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Ashish Singh

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Mastering OpenSearch Snapshots: From Basics To Advanced StrategiesOpenSearchCon North America 20252025-09-08
Covers concrete ops and numbers: repository tests on S3/Azure/GCS, hashed prefix snapshots to spread backend partitions, and shallow v2 snapshots that reduce…
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Monitoring Your OpenSearch Cluster EffectivelyOpenSearchCon India 20252025-06-03
Explains why clusters go red (primary shard loss from node drops) and how large aggregations trigger G1GC OOM from large aggregations; recommends right‑sizing…
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Mastering Snapshots in OpenSearch: From Basics To Advanced Strategi...OpenSearchCon India 20252025-06-03
OpenSearch adds concrete snapshot features: searchable snapshots let queries run directly from S3/GCS/Azure without full restore and use caching and node…
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Improving interactive querying experience on Spark SQLApacheCon@Home 20212021-09-21
Pinterest runs over 700 PB on S3 and ~150,000 daily compute jobs, so interactive Spark SQL needs low latency and isolation. The solution uses Apache Livy in…
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