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[ML] Fix possible race condition when starting datafeed #51302

Merged
merged 1 commit into from
Jan 22, 2020
Merged

[ML] Fix possible race condition when starting datafeed #51302

merged 1 commit into from
Jan 22, 2020

Commits on Jan 22, 2020

  1. [ML] Fix possible race condition when starting datafeed 

    The ID of the datafeed's associated job was being obtained
frequently by looking up the datafeed task in a map that
was being modified in other threads.  This could lead to
NPEs if the datafeed stopped running at an unexpected time.

This change reduces the number of places where a datafeed's
associated job ID is looked up to avoid the possibility of
failures when the datafeed's task is removed from the map
of running tasks during multi-step operations in other
threads.

Fixes elastic#51285
    @droberts195
    droberts195 committed Jan 22, 2020
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