Senior Software Engineer at Salesforce on the Phoenix Database team. Writing about distributed systems, databases, and large-scale infrastructure.https://palashc.github.io/https://palashc.github.io/blog/phoenix-adapters-service/https://palashc.github.io/blog/phoenix-adapters-service/Your DynamoDB app, unchanged, on Apache Phoenix. No new SDK, no new data model, no rewrite.Mon, 01 Jun 2026 00:00:00 GMThttps://palashc.github.io/blog/phoenix-dynamodb-parity/eventually-consistent-indexes/https://palashc.github.io/blog/phoenix-dynamodb-parity/eventually-consistent-indexes/Taking index maintenance off the write path with a CDC stream and an async consumer, so writes stay fast when a table has many indexes.Mon, 25 May 2026 00:00:00 GMThttps://palashc.github.io/blog/phoenix-dynamodb-parity/cdc-stream-improvements/https://palashc.github.io/blog/phoenix-dynamodb-parity/cdc-stream-improvements/Why an ordered consumer needs region lineage, and how Phoenix tracks it as stream metadata in SYSTEM.CDC_STREAM.Mon, 18 May 2026 00:00:00 GMThttps://palashc.github.io/blog/phoenix-dynamodb-parity/bson-document-support/https://palashc.github.io/blog/phoenix-dynamodb-parity/bson-document-support/Storing schemaless documents in a Phoenix column, and reading, filtering, and updating their fields server-side.Mon, 11 May 2026 00:00:00 GMThttps://palashc.github.io/blog/phoenix-features/cdc/https://palashc.github.io/blog/phoenix-features/cdc/How Phoenix turns an uncovered index and the empty column's timestamp into an ordered, partitioned change stream you can read with plain SELECTs.Mon, 27 Apr 2026 00:00:00 GMThttps://palashc.github.io/blog/phoenix-features/ttl/https://palashc.github.io/blog/phoenix-features/ttl/The three flavors of Phoenix TTL: table-level, per-view, and conditional.Mon, 20 Apr 2026 00:00:00 GMThttps://palashc.github.io/blog/phoenix-features/secondary-indexes/https://palashc.github.io/blog/phoenix-features/secondary-indexes/How Phoenix keeps a secondary index, a separate HBase table, strongly consistent with the data table, using the empty column and read repair.Mon, 06 Apr 2026 00:00:00 GMThttps://palashc.github.io/blog/phoenix-features/views-and-multi-tenancy/https://palashc.github.io/blog/phoenix-features/views-and-multi-tenancy/Building a multi-tenant order store on Phoenix: using views to slice data and tenant ids to keep customers isolated, all in one HBase table.Fri, 03 Apr 2026 00:00:00 GMThttps://palashc.github.io/blog/phoenix-fundamentals/query-and-upsert-execution/https://palashc.github.io/blog/phoenix-fundamentals/query-and-upsert-execution/Tracing an UPSERT, a SELECT, and a GROUP BY on a real table, from Phoenix SQL down to HBase and back.Mon, 30 Mar 2026 00:00:00 GMThttps://palashc.github.io/blog/phoenix-fundamentals/phoenix-in-hbase/https://palashc.github.io/blog/phoenix-fundamentals/phoenix-in-hbase/How Phoenix maps familiar relational concepts onto plain HBase and coprocessors, without adding a database server.Thu, 19 Mar 2026 00:00:00 GMThttps://palashc.github.io/blog/phoenix-fundamentals/introduction-to-hbase/https://palashc.github.io/blog/phoenix-fundamentals/introduction-to-hbase/A short, visual primer on the parts of Apache HBase that matter most for Phoenix: its data model, its API, and above all, coprocessors.Fri, 13 Mar 2026 00:00:00 GMThttps://palashc.github.io/blog/why-sql-on-hbase/https://palashc.github.io/blog/why-sql-on-hbase/Why NoSQL stores gave up SQL, why that matters to users, and how Apache Phoenix brings SQL back to HBase.Wed, 04 Mar 2026 00:00:00 GMT