---
title: "Discussion on \"DataWeave partition() for Bulk API Responses\" | Hashnode"
description: "Discussion on \"DataWeave partition() for Bulk API Responses\". Our bulk import API returned 200 OK on every request. Nobody noticed that 40% of records were failing silently for 3 days.\nTL;DR\n\npartition() from dw::core::Arrays splits an array into success/failure groups in one pass\nBuild summary (total, succeede..."
url: "https://hashnode.com/posts/dataweave-partition-for-bulk-api-responses/69db146ac10bae8d905064eb"
---

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# [DataWeave partition() for Bulk API Responses](https://thasha.hashnode.dev/dataweave-partition-for-bulk-api-responses?utm_source=hashnode&utm_medium=feed)

Our bulk import API returned 200 OK on every request. Nobody noticed that 40% of records were failing silently for 3 days. TL;DR partition() from dw::core::Arrays splits an array into success/failure groups in one pass Build summary (total, succeede...

Apr 12 · 3 min read · thasha.hashnode.dev  
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