v0.9.5-rc.2 test release

THIS IS A TEST FOR PACKAGE CREATION, DO NOT USE!

Tremor 0.9.4

New features

• Extract simd_json::BorrowedValue into tremor specific tremor-value to allow extension of the type system.

Fixed

• Terminate pipeline creation when a node already exists with the given name #650
• Fix visibility of pipeline metrics #648
• Fix panic upon usage of postgres ramps due to incompatbility with tokio and async-std runtime. #641
• Fix missing newlines when error line doesnt end with a newline #676
• Fix possible panic in random::integer and random::float when used with values <= 0. #679

v0.9.3 - fixes and improvements

0.9.3

New features

• Add prefix and raw config options to stdout and stderr offramps #637

Fixes

• Make use of postprocessors in stdout, stderr and udp sinks #637
• Allow to express minimal value of i64 as int literal #629
• Fix scientific float literals (e.g. 1.0e-5) #629
• Output errors to stderr on tremor run invocation. #629
• Output more helpful errors for runtime errors (like accessing non-existing fields) #629
• Fix gelf preprocessor to accept valid (unchunked) gelf messages #628
• Fix memory access issue for large objects

v0.9 Bug Fixes and Improvements

New Features

• Add docker image, and action for training docker image #576
• Performance enhancements #608

Breaking Changes

• Standardize error responses for tremor api #559
• Remove empty event filtering from lines preprocessor logic #598

Fixes

• Fix possible crashes from todo macro in tcp sink #573
• Fix linked offramp not shutting down after binding is deleted #582
• Fix slow kafka sink when queue.buffering.max.ms is set to > 0 #585
• Fix string and heredoc errors with and without interpolation #595
• Add hygienic error feedback for tremor run #620
• Fix Kafka SmolRuntime hang #558
• Remove array access to prevent possible runtime panics #574, #598
• Update CLI: -i allows selecting a subset now #580
• Allow using err for errors in tremor run #592
• Update to rust toolchain 1.48

Courseware image test

Introduce courseware image

Post major release cleanup

• Improve Code coverage
• Minor fixes and cleanup

QoS, Guaranteed Delivery and Linked Transport

v0.9.0

New Features

• Refactored Concurrency Model
• Unified Command Line Interface
• Linked Transports
• Circuit Breakers & Guaranteed’ Delivery

Behavioural Changes

• REST onramp and offramp have changed their configuration quite a lot, please checkout the docs for the onramp and offramp for reference.
• The REST offramp no longer adds newlines for batched events, this can now be done by using the lines postprocessor.
• Heredocs in tremor-script
  • no longer strip leading indentation
  • string interpolation using curly braces"""field: {event["field"]}""" has been added to heredocs
  • Literal curlies now need to be escaped using \{ or{{
• The generic::backpressure operator has been renamed to qos::backpressure.
• All operators have been streamlined to have their error output renamed to err, namely runtime::tremor, grouper::bucket and script inside trickle. Now pipelines, onramps, offramps and operators all output error events to err.

Modular user experience

Tremor has been enhanced to support modular development with:

• A TREMOR_PATH environment variable to load multiple module paths
• Nestable modules via the mod clause in tremor-script and tremor-query
• Tremor-query specific - Modularise definitions of windows, operators and scripts.
  • https://docs.tremor.rs/tremor-script/modules/
  • https://docs.tremor.rs/tremor-script/pp/
  • https://docs.tremor.rs/tremor-script/functions/
• Tremor-script specific - Adds functional programming, allows modules defining constants and functions
  • https://docs.tremor.rs/tremor-query/modules/
  • https://docs.tremor.rs/tremor-script/pp/
• Both tremor-script and tremor-query can use modules via the use clause
• Modules may be nested in source or via the file system ( a directory is a module ) or a mix of both
• A preprocessor processes multiple modular sources into a single deployable artefact

Pipeline State Mechanism

• Implementation for pipeline state mechanism: #59
• Pass in CPU target features for tremor compilation in the docker image: 1049ad4
• Tremor-script updates for a successful language server build: 35e6b9f
• Move to to use crates in tremor-script: #60

v0.7.0 release

This is the first open-source release of tremor.