├── Ad-hoc monitoring.md ├── Autovacuum queue and progress.md ├── EXPLAIN ANALYZE or EXPLAIN (ANALYZE, BUFFERS).md ├── Find-or-insert using a single query.md ├── How many tuples can be inserted in a page.md ├── How to NOT get screwed as a DBA (DBRE).md ├── How to add a CHECK constraint without downtime.md ├── How to add a column.md ├── How to add a foreign key.md ├── How to analyze heavyweight locks, part 1.md ├── How to analyze heavyweight locks, part 2 Lock trees (a.k.a. lock queues, wait queues, blocking chains).md ├── How to analyze heavyweight locks, part 3. Persistent monitoring.md ├── How to benchmark.md ├── How to break a database, Part 1 How to corrupt.md ├── How to break a database, Part 2- Simulate infamous transaction ID wraparound.md ├── How to break a database, Part 3 Harmful workloads.md ├── How to change a Postgres parameter.md ├── How to change ownership of all objects in a database.md ├── How to check btree indexes for corruption (pg_amcheck).md ├── How to check btree indexes for corruption.md ├── How to compile Postgres on Ubuntu 22.04.md ├── How to convert a physical replica to logical.md ├── How to create an index, part 1.md ├── How to create an index, part 2.md ├── How to deal with bloat.md ├── How to deal with long-running transactions (OLTP).md ├── How to decide when a query is too slow and needs optimization.md ├── How to determine the replication lag.md ├── How to draw frost patterns using SQL ❄.md ├── How to drop a column.md ├── How to enable data checksums without downtime.md ├── How to estimate the YoY growth of a very large table using row creation timestamps and the planner statistics.md ├── How to find int4 PKs with out-of-range risks in a large database.md ├── How to find query examples for problematic pg_stat_statements records.md ├── How to find redundant indexes.md ├── How to find the best order of columns to save on storage (Column Tetris).md ├── How to find unused indexes.md ├── How to flush caches (OS page cache and Postgres buffer pool).md ├── How to format SQL (SQL style guide).md ├── How to format text output in psql scripts.md ├── How to generate fake data.md ├── How to get into trouble using some Postgres features.md ├── How to help others.md ├── How to import CSV to Postgres.md ├── How to install Postgres 16 with plpython3u Recipes for macOS, Ubuntu, Debian, CentOS, Docker.md ├── How to make e work in psql on a new machine (editornanovi not found).md ├── How to make the non-production Postgres planner behave like in production.md ├── How to monitor CREATE INDEX : REINDEX progress in Postgres 12+.md ├── How to monitor transaction ID wraparound risks.md ├── How to monitor xmin horizon to prevent XIDMultiXID wraparound and high bloat.md ├── How to perform initial rough Postgres tuning.md ├── How to plot graphs right in psql on macOS (iTerm2).md ├── How to quickly check data type and storage size of a value.md ├── How to quit from psql.md ├── How to rebuild many indexes using many backends avoiding deadlocks.md ├── How to redefine a PK without downtime.md ├── How to reduce WAL generation rates.md ├── How to remove a foreign key.md ├── How to run ANALYZE (to collect statistics).md ├── How to set application_name without extra queries.md ├── How to speed up bulk load.md ├── How to speed up pg_dump when dumping large databases.md ├── How to troubleshoot Postgres performance using FlameGraphs and eBPF (or perf).md ├── How to troubleshoot a growing pg_wal directory.md ├── How to troubleshoot and speed up Postgres stop and restart attempts.md ├── How to troubleshoot long Postgres startup.md ├── How to troubleshoot streaming replication lag.md ├── How to tune Linux parameters for OLTP Postgres.md ├── How to tune work_mem.md ├── How to understand LSN values and WAL filenames.md ├── How to understand what's blocking DDL.md ├── How to use Docker to run Postgres.md ├── How to use OpenAI APIs right from Postgres to implement semantic search and GPT chat.md ├── How to use UUID.md ├── How to use lib_pgquery in shell to normalize and match queries from various sources.md ├── How to use pg_restore.md ├── How to use subtransactions in Postgres.md ├── How to use variables in psql scripts.md ├── How to work with arrays, part 1.md ├── How to work with arrays, part 2.md ├── How to work with metadata.md ├── How to work with pg_stat_statements, part 1.md ├── How to work with pg_stat_statements, part 2.md ├── How to work with pg_stat_statements, part 3.md ├── Index maintenance.md ├── Learn how to work with schema metadata by spying after psql.md ├── Over-indexing.md ├── Postgres major upgrade without any downtime for a very large cluster running under heavy load.md ├── Pre- and post-steps for benchmark iterations.md ├── README.md ├── Rough configuration tuning (8020 rule; OLTP).md ├── UUID v7 and partitioning (TimescaleDB).md ├── Understanding how sparsely tuples are stored in a table.md ├── psql shortcuts.md └── psql tuning.md /Ad-hoc monitoring.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/Ad-hoc monitoring.md -------------------------------------------------------------------------------- /Autovacuum queue and progress.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/Autovacuum queue and progress.md -------------------------------------------------------------------------------- /EXPLAIN ANALYZE or EXPLAIN (ANALYZE, BUFFERS).md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/EXPLAIN ANALYZE or EXPLAIN (ANALYZE, BUFFERS).md -------------------------------------------------------------------------------- /Find-or-insert using a single query.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/Find-or-insert using a single query.md -------------------------------------------------------------------------------- /How many tuples can be inserted in a page.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How many tuples can be inserted in a page.md -------------------------------------------------------------------------------- /How to NOT get screwed as a DBA (DBRE).md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to NOT get screwed as a DBA (DBRE).md -------------------------------------------------------------------------------- /How to add a CHECK constraint without downtime.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to add a CHECK constraint without downtime.md -------------------------------------------------------------------------------- /How to add a column.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to add a column.md -------------------------------------------------------------------------------- /How to add a foreign key.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to add a foreign key.md -------------------------------------------------------------------------------- /How to analyze heavyweight locks, part 1.