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Based on package provided by Peter Czanik in PR 56406.
Changes below are for 3.34.1 only, the other 16 releases before
that are not summarized.
3.34.1
======
## Highlights
* `regexp-parser()`: new parser that can parse messages with regular expressions
* `redis()`: `workers()` and batching support
The Redis driver now support the `workers()` option, which specifies the
number of parallel workers, and the `batch-lines()` option.
This could drastically increase the throughput of the Redis destination driver.
* `mqtt()`: TLS and WebSocket Secure support
The MQTT destination now supports TLS and WSS.
## Features
* `system()` source: added support for NetBSD
* `stats`: new statistics counter
* `mqtt()`: username/password authentication
* `mqtt()`: new option `http-proxy()` for specifying HTTP/HTTPS proxy for WebSocket connections
([#3747](https://github.com/syslog-ng/syslog-ng/pull/3747))
* `syslog-ng-ctl`: new flag for pruning statistics
* `disk-buffer()`: added a new option to reliable disk-buffer: `qout-size()`.
## Bugfixes
* `network(), syslog()`: fixed network sources on NetBSD
* `disk-buffer()`: fixed a very rare case, where the reliable disk-buffer never resumed
after triggering `flow-control`.
* `disk-buffer()`: fixed a rare memory leak that occurred when `mem-buf-length()`
or `mem-buf-size()` was configured incorrectly
* `redis()`: fixed command errors that were not detected and marked as successful delivery
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Rework and clean up the package, split off various bindings
into separate packages. Add SMF support.
Major features and improvements introduced in major releases since 3.2.
3.7
- OpenSSL is now a required dependency for syslog-ng.
- Java-destination driver ported from syslog-ng-incubator.
- Python language support is ported from syslog-ng incubator.
- New Java destination drivers
- New Parsers
3.6
- PCRE is now a required dependency of syslog-ng.
- Threaded mode is now enabled by default.
3.5
- Multi-line support
- STOMP destination
- Redis destination
- Template type hinting
- Template options honored everywhere
- Support for unit suffixes in the configuration
- The Incubator project
3.4
- New plugins: AMQP & SMTP destinations, JSON parser.
- New parsers for patterndb: HOSTNAME, EMAIL, PCRE and LLADDR.
- It is now possible to control what db-parser() sees as its input
via it's new template() option.
- value-pairs() gained support for programmatically
rewriting key names in bulk, via the rekey() method.
- The network() driver is introduced, unifying and extending
tcp(), udp(), syslog(), unix-dgram() and
unix-stream(). The old drivers are still available, but
- Support for junctions & channels were added, which improve
the flexibility of the syslog-ng configuration language.
3.3
- multi-core/CPU scaling: the new multi-threaded architecture allows
syslog-ng to scale into the 800k msg/sec region.
- MongoDB support: using MongoDB instead of SQL is faster and
allows better representation of log data.
- JSON support: using the $(format-json) template function it is
now possible to construct JSON (JavaScript Object Notation)
output for log messages.
- A number of enhancements all over the place: SQL, patterndb.
- The default ports have changed. syslog-ng is using the standard
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