[jira] [Updated] (IMPALA-12348) Segfault when selecting >500 columns with a filter

["Saulius Valatka (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-12348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Saulius Valatka updated IMPALA-12348:
-------------------------------------
    Attachment: part-00000-50adce0a-aaff-4030-9f9e-9c2093562f87.c000.snappy.parquet

> Segfault when selecting >500 columns with a filter
> --------------------------------------------------
>
>                 Key: IMPALA-12348
>                 URL: https://issues.apache.org/jira/browse/IMPALA-12348
>             Project: IMPALA
>          Issue Type: Bug
>          Components: be
>    Affects Versions: Impala 4.2.0
>            Reporter: Saulius Valatka
>            Priority: Major
>         Attachments: 89da31ae-cc29-4394-e8c984a6-f9d9eeb3.dmp, gdb.txt, part-00000-50adce0a-aaff-4030-9f9e-9c2093562f87.c000.snappy.parquet
>
>
> Impala daemon consistently crashes with a segfault when selecting a few hundred columns with a filter from a Parquet based table, i.e.: a query like:
> {{select x1, x2, ..., x500 from table where x1 = 'value' limit 100}}
> It doesn't seem to matter what columns are selected/filtered, as long as a certain threshold is reached. Interestingly it does not crash without the filter. Same queries did not crash with Impala 3.2.0.
> Attached a gdb backtrace from a debug build. Also attached a minidump, but I see it's only showing ?? backtraces for some reason.



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