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to analyze heavyweight locks, part 1.md -------------------------------------------------------------------------------- /How to analyze heavyweight locks, part 2 Lock trees (a.k.a. lock queues, wait queues, blocking chains).md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to analyze heavyweight locks, part 2 Lock trees (a.k.a. lock queues, wait queues, blocking chains).md -------------------------------------------------------------------------------- /How to analyze heavyweight locks, part 3. Persistent monitoring.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to analyze heavyweight locks, part 3. Persistent monitoring.md -------------------------------------------------------------------------------- /How to benchmark.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to benchmark.md -------------------------------------------------------------------------------- /How to break a database, Part 1 How to corrupt.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to break a database, Part 1 How to corrupt.md -------------------------------------------------------------------------------- /How to break a database, Part 2- Simulate infamous transaction ID wraparound.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to break a database, Part 2- Simulate infamous transaction ID wraparound.md -------------------------------------------------------------------------------- /How to break a database, Part 3 Harmful workloads.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to break a database, Part 3 Harmful workloads.md -------------------------------------------------------------------------------- /How to change a Postgres parameter.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to change a Postgres parameter.md -------------------------------------------------------------------------------- /How to change ownership of all objects in a database.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to change ownership of all objects in a database.md 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/How to deal with bloat.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to deal with bloat.md -------------------------------------------------------------------------------- /How to deal with long-running transactions (OLTP).md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to deal with long-running transactions (OLTP).md -------------------------------------------------------------------------------- /How to decide when a query is too slow and needs optimization.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to decide when a query is too slow and needs optimization.md -------------------------------------------------------------------------------- /How to determine the replication lag.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to determine the replication lag.md -------------------------------------------------------------------------------- /How to draw frost patterns using SQL ❄.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to draw frost patterns using SQL ❄.md -------------------------------------------------------------------------------- /How to drop a column.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to drop a column.md -------------------------------------------------------------------------------- /How to enable data checksums without downtime.md: 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database.md -------------------------------------------------------------------------------- /How to find query examples for problematic pg_stat_statements records.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to find query examples for problematic pg_stat_statements records.md -------------------------------------------------------------------------------- /How to find redundant indexes.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to find redundant indexes.md -------------------------------------------------------------------------------- /How to find the best order of columns to save on storage (Column Tetris).md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to find the best order of columns to save on storage (Column Tetris).md -------------------------------------------------------------------------------- /How to find unused indexes.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to find unused indexes.md -------------------------------------------------------------------------------- /How to flush caches (OS page cache and Postgres buffer pool).md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to flush caches (OS page cache and Postgres buffer pool).md -------------------------------------------------------------------------------- /How to format SQL (SQL style guide).md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to format SQL (SQL style guide).md -------------------------------------------------------------------------------- /How to format text output in psql scripts.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to format text output in psql scripts.md -------------------------------------------------------------------------------- /How to generate fake data.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to generate fake data.md -------------------------------------------------------------------------------- /How to get into trouble using some Postgres features.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to get into trouble using some Postgres features.md 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to use Docker to run Postgres.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to use Docker to run Postgres.md -------------------------------------------------------------------------------- /How to use OpenAI APIs right from Postgres to implement semantic search and GPT chat.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to use OpenAI APIs right from Postgres to implement semantic search and GPT chat.md -------------------------------------------------------------------------------- /How to use UUID.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to use UUID.md -------------------------------------------------------------------------------- /How to use lib_pgquery in shell to normalize and match queries from various sources.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to use lib_pgquery in shell to normalize and match queries from various sources.md -------------------------------------------------------------------------------- /How to use pg_restore.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to use pg_restore.md -------------------------------------------------------------------------------- /How to use subtransactions in Postgres.md: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiongcccc/postgres-howto/HEAD/How to use subtransactions in Postgres.md -------------------------------------------------------------------------------- /How to use variables in psql scripts.md: 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