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parquet    音标拼音: [pɑrk'e]
n. 木条镶花之地板,楼下正面后排池座
vt. 铺木条镶花地板

木条镶花之地板,楼下正面後排池座铺木条镶花地板

parquet
n 1: a floor made of parquetry [synonym: {parquet}, {parquet floor}]
2: seating on the main floor between the orchestra and the
parquet circle

Parquet \Par*quet"\ (p[aum]r*k[=a]" or p[aum]r*k[e^]t"), n. [F.
See {Parquetry}.]
[1913 Webster]
1. A body of seats on the floor of a music hall or theater
nearest the orchestra; but commonly applied to the whole
lower floor of a theater, from the orchestra to the dress
circle; the pit.
[1913 Webster]

2. Same as {Parquetry}.
[1913 Webster]

3. In various European public bourses, the railed-in space
within which the "agents de change," or privileged
brokers, conduct business; also, the business conducted by
them; -- distinguished from the {coulisse}, or outside
market.
[Webster 1913 Suppl.]

4. In most European countries, the branch of the
administrative government which is charged with the
prevention, investigation, and punishment of crime,
representing the public and not the individual injured.
[Webster 1913 Suppl.]


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  • What are the pros and cons of the Apache Parquet format compared to . . .
    30,36,2 Parquet files are most commonly compressed with the Snappy compression algorithm Snappy compressed files are splittable and quick to inflate Big data systems want to reduce file size on disk, but also want to make it quick to inflate the flies and run analytical queries Mutable nature of file Parquet files are immutable, as described
  • Is it possible to read parquet files in chunks? - Stack Overflow
    The Parquet format stores the data in chunks, but there isn't a documented way to read in it chunks like read_csv Is there a way to read parquet files in chunks?
  • Python: save pandas data frame to parquet file - Stack Overflow
    Is it possible to save a pandas data frame directly to a parquet file? If not, what would be the suggested process? The aim is to be able to send the parquet file to another team, which they can
  • How to view Apache Parquet file in Windows? - Stack Overflow
    97 What is Apache Parquet? Apache Parquet is a binary file format that stores data in a columnar fashion Data inside a Parquet file is similar to an RDBMS style table where you have columns and rows But instead of accessing the data one row at a time, you typically access it one column at a time
  • What file extension is the correct way to name parquet files?
    <file-name> parquet : 1) This is the standard and most widely accepted naming convention 2) The compression codec is stored in the Parquet file metadata, not in the filename 3) Tools like Apache Spark, Hive, AWS Athena, and Snowflake expect parquet files regardless of compression
  • Is it better to have one large parquet file or lots of smaller parquet . . .
    The only downside of larger parquet files is it takes more memory to create them So you can watch out if you need to bump up Spark executors' memory row groups are a way for Parquet files to have vertical partitioning Each row group has many row chunks (one for each column, a way to provide horizontal partitioning for the datasets in parquet)
  • Extension of Apache parquet files, is it . pqt or . parquet?
    I wonder if there is a consensus regarding the extension of parquet files I have seen a shorter pqt extension, which has typical 3-letters (like in csv, tsv, txt, etc) and then there is a rather long (therefore unconventional (?)) parquet extension which is widely used
  • How to read a Parquet file into Pandas DataFrame?
    How to read a modestly sized Parquet data-set into an in-memory Pandas DataFrame without setting up a cluster computing infrastructure such as Hadoop or Spark? This is only a moderate amount of data that I would like to read in-memory with a simple Python script on a laptop
  • Inspect Parquet from command line - Stack Overflow
    How do I inspect the content of a Parquet file from the command line? The only option I see now is $ hadoop fs -get my-path local-file $ parquet-tools head local-file | less I would like to avoid
  • hadoop - Avro vs. Parquet - Stack Overflow
    Parquet is efficiently used by lots of other frameworks like Spark, Presto, Hive etc Avro is not specific to Spark, it is widely used as a HDFS storage format and message passing scenarios like in Kafka





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