immudb v1.9.3 released

immudb v1.9.3, 60% improved cache efficiency, significantly reduced memory consumption

Changes

• Replaced LRU (least recently used) caching policy with SIEVE algorithm, resulting in improvement of caching efficiency by up to 60%;
• Significantly reduced memory consumption of indexes by using pooling and by bounding the byte size of the cache, by up to 48%;
• Support compaction of indexes when S3 storage is enabled;
• Way more instrumentation reported by immuadmin database and status subcommands;
• Relaxed password hassling of user;
• Significantly improved coverage of SQL GROUP BY and ORDER BY clauses;
• Indexes are no more required on the GROUP BY/ORDER BY fields:
  • Arbitrary number of fields are now supported;
  • Index selection has been optimised to reduce query times;
• Support streaming in SQLQuery/TxSQL rpcs to allow fetching arbitrary number of query results from:
  • client SDKs;
  • PG compatible clients;
  • Golang database/sql std package;

Fixes

• Fix off by one error when LIMIT clause is used;
• Add missing constraint checks that prevent indexer from getting stuck;
• Prevent replication between different immudb versions;
  
  

Full Changelog: v1.9DOM.2...v1.9.3

Download: https://github.com/codenotary/immudb/tree/v1.9.3