v0.15.9

Changelog

Performance

• M3DB: Background cold flush process to no longer block data snapshotting or commit log rotation (#2508)
• M3DB: Avoid sorting index entries when reading data filesets during bootstrap when not required (#2533)

Bug Fixes

• M3Coordinator: Respect M3Cluster headers in namespace GET (#2518)

Documentation

• M3Aggregator: Add M3Aggregator documentation (#1741, #2529)
• M3DB: Bootstrapper documentation fixes (#2510)
• All: Update mkdocs (#2524, #2527)
• All: Add M3 meetup recordings (#2495, #2527)
• All: Update Twitter link (#2530)
• All: Fix spelling in FAQ (#2448)

Misc

• M3DB: Add bootstrap migration config and options (#2519)