Release Notes for TokuDB 7.5.8

Status

• TokuDB 7.5.8 GA in Percona Server 5.6.25-73.1

New Features

• DB-846 Exposed ft-index fanout as TokuDB option tokudb_fanout, (default=16 range=2-16384).
• FT-680 Tokuftdump can now provide a summary info with new --summary option.
• FT-456 Fanout has been serialized in the ft-header and ft_header.fanout value has been exposed in tokuftdump.
• FT-666 New checkpoint status variables have been implemented:
  • CP_END_TIME - checkpoint end time, time spend in checkpoint end operation in seconds,
  • CP_LONG_END_COUNT - long checkpoint end count, count of end_checkpoint operations that exceeded 1 minute,
  • CP_LONG_END_TIME - long checkpoint end time, total time of long checkpoints in seconds.
• FT-670 "Engine" status variables are now visible as "GLOBAL" status variables.

Bugs Fixed

• DB-843 Fixed assertion with big transaction in toku_txn_complete_txn.
• FT-651 Fixed assertion that was caused when a transaction had rollback log nodes orphaned in the blocktable.
• FT-655 Fixed ftcxx tests failures that were happening when it was run in parallel.
• FT-675 Fixed multiple test failures for Debian/Ubuntu caused by assertion on setlocale()
• FT-669 Status has been refactored to its own file/subsystem within ft-index code to make the it more accessible.

Milestones

• DB Version 7.5.8 JIRA Issues
• FT Version 7.5.8 JIRA Issues