On Tue, May 17, 2022 at 08:58:14AM -0500, Jonathan S. Katz wrote: > PostgreSQL 15 adds [more regular expression > functions](https://www.postgresql.org/docs/15/functions-matching.html#FUNCTIONS-POSIX-REGEXP), > including `regexp_count` , `regexp_instr`, `regexp_like`, and `regexp_substr`. > the [`range_agg`](https://www.postgresql.org/docs/15/functions-aggregate.html) > function, introduced in PostgreSQL 15 for aggregating
Capital The > the `work_mem` parameter. Early benchmarks show that these sorts may see on > average an 2x speedup for these workloads on PostgreSQL 15. Maybe remove "for these workloads". > Write-ahead log (WAL) files can now be compressed using both LZ4 and Zstandard Now that I re-read it, I suppose this should say "either .. or" ...
