Release date: 2023-10-24
Postgres core and extensions:
Improved performance of prepared statements by optional remote plans caching (read-only transactions only).
Removed limitation on statistics size when collecting statistics with shardman.global_analyze() function.
Broadcast ALTER INDEX RENAME for sharded tables.
New shardman.pg_stat_csn() function to detect performance issues caused by unsynchronized clocks.
Added ptrack extension.
Various bug fixes including more fixes in deadlock detector.
Management utilities:
shardmanctl probackup backup: added ptrack mode support.
shardmanctl config update: added automatic resolution for interrupted 2PC transaction.
Improved config structure and parameters validation.
Fixed deadlock when two or more shards starts promotion process simultaneously.
Various bug fixes.