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  1. Core Server
  2. SERVER-34858

WiredTiger crash - checksum failed

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Details

    • Icon: Bug Bug
    • Resolution: Done
    • Icon: Major - P3 Major - P3
    • None
    • 3.6.4
    • WiredTiger
    • None
    • Host system: Ubuntu 16.04.4 with 32GB RAM (But MongoDB runs inside Docker-image)
    • Server Triage
    • ALL

    Description

      Hey,

      we are using MongoDB within a machine learning project in Python. After starting the Python-script everything runs perfect first until at some point MongoDB crashes. It seems pretty random at which point that happens but it has happend three times in a row, now.

       

      We are using MongoDB inside a Docker container and am currently using the image mongo:latest. The used server version is 3.6.4.

       

      The message says that the calculated block checksum doesn't match the expected checksum. I will append the log at this issue. Unfortunately, we don't know why and when this error happens. The script is basically a loop iterating over the data, feeding it into a machine learning model and writing results back into MongoDB. It's always the same code that gets executed inside the loop but at some random iteration MongoDB crashes.

       

      I hope you can help me because we really don't know how we can find and fix that issue.

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            backlog-server-triage Backlog - Triage Team
            florian.krebs Florian Krebs
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