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Type:
Bug
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Resolution: Done
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: JavaScript
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Labels:None
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ALL
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When executing a batch update for one of our collections(5806 docs) we suddenly get a:
error: MongoError: BSONObj size: 16797454 (0x1004F0E) is invalid. Size must be between 0 and 16793600(16MB) First element: update: "collection_name"
using the node native driver at 3.1.10 on latest mongo 4.0 series @atlas
const bulk = db.collection(coll).initializeUnorderedBulkOp()
docs.forEach((\{query, update}) => bulk.find(query).updateOne(update)
bulk.execute()
While I managed to work around this issue by using manually decreasing the batch size via
let bulk = db.collection(coll).initializeUnorderedBulkOp(); let counter = 0; for (const \{query, update} of docs) { bulk.find(query).updateOne(update); counter++; if ( counter % 500 == 0 ) { bulk.execute(); counter = 0; bulk = db.collection(coll).initializeUnorderedBulkOp(); } }
as i get the docs this should be handled internally.
- is caused by
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- Closed
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