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Add ability to serialize input vector and sql if expression evaluation crashes #6402

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Add ability to serialize input vector and sql if expression evaluation crashes #6402

wants to merge 1 commit into from

Commits on Sep 16, 2023

  1. Add ability to serialize input vector and sql if expression evaluatio… 

    …n crashes (facebookincubator#6402)

Summary:

This adds an experimental flag
'experimental_velox_save_input_on_fatal_signal' that when set to
true, serializes the input vector data and all the SQL expressions
in the ExprSet that is currently executing whenever a fatal signal
is encountered. Enabling this flag makes the signal handler async
signal unsafe, so it should only be used for debugging purposes.

Differential Revision: D48891649
    @facebook-github-bot
    Bikramjeet Vig authored and facebook-github-bot committed Sep 16, 2023
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