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Incomplete numbered shard specs partition when index task fails and retries #11322

Closed as not planned

Description

@nishantmonu51

Affected Version

0.21.1

Description

Loaded a large dataset using the native parallel index. The load ran for 4 hrs, during that some tasks failed and retried.
Noticed that the numbered shards generated for the interval were not continuous and were missing in between overall max(partition_num) was 2289, however, the total shard count was 2263.
On a quick look it seems that on a subtask failure, it may happen that some partition numbers were allocated to a task and are never pushed, on a retry, the new task gets newer partition numbers.

The overall result was that the ingestion completed successfully with retries and the coordinator loaded the data.
The broker segment timeline was incomplete due to missing partition numbers and the data was never queryable.

Activity

  1. abhishekagarwal87 commented on Jun 2, 2021

    @abhishekagarwal87
    Contributor

    It should get fixed by #11189

  2. mr000al commented on Jun 21, 2021

    @mr000al

    We're facing the same issue - has anyone found a temporary work around on this?

  3. github-actions commented on Nov 6, 2023

    @github-actions

    This issue has been marked as stale due to 280 days of inactivity.
    It will be closed in 4 weeks if no further activity occurs. If this issue is still
    relevant, please simply write any comment. Even if closed, you can still revive the
    issue at any time or discuss it on the dev@druid.apache.org list.
    Thank you for your contributions.

  4. github-actions commented on Dec 4, 2023

    @github-actions

    This issue has been closed due to lack of activity. If you think that
    is incorrect, or the issue requires additional review, you can revive the issue at
    any time.

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