v0.10.0

Changelog

Features

• M3Query: Add multi-zone and multi-region configuration for coordinator (#1687)
• M3Query: Add debug param to GET /api/v1/namespace endpoint for better readability (#1698)
• M3Coordinator: Add "ingest_latency" histogram metric and return datapoint too old/new errors with offending timestamps (#1716)

Performance

• M3DB: Add forward index write capability which eases index pressure at block boundaries (#1613)
• M3Query: Drop empty series from appearing in output when keepNaNs option is set to disabled (#1682, #1684)
• M3DB: Build and release M3DB with Go 1.12 (#1674)

Bug Fixes

• M3DB: Fix a bug where peer bootstrapping would sometimes get stuck for a short period of time due to other M3DB nodes (temporarily) returning more than one block of data for a given time period (#1707)
• M3DB: Fix a bug that would cause multiple orders of magnitude slow-down in peer bootstrapping / node replacements when one of the nodes in the cluster was hard down (#1677)
• M3Query: Fix a bug with parsing Graphite find queries by adding MatchField and MatchNotField match types, and explicitly making use of them in graphite queries (#1676)
• M3Query: Propagate limit settings when using Prometheus Remote Read (#1685)
• M3Coordinator: Return a 404 rather than a 500 if we attempt to delete a nonexistent placement (#1701)
• M3Coordinator: Return HTTP 400 if all sent samples encounter too old/new or other bad request error (#1692)