Question

In hadoop, why does the parquet format occupy higher memory than the original txt when I test?

score 36 · Answer 1 · 2023-09-24T16:45:37.237000

36

Views

In hadoop, why does the parquet format occupy higher memory than the original txt when I test?

Published on 24 September 2023 at 16:45

score 188 · Answer 2 · 2021-12-08T20:50:37.390000

188

Views

Deserialize an in-memory Hadoop sequence file object

Published on 08 December 2021 at 20:50

score 173 · Answer 3 · 2021-09-07T11:30:15.637000

173

Views

Migrating a huge Bigtable database in GCP from one account to another using DataFlow

Published on 07 September 2021 at 11:30

score 226 · Answer 4 · 2021-08-10T09:39:11.443000

226

Views

Java Map Reduce use SequenceFIle as reducer output

Published on 10 August 2021 at 09:39

score 768 · Answer 5 · 2021-02-14T11:59:52.613000

768

Views

java.io.EOFException not a SequenceFile on empty file

Published on 14 February 2021 at 11:59

score 164 · Answer 6 · 2021-02-07T21:31:57.437000

164

Views

Most efficient storage format for HDFS data

Published on 07 February 2021 at 21:31

score 380 · Answer 7 · 2020-12-12T10:35:54.710000

380

Views

Convert SequenceFile as DataFrame

Published on 12 December 2020 at 10:35

score 397 · Answer 8 · 2020-01-21T14:10:24.617000

397

Views

sequence files from sqoop import

Published on 21 January 2020 at 14:10

score 280 · Answer 9 · 2019-08-13T11:29:06.420000

280

Views

Two ways to read hdfs sequece file, but one failed with EOFException

Published on 13 August 2019 at 11:29

score 487 · Answer 10 · 2019-06-30T11:16:27.870000

487

Views

Return value of Linux kernel sequence 'show' routine

Published on 30 June 2019 at 11:16

score 69 · Answer 11 · 2019-04-26T12:26:33.120000

69

Views

Is it possible to only evaluate the Key when reading a SequenceFile in Spark?

Published on 26 April 2019 at 12:26

score 400 · Answer 12 · 2018-11-10T14:06:44.540000

400

Views

Not serializable result: org.apache.hadoop.io.IntWritable when reading Sequence File with Spark / Scala

Published on 10 November 2018 at 14:06

score 1.8k · Answer 13 · 2018-11-10T07:31:30.240000

1.8k

Views

unable to create dataframe from sequence file in Spark created by Sqoop

Published on 10 November 2018 at 07:31

score 129 · Answer 14 · 2018-10-26T11:03:09.523000

129

Views

Append to hadoop sequence file

Published on 26 October 2018 at 11:03

score 1.6k · Answer 15 · 2018-10-20T18:10:03.137000

1.6k

Views

Find compression codec used for an hadoop file

Published on 20 October 2018 at 18:10

score 759 · Answer 16 · 2018-09-17T00:31:51.257000

759

Views

kafka-connect-hdfs : SequenceFileWriter creates badfiles on connector restarts causing EOFException in the SequenceFileReader

Published on 17 September 2018 at 00:31

score 397 · Answer 17 · 2018-09-12T10:37:08.773000

397

Views

Apache-spark Error: Task failed while writing rows into sequenceFile

Published on 12 September 2018 at 10:37

score 12.4k · Answer 18 · 2018-08-30T11:59:26.837000

12.4k

Views

How to read/write protocol buffer messages with Apache Spark?

Published on 30 August 2018 at 11:59

score 71 · Answer 19 · 2018-08-16T14:47:15.917000

71

Views

No size difference between Hadoop SequenceFile and TextFile?

Published on 16 August 2018 at 14:47

score 287 · Answer 20 · 2018-06-18T17:57:50.160000

287

Views

How to create an hbase sequencefile key in Spark for load to Bigtable?

Published on 18 June 2018 at 17:57

List Question

In hadoop, why does the parquet format occupy higher memory than the original txt when I test?

Deserialize an in-memory Hadoop sequence file object

Migrating a huge Bigtable database in GCP from one account to another using DataFlow

Java Map Reduce use SequenceFIle as reducer output

java.io.EOFException not a SequenceFile on empty file

Most efficient storage format for HDFS data

Convert SequenceFile as DataFrame

sequence files from sqoop import

Two ways to read hdfs sequece file, but one failed with EOFException

Return value of Linux kernel sequence 'show' routine

Is it possible to only evaluate the Key when reading a SequenceFile in Spark?

Not serializable result: org.apache.hadoop.io.IntWritable when reading Sequence File with Spark / Scala

unable to create dataframe from sequence file in Spark created by Sqoop

Append to hadoop sequence file

Find compression codec used for an hadoop file

kafka-connect-hdfs : SequenceFileWriter creates badfiles on connector restarts causing EOFException in the SequenceFileReader

Apache-spark Error: Task failed while writing rows into sequenceFile

How to read/write protocol buffer messages with Apache Spark?

No size difference between Hadoop SequenceFile and TextFile?

How to create an hbase sequencefile key in Spark for load to Bigtable?

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