a zip containing 9 parquet files. All files are free to download and use. Optiver Realized Volatility. Jul 01, 2021 download. To list Parquet files for August 1, 2021, you can use. aws s3 ls &92; --request-pay requester &92; s3parquethmainnetblocksdt2021-07-01. To copy them locally, aws s3 cp &92; --request-pay requester &92; --recursive &92; s3parquethmainnetblocksdt2021-07-01 &92; dt2021-07-01.. Below you will find a selection of sample .csv document files for you to download. On the right there are some details about the file such as its size so you can best decide which one will fit your needs. sample4.csv. Download. CSV 7.73 KB. sample3.csv. Download. CSV 723.00 B. sample2.csv. In my case, I downloaded awswrangler-layer-1.0.1-py3.8.zip . In AWS Lambda Panel, open the layer section (left side) and click create layer. Set name and python version, upload your fresh.

Documentation Download Apache Parquet is an open source, column-oriented data file format designed for efficient data storage and retrieval. It provides efficient data compression and encoding schemes with enhanced performance to handle complex data in bulk. Parquet is available in multiple languages including Java, C, Python, etc.. Querying a File System; Querying a File System Introduction; Querying Avro Files; Querying JSON Files; Querying Parquet Files; Querying Plain Text Files; Querying Directories; Querying Sequence Files; Querying HBase; Querying Complex Data; Querying Complex Data Introduction; Sample Data Donuts; Selecting Flat Data; Using SQL Functions, Clauses. Best place for sample PDF download in 2022. To read and edit any PDF document or file, you must have a dependable, practical, and user-friendly attractive PDF viewer and editor on your phone or computer. WPS PDF Tool is a sample PDF download reader and editor. It is a handy PDF reader. Download WPS Office and use it to view and edit PDF files.

Nov 11, 2022 I expected to download the parquet file with the size up to 300MB and read the file using python script in azure function http trigger by get method request.. Sample Files Download. If you need example dummy files for testing or demo and presentation purpose, this is a great place for you. The files might be useful for testing upload, HTML5 videos etc. All files are free to download and use. We care for our content. All files are safe from viruses and adults-only content.. Also it is columnar based, but at the same time supports complex objects with multiple levels. Apache Parquet is a part of the Apache Hadoop ecosystem. Apache Parquet is extensively.

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Nov 11, 2022 I expected to download the parquet file with the size up to 300MB and read the file using python script in azure function http trigger by get method request.. 2022. 2. 27. &0183;&32;Apache Parquet is a file format designed to support fast data processing for complex data, with several notable characteristics 1. Columnar Unlike row-based formats such as CSV or Avro, Apache Parquet is column-oriented meaning the values of each table column are stored next to each other, rather than those of each record 2.

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Open parquet file. To delete multiple files , just loop over your lis. Readers are expected to first read the file metadata to find all the column chunks they are interested in. The columns chunks should then be read sequentially. The format is explicitly. Each Parquet file covers one thousand blocks, except for the last file for the date that may have less. Data is compressed with GZip. Datasets reside in s3parqueth-sample bucket, and can. Nov 11, 2022 I expected to download the parquet file with the size up to 300MB and read the file using python script in azure function http trigger by get method request..

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Open parquet file. To delete multiple files , just loop over your lis. Documentation Download . Apache Parquet is an open source, column-oriented data file format designed for efficient data storage and retrieval. It provides efficient data compression and encoding schemes with enhanced performance to handle complex data in bulk. Parquet is available in multiple languages including Java, C, Python, etc.. I realize that you may have never heard of the Apache Parquet file format. Similar to a CSV file, Parquet is a type of file. Parquet is a free and open-source file format that is available to any.

Jan 27, 2021 parquet data file to download sample Download Here - httpshttpstinyurl.comyyv7jwy9. parquet data file to download sample Photo via AmyHebe19361670 parquet data file to download sample Maria Taylor MariaTa92102901 Jan 26, 2021 Download here - httpsis.gdxjaH0V. 3 Youre up to date. 2022. 9. 15. &0183;&32;To use Parquet with Hive 010 012 you must download the Parquet Hive package from the Parquet project. Create linked services Linked services are the connectorsdrivers that youll need. To maximize performance set the target size of a Parquet row group to the number of bytes less than or equal to the block size of MFS HDFS or the file system using the.

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Apr 25, 2021 This repository hosts sample parquet files from here. I have made following changes Removed registrationdttm field because of its type INT96 being incompatible with Avro. Subsituted null for ipaddress for some records to setup data for filtering.. In the previous section, we have read the Parquet file into DataFrame now let&x27;s convert it to CSV by saving it to CSV file format using dataframe.write.csv ("path") . df. write . option ("header","true") . csv ("tmpcsvzipcodes.csv") In this example, we have used the head option to write the CSV file with the header, Spark also supports. 2022. 10. 30. &0183;&32;In this example, we are reading data from an apache parquet. val df spark. read. parquet ("srcmainresourceszipcodes.parquet") Alternatively, you can also write the above statement as read parquet file val df spark. read. format ("parquet") . load ("srcmainresourceszipcodes.parquet") df. show () df. printSchema (). 2018. 6. 19. &0183;&32; there might be more easy ways to access single parquets, but i had nested dirs dirpath, dirnames, filenames next (walk (parquetdir), (none, ,)) for each parquet file, i.e. table in our database, spark creates a tempview with the respective table name equal the parquet filename print ('new tables available n') for parquet in. Mar 16, 2021 A file URL can also be a path to a directory that contains multiple partitioned parquet files. Both pyarrow and fastparquet support paths to directories as well as file URLs. Engine- By default it .. Nov 11, 2022 I expected to download the parquet file with the size up to 300MB and read the file using python script in azure function http trigger by get method request..

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