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Thomas Munro

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KEYNOTE: Postgres 19 Hackers Panel: What’s In, What’s Out, & What’s NextPOSETTE: An Event for Postgres 20262026-06-16
Postgres 19 reaches feature freeze with concrete wins and clear deferrals: pg_squeeze/pg_repack integration lands in core using logical decoding and fixes…
Panel on
Investigating Multithreaded PostgreSQLPGConf.dev 20252025-05-13
Postgres still uses a 1980s process-per-connection design and this work evaluates replacing that with threads by testing prototypes: a pg_threads.h shim…
Talk on
Streaming I/O and vectored I/OPostgreSQL Conference Europe 20242024-10-22
PostgreSQL adds a streaming abstraction and vectored I/O so multiple 8KB blocks are combined into larger reads/writes (configurable IO combine limit, default…
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A Walking Tour of PostgreSQLPOSETTE: An Event for Postgres 20242024-06-11
Postgres traces back to the POSTGRES research project, becomes the SQL-based open source system from 1996, and evolves through concrete engineering: 400–500…
Talk on
Streaming I/O and vectored I/OPGConf.dev 20242024-05-28
Postgres adds a ReadStream abstraction that groups ReadBuffer calls into larger vectored I/O so scans emit 128k preadv()s instead of many 8k pread()s, using…
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IPC in PostgreSQLPGCon 20232023-05-30
Postgres moves from polling and blocking IO toward precise nonblocking wakeups using a check_for_interrupt cooperative hook, shared-memory latches (added 2010)…
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Parallelism in PostgreSQL 15Citus Con: An Event for Postgres 20232023-04-18
Explains how PostgreSQL 15 runs single-query parallelism using OS processes with a leader and workers, implementing parallel sequential scan and parallel…
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Queues in PostgreSQLCitus Con: An Event for Postgres 20222022-04-12
Argues PostgreSQL is a practical choice for moderate single-node job queues when work must be transactional and ops already manage the database. Recommends…
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