Highly efficient garbage-free logging framework for Java 8+

EPAM Systems

Last update: Dec 12, 2022

Related tags

Overview

Garbage Free Log

Highly efficient garbage-free logging framework for Java 8+.

Use

Add the following dependencies to your project:

implementation 'com.epam.deltix:gflog-api:3.0.0'
runtimeOnly    'com.epam.deltix:gflog-core:3.0.0'

Use the following sample to log a message:

Log log = LogFactory.getLog("my-logger");
log.info()
    .append("Hello world! This is a ")
    .append(LogLevel.INFO)
    .append(" message for you!")
    .commit();

Or:

Log log = LogFactory.getLog("my-logger");
log.info("Hello world! This is a %s message for you!")
    .with(LogLevel.INFO);

Reference

Bridges - how to configure bridges for the existing logging frameworks.
Configuration - how to configure gflog.
Performance - what gflog's performance.

Build

Build the project with Gradle and Java 8:

./gradlew build

Acknowledgment

This project was inspired by gflogger library by Vladimir Dolzhenko. It originally started as a fork but further enhancements and new API made it into a separate project.

License

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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Comments

Fixes for log4j CVE-2021-44228

Apache Log4j2 JNDI features do not protect against attacker-controlled LDAP and other JNDI-related endpoints.

Configure log4j2.formatMsgNoLookups=true by default Update log4j to 2.15.0 Details: https://logging.apache.org/log4j/2.x/security.html

opened by eabykov 1
release-3.0.2
Updated:

gradle: 6.8.2 -> 7.1.1

jmh: 1.27 -> 1.32

jol: 0.14 -> 0.16

log4j: 2.14.0 -> 2.14.1

disruptor: 3.4.2 -> 3.4.4

affinity: 3.21ea1 -> 3.21ea5

Fixed:

JUL Bridge: https://github.com/epam/gflog/issues/6
opened by artsiomkorzun 0
JulBridge.install() is working incorrectly

This line contains absolute package deltix.gflog.jul, that should have been replaced with com.epam.deltix.gflog.jul. So for nowinstall() method doesn't work correctly.

opened by ypldan 0
release 3.0.1
Added checkstyle plugin. Code cleanup.

Improved performance by introducing an exception path to pass exceptions to the background thread.

Improved performance by using FAA instead of CAS when claiming space for a log entry.

Introduced exception depth limit to handle cyclic exceptions.
opened by artsiomkorzun 0

Releases(3.0.3)

3.0.3(Oct 4, 2022)
Support Java 17:

Replaced internal api to get address of direct ByteBuffer with Unsafe

Source code(tar.gz)
Source code(zip)
3.0.2(Sep 23, 2021)
Fixed:

JulBridge.install() is working incorrectly #6

Updated:

gradle: 6.8.2 -> 7.1.1

jmh: 1.27 -> 1.32

jol: 0.14 -> 0.16

log4j: 2.14.0 -> 2.14.1

disruptor: 3.4.2 -> 3.4.4

affinity: 3.21ea1 -> 3.21ea5

Source code(tar.gz)
Source code(zip)
3.0.1(May 14, 2021)
Changelog:

Added checkstyle plugin. Code cleanup.

Improved performance by introducing an exception path to pass exceptions to the background thread.

Improved performance by using FAA instead of CAS when claiming space for a log entry.

Introduced exception depth limit to handle cyclic exceptions.

Source code(tar.gz)
Source code(zip)
3.0.0(Feb 22, 2021)
The first release of the library:

gflog-api - api

gflog-core - implementation

gflog-jcl - bridge Apache Commons Logging to gflog

gflog-jul - bridge Java Util Logging to gflog

gflog-slf4j - bridge SLF4J to gflog

gflog-mail - mail appender

Source code(tar.gz)
Source code(zip)