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[IMPALA-6442] Misleading file offset reporting in error messages - Impala - [issue]
...HdfsParquetScanner::ProcessFooter has an error message "File $0 has invalid file metadata at file offset $1." However, the value reported as "file offset" is an offset from the end of the fi...    Author: Zoltan Ivanfi , 2018-09-13, 20:27
[IMPALA-7427] Write Impala version information to footer field of Parquet - Impala - [issue]
...PARQUET-352 added support for the "" property in the Parquet metadata to identify the object model (application) that wrote the file....    Author: Zoltan Ivanfi , 2018-08-13, 16:17
How to perform hot Kudu table swap after upgrade to Impala 2.12? - Impala - [mail # user]
...Hi,I think swapping tables is indeed a common need and not only for Kudutables. For this reason this workaround was not particularly good in myopinion as it was Kudu-specific. Since Impala t...
   Author: Zoltan Ivanfi , 2018-07-30, 14:14 From headers being re-written on this list - Impala - [mail # dev]
...Hi,I have seen this happening for other e-mail addresses and on other mailinglists as well. I may be wrong, but I would suppose it is a deliberateanti-spam measure.ZoltanOn Tue, Jun 26, 2018...
   Author: Zoltan Ivanfi , 2018-07-12, 14:22
[IMPALA-6527] NaN values lead to incorrect statistics filtering under certain circumstances - Impala - [issue]
...SummaryIf the first number in a row group written by Impala is NaN, then Impala writes incorrect statistics in the metadata. This will result in incorrect results when filtering the data.Rep...    Author: Zoltan Ivanfi , 2018-05-24, 03:07
[expand - 3 more] - Inconsistent float/double sort order in spec and implementations can lead to incorrect results - Impala - [mail # dev]
...In parquet-mr, if you are looking for a value that is not equal to somereference value r and stats are min = r and max = r then that row group isdiscarded, because there can not be any other...
   Author: Zoltan Ivanfi , 2018-02-20, 17:25
[IMPALA-6539] Implement specification-compliant floating point comparison - Impala - [issue]
...Currently, the floating point comparison order defined by parquet-format is ambigous and different implementations use different orderings. Once the specification is made unambigous (PARQUET...    Author: Zoltan Ivanfi , 2018-02-19, 16:17
[IMPALA-5982] String columns saved to Parquet files should be annotated with the UTF8 logical type - Impala - [issue]
...When creating Parquet files, Impala doesn't add the proper logical type corresponding to the string SQL type. String columns should be annotated with the UTF8 logical type.The lack of the UT...    Author: Zoltan Ivanfi , 2017-10-10, 20:21
[IMPALA-4371] Incorrect DCHECK-s in hdfs-parquet-table-writer - Impala - [issue]
...The following two DCHECK-s in seem to be invalid:    // Last page might be empty    if (page.header.data_page_header.num_values == 0) { ...    Author: Zoltan Ivanfi , 2016-12-01, 12:22
[IMPALA-4006] bin/ contains dangerous rm -rf statements, which can delete everything it has access to - Impala - [issue]
...Today bin/ deleted my whole git clone, including unsubmitted code. The issue was reproducible, I attached logs of it.I inspected $IMPALA_HOME, which contained the correct pat...    Author: Zoltan Ivanfi , 2016-09-02, 11:56