tvondra

sequential-uuids

generator of sequential UUIDs

tdigest

PostgreSQL extension for estimating percentiles using t-digest

count_distinct

An extension with alternative to COUNT(DISTINCT ...) aggregate in PostgreSQL.

geoip

an extension for GeoIP geolocation

explain_training

Training explaining execution plans in PostgreSQL. Currently in Czech only.

perf_tuning_training

Training explaining basics of PostgreSQL performance tuning. See branches for a version in English

trimmed_aggregates

provides trimmed aggregates for PostgreSQL (average, variance, stddev)

md5hash

A custom data type for storing MD5 hashes (instead of the native TEXT varlena type).

pg_uuid

UUID

pg-block-bench-pgbench

ddsketch

a PostgreSQL extension implementing a fast and fully-mergeable quantile sketch with relative-error guarantees

fsbench-results

fsbench-scripts

hashset

hashset

pg-fs-benchmark

Postgres benchmark on different filesystems

incremental-backup-tests

postgres

Mirror PostgreSQL master branch, used for development of multivariate statistics (MCV, histogram, ...). The development is tracked in multivariate-stats branch, and it's mutable (i.e. commits may change because of rebases etc.)

taskset

extension to get/set CPU affinity from PostgreSQL

index-prefetch-tests

lower_quantile

lower quantile aggregate

mayhem

LD_PRELOAD to cause mayhem by adding noise to syscalls (through glibc)

mksort-tests

percentiles-talk

pg-block-bench-tpch

TPC-H results for data/WAL block benchmark comparison

pg-compiler-bench

pg-stress-tests

a collection of various stress tests of PostgreSQL code

random

random data generator extension

scalability-patches

wal-throttle-results

zlib

A massively spiffy yet delicately unobtrusive compression library.