Hi all
I tried to compile parqut-cpp as decribed here:
https://tutorials.technology/tutorials/21-how-to-compile-and-install-arrow-from-source-code.html
on "Debian GNU/Linux 8 (jessie)"
It works but at the last step it says:
/usr/bin/ld:
Hi all!
I program in Java and I use PARQUET with HADOOP because I need to write/read
to/from hdfs. I'm a bit confused because of the contradiction between the
columnar nature of PARQUET and the ParquetReader/Writer in version 1.9.0 of
parquet-hadoop from org.apache.parquetand version 1.6.0 of
11:35 PM, Jörg Anders <jrg.and...@ymail.com.invalid>
wrote:
> Hi all!
> I program in Java and I use PARQUET with HADOOP because I need to
> write/read to/from hdfs. I'm a bit confused because of the contradiction
> between the columnar nature of PARQUET and the ParquetReader/W
Hi all!
I have a general question concerning PARQUET.
PARQUET is a columnar store. But the typical Apache PARQUET Writer/Reader loops
use a row by row strategy:
Iterator itr = theValues.iterator();
while (itr.hasNext()) {
writer.write(groupFromValue(itr.next()));
}
writer.close();
Hi all!
Does anybody know why the images are deleted at
https://parquet.apache.org/documentation/latest/
after headline "File format" and "Metadata"?
Joerg
Hi all!
For some reason I haev to know much more about the parquet format. Meanwhile I
know the column chunk can be found at
FileMetaData.row_groups[x].columns[x].file_offsetIf I compreheded all right at
file_offset starts the repetition level array followed by the definition leve
array
Hello!
I tried to compile apache-mr from source. Got lot of errors of this sort:
/home/hduser/PARQUET/src/parquet-mr/parquet-protobuf/target/generated-test-sources/java/org/apache/parquet/proto/test/TestProto3.java:[12496,20]
no suitable method found for
