Change Log

All notable changes to Nakadi will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

[Unreleased]

[2.5.9] - 2018-03-06

Changed

Updated json-schema validation library, now using RE2/J for regex pattern matching

[2.5.8] - 2018-02-22

Added

Provides optional warning header when creating or updating event types. The purpose is to warn users of the archival of all events.
Applications with READ rights to all_data_access can read from all event types, regardless of the event types' authorization policy

Changed

Low-level API marked as deprecated

[2.5.7] - 2018-02-15

Changed

Optimize subscription rebalance with inter-region zookeepers

Fixed

Server does not implement Problem JSON for auth errors

[2.5.5] - 2018-01-23

Changed

Updated json-schema validation library

[2.5.4] - 2018-01-18

Added

Allow to patch subscription cursors in case when they were not initialized

Fixed

Allow to update event types with recursion in schemas

Changed

Distinguish between employee token and service token in KPI events

[2.5.2] - 2018-01-08

Fixed

Do not create connection to kafka if kafka services are not needed

[2.5.1] - 2018-01-03

Added

Added publishing of subscription log events

[2.5.0] - 2017-12-22

Added

Nakadi collects event publishing KPI data
Nakadi collects event streaming KPI data

[2.4.2] - 2017-12-21

Added

Allow changing event type category from NONE to BUSINESS

Fixed

Added timeout for subscription locking

[2.4.1] - 2017-12-18

Fixed

Fixed sending of KPI events after feature toggling

[2.4.0] - 2017-12-18

Added

Nakadi collects access log events
Sending of KPI metrics for event-types count

[2.3.4] - 2017-12-14

Changed

Optimized stream initialization

[2.3.3] - 2017-12-12

Added

Periodically recreate topology listener while streaming subscription

Fixed

Fix concurrency issue when switching Timelines
NullPointer when changing additionalProperties from true to Object.

[2.3.2] - 2017-12-05

Fixed

Fixed issue with subscription stats, which would fail when the last committed offset is on a storage that was deleted
Fixed issue with deletion of event types which had obsolete timelines

[2.3.0] - 2017-11-14

Added

Switch from local token info service to remote one
Change default storage via env var or at runtime

Changed

Limited stream_timeout for consumption to 1h ± 10min

[2.2.9] - 2017-11-14

Fixed

Fixed displaying of streamId for /stats endpoint

[2.2.8] - 2017-11-01

Fixed

Massive topic deletion while switching timelines is now made with small interval between deletions

[2.2.7] - 2017-10-25

Changed

Improve SLO log with application and event type names

[2.2.6] - 2017-10-17

Changed

Create first timeline for event type by default

[2.2.4] - 2017-10-13

Fixed

Optimized reactions on offset change while streaming subscription
Committing with empty X-Nakadi-StreamId causes 503

Added

Create event type with SAFE rack-awareness

[2.2.2] - 2017-09-28

Added

New database table for authorization
Endpoints for getting and updating the lists of administrators
Default administrator defined in application.yml
Allow admins to bypass event type authorization restrictions

Changed

Admin endpoints use list of admins from Postgres

[2.2.1] - 2017-09-26

Changed

Added logging of POST requests with compressed body.

[2.2.0] - 2017-08-29

Added

Enable lz4 compression type for Kafka producer

[2.1.2] - 2017-08-24

Fixed

Fixed DEBUG-level logging

[2.1.1] - 2017-08-22

Fixed

Sync flush batches when using gzip streams.

[2.1.0] - 2017-08-21

Changed

Using Jetty instead of Tomcat as Servlet container.

Fixed

Using Jetty fixes a rare concurrency issue where messages could be delivered to the wrong stream.

[2.0.1] - 2017-08-11

Fixed

Added validation of offsets availability when resetting subscription cursors.

Changed

Removed authorization for subscription creation

[2.0.0] - 2017-08-09

Changed

Changed imports format to have the same structure

Removed

Removed read_scopes and write_scopes from event types
Removed CHECK_APPLICATION_LEVEL_PERMISSIONS feature

[1.1.3] - 2017-08-03

Fixed

Fixed bug with incorrect lag calculation for subscirption.
Optimized subscription stats endpoint for subscriptions with many event types inside.

Changed

Now it's possible to have a digit after the dot in event-type name.

[1.1.2] - 2017-08-01

Changed

Updated kafka client library to 0.10.1.0

[1.1.1] - 2017-07-26

Fixed

Returned back CHECK_APPLICATION_LEVEL_PERMISSIONS feature toggle.

[1.1.0] - 2017-07-25

Added

The Nakadi manual merged to the project docs.
The template added to generate Nakadi website using github pages.
Addition of a new authentication mode, 'REALM'

Changed

The metrics endpoint documentation key "summary" changed to "description" in Open API file.
Event type authorization refactoring

Removed

Removed unused feature toggle CHECK_APPLICATION_LEVEL_PERMISSIONS for authorization based on owning_application.

Fixed

Fixed formatting of CursorDistanceResult in Open API file.

[1.0.1] - 2017-07-14

Fixed

Fixed log level of InvalidStreamIdException.
Fixed reading events with Low Level API from event type with expired timeline.

[1.0.0] - 2017-07-12

Added

Authorization on reading from, modifying and publishing to an event type.