In this post, we would like to explain a few common syslog-ng error and warning messages, what they mean, and how to solve them.
Destination queue full
Destination queue full, dropping messages; queue_len='10000',
log_fifo_size='10000&#...
When a user reports a problem with syslog-ng, developers create code to fix it. The fix is called a patch or a pull request (PR) in Git terminology. Often this code does not enter the main source code automatically but developers ask the user to test…
After more than a year, the latest version of syslog-ng compiles again on Red Hat Enterprise Linux version 6. This is thanks to a patch from Balázs Scheidler which resolves compatibility problems with older glib releases by implementing the mi…
Version 6 of the Elastic Stack has now been available for some time packed with new features and improved performance. Compatibility of syslog-ng was checked already during the alpha phase of development, as syslog-ng is becoming popular among Elasti…
Version 3.13 of syslog-ng introduced a graylog2() destination and a GELF (Graylog Extended Log Format) template to make sending syslog messages to Graylog easier. You can also use them to forward simple name-value pairs where the name starts with a d…
For quite some time, Splunk has recommended to collect syslog messages using syslog-ng, save them to files, and send them to Splunk using forwarders. Unless you have a very high message rate, the HTTP destination of syslog-ng can greatly simplify thi…
For the last six months, Elastic’s communication centered around the upcoming Elastic Stack 5.0. And finally it is here: tons of new features, improved performance and a single version number for all Elastic products. Compatibility with syslog-...
netdata is a system for distributed real-time performance and health monitoring. You can use syslog-ng to collect and filter data provided by netdata and then send it to Elasticsearch for long-term storage and analysis. The aim is to send both metric…
Do you want to simplify parsing your log messages? Try the new “application adapter” and “enterprise-wide message model” frameworks in syslog-ng: you can automatically parse log messages and forward the results to another sysl...
Logstash adds a new syslog header to log messages before forwarding them to a syslog server. In the case of syslog messages, it is problematic as there will be two syslog headers in the message. Using syslog-ng for everything logging related in an El…
syslog-ng makes available various types of statistics. Data is available in a couple of forms: emitted regularly from the internal() source of syslog-ng or obtained using the syslog-ng-ctl utility from the command line. Due to the format that the int…
The syslog-ng application has two different editions. Most of my readers use syslog-ng open source edition (OSE). There is also a commercial version of syslog-ng, called the syslog-ng premium edition (PE). It comes with a few extra features, as well …
