--- title: "Aritra Chakraborty (@aidatalegends) | Hashnode" description: "Writing about practical AI and data engineering at aidatalegends.com. Read the latest articles by Aritra Chakraborty on Hashnode." url: "https://hashnode.com/@aidatalegends" --- @aidatalegends # Aritra Chakraborty @aidatalegends · Kolkata, India · Joined October 2026 Writing about practical AI and data engineering at aidatalegends.com [Website](https://aidatalegends.com/) ### [ClickHouse Cloud Executable UDFs GA: Native Code, Network Access, and Query-Level Metrics](https://aidatalegends.hashnode.dev/clickhouse-cloud-executable-udfs-ga-native-code-network-access-and-query-level-metrics?utm_source=hashnode&utm_medium=feed) LLM observability has a data problem hiding inside a measurement problem. Teams collect prompts, completions, model names, latency, and trace identifiers, but token-usage fields are not always present 4 min read · [aidatalegends.hashnode.dev](https://aidatalegends.hashnode.dev/clickhouse-cloud-executable-udfs-ga-native-code-network-access-and-query-level-metrics?utm_source=hashnode&utm_medium=feed) [1d ago](https://hashnode.com/posts/clickhouse-cloud-executable-udfs-ga-native-code-network-access-and-query-level-metrics/6af369295396ff02840171e3) ### [How IFCO Cut a 7-Hour dbt Job to 2 Hours 20 Minutes on Databricks](https://aidatalegends.hashnode.dev/how-ifco-cut-a-7-hour-dbt-job-to-2-hours-20-minutes-on-databricks?utm_source=hashnode&utm_medium=feed) A data pipeline does not need a radical rewrite to become dramatically faster. Sometimes, the biggest gains come from making an incremental model truly incremental—and finding out what the query engin 4 min read · [aidatalegends.hashnode.dev](https://aidatalegends.hashnode.dev/how-ifco-cut-a-7-hour-dbt-job-to-2-hours-20-minutes-on-databricks?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/how-ifco-cut-a-7-hour-dbt-job-to-2-hours-20-minutes-on-databricks/6af3681b5454f0d485c2adb9) [1d ago](https://hashnode.com/posts/how-ifco-cut-a-7-hour-dbt-job-to-2-hours-20-minutes-on-databricks/6af3681b5454f0d485c2adb9) ### [Fivetran Managed Data Lake Write Credentials: Letting Engines Write to Iceberg and Delta Safely](https://aidatalegends.hashnode.dev/fivetran-managed-data-lake-write-credentials-letting-engines-write-to-iceberg-and-delta-safely?utm_source=hashnode&utm_medium=feed) Fivetran says Managed Data Lake Write Credentials are now generally available, letting query engines run DDL and DML against lake tables. Engines authenticate via OAuth2 client credentials—one Client 3 min read · [aidatalegends.hashnode.dev](https://aidatalegends.hashnode.dev/fivetran-managed-data-lake-write-credentials-letting-engines-write-to-iceberg-and-delta-safely?utm_source=hashnode&utm_medium=feed) [1d ago](https://hashnode.com/posts/fivetran-managed-data-lake-write-credentials-letting-engines-write-to-iceberg-and-delta-safely/6af366ffac8a74b48d947e04) ### [Netflix Conductor 4.0: Scaling Workflows to 30,000 Tasks with Asynchronous Evaluation](https://aidatalegends.hashnode.dev/netflix-conductor-4-0-scaling-workflows-to-30-000-tasks-with-asynchronous-evaluation?utm_source=hashnode&utm_medium=feed) How Netflix rebuilt its workflow engine to go from about 2,500 to 30,000 tasks per workflow, and what it means for your orchestrator 4 min read · [aidatalegends.hashnode.dev](https://aidatalegends.hashnode.dev/netflix-conductor-4-0-scaling-workflows-to-30-000-tasks-with-asynchronous-evaluation?utm_source=hashnode&utm_medium=feed) [Oct 28](https://hashnode.com/posts/netflix-conductor-4-0-scaling-workflows-to-30-000-tasks-with-asynchronous-evaluation/6ae209bf0b4d2a1d2246ea62) ### [OpenAI Dots: A Persistent Cloud Agent for 4,000+ Apps](https://aidatalegends.hashnode.dev/openai-dots-a-persistent-cloud-agent-for-4-000-apps?utm_source=hashnode&utm_medium=feed) An always-on cloud agent on GPT-6 Astra with 4,000+ app integrations, and why the cheaper GPT-6.1 Sol changes its economics 3 min read · [aidatalegends.hashnode.dev](https://aidatalegends.hashnode.dev/openai-dots-a-persistent-cloud-agent-for-4-000-apps?utm_source=hashnode&utm_medium=feed) [Oct 26](https://hashnode.com/posts/openai-dots-a-persistent-cloud-agent-for-4-000-apps/6adf83d897e881f41f9fa69c)