1.6.2

What's Changed

• Bound per-cycle binlog purging (max_files_per_cycle/max_bytes_per_cycle, draining a chunk per ~1s control-loop tick) so reducing binlog_retention_period on a write-heavy service no longer triggers one huge PURGE
  BINARY LOGS that holds LOCK_index and stalls all writes — by @vladislav-manafov-aiven in #239 and #240.

Full Changelog: 1.6.1...1.6.2