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NodeBB slow after DB recovery

Solved Performance
  • One thing I noticed was that after recovering the assets and database onto a test server: (see below)

    The performance of the replica NodeBB install was painfully slow. After much searching and hair pulling, I found that the indexes seemed to be missing - a point which is referenced by NodeBB themselves here

    When I checked /api/recent it was indeed slow - like a snail. So, at their suggestion, I opened up mongodb and added the missing indexes

    db.objects.createIndex({ _key: 1, score: -1 }, { background: true });
    db.objects.createIndex({ _key: 1, value: -1 }, { background: true, unique: true, sparse: true });
    db.objects.createIndex({ expireAt: 1 }, { expireAfterSeconds: 0, background: true });

    The difference is quite astonishing. Now it runs like the Ferrari I’ve come to love and respect ♥

    Might be useful for someone else in the same boat…

  • phenomlabundefined phenomlab has marked this topic as solved on

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