Thanks Matt. With the Flume appender, do I still need to use an async logger to get the best perf?
Gary On Mon, Apr 3, 2017 at 8:31 PM, Matt Sicker <boa...@gmail.com> wrote: > Clarifications: other than the file appenders, the flume appender is > probably the most reliable appender. > > And for the direct appender config, that's also with fully async loggers. > I've been considering putting together a small blog post about the most > efficient log4j2.xml configurations. > > On 3 April 2017 at 22:01, Matt Sicker <boa...@gmail.com> wrote: > >> The Flume appender can persist messages within the same process to files >> before sending them to other agents. I don't think any other appender can >> guarantee that. >> >> Personally, I've been using direct console appenders lately and using >> graylog to slurp stdout on docker containers, but I'm not the one who set >> all that up. Either way, the most reliable way to log things outside of >> files is Flume. >> >> On 3 April 2017 at 19:45, Gary Gregory <garydgreg...@gmail.com> wrote: >> >>> Wait a sec. A JMS provider can guarantee message delivery. How can >>> events be lost once they are in the provider? Are you saying that using an >>> async logger is 'unsafe' because the events in the ring buffer go away if >>> the JVM goes down? >>> >>> Ideally I want to publish and forget, with the publish part >>> asynchronous, call the API, and it returns right away. >>> >>> Is there no way to do that with our JMS Appender? >>> >>> Gary >>> >>> On Mon, Apr 3, 2017 at 5:38 PM, Ralph Goers <ralph.go...@dslextreme.com> >>> wrote: >>> >>>> What’s the point though when all you have to do is specify the pattern >>>> layout with “%m%ex{none}”? >>>> >>>> How can you do auditing with the async logger? You may lose events with >>>> that. >>>> >>>> Your use case is exactly why I wrote the FlumeAppender. It is very much >>>> like JMS but a whole lot faster and guarantees events aren’t lost. >>>> >>>> Ralph >>>> >>>> On Apr 3, 2017, at 5:03 PM, Gary Gregory <garydgreg...@gmail.com> >>>> wrote: >>>> >>>> Right. I want to post to JMS message objects I've serialized to JSON. >>>> All I care about is the message. >>>> >>>> I log these events to a specially named logger with a specially named >>>> marker. These are the only events that should be published to JMS (I use a >>>> filter and the one marker). I am in charge of the message format and it is >>>> consumed on the other JMS side by a specialized agent which I also control. >>>> >>>> IOW, I am using the Log4j infrastructure as the simplest way to send >>>> custom messages over to JMS. These are not traditional logging events, >>>> rather a kind of auditing system. I leverage the Log4j async logger as >>>> well. No need to deal with the JMS API. >>>> >>>> Gary >>>> >>>> On Mon, Apr 3, 2017 at 4:07 PM, Remko Popma <remko.po...@gmail.com> >>>> wrote: >>>> >>>>> So, exceptions are swallowed and no newlines are rendered? >>>>> Interesting. >>>>> What's the use case? >>>>> >>>>> Sent from my iPhone >>>>> >>>>> On Apr 4, 2017, at 7:30, Gary Gregory <garydgreg...@gmail.com> wrote: >>>>> >>>>> Hi All, >>>>> >>>>> I am considering a new layout called "MessageLayout" which would be >>>>> synonymous with:<PatternLayout pattern="%m" />. Thoughts? >>>>> >>>>> Gary >>>>> >>>>> -- >>>>> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org >>>>> Java Persistence with Hibernate, Second Edition >>>>> <https://www.amazon.com/gp/product/1617290459/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459&linkCode=as2&tag=garygregory-20&linkId=cadb800f39946ec62ea2b1af9fe6a2b8> >>>>> >>>>> <http://ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1617290459> >>>>> JUnit in Action, Second Edition >>>>> <https://www.amazon.com/gp/product/1935182021/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021&linkCode=as2&tag=garygregory-20&linkId=31ecd1f6b6d1eaf8886ac902a24de418%22> >>>>> >>>>> <http://ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182021> >>>>> Spring Batch in Action >>>>> <https://www.amazon.com/gp/product/1935182951/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951&linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B%7Blink_id%7D%7D%22%3ESpring+Batch+in+Action> >>>>> <http://ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182951> >>>>> Blog: http://garygregory.wordpress.com >>>>> Home: http://garygregory.com/ >>>>> Tweet! http://twitter.com/GaryGregory >>>>> >>>>> >>>> >>>> >>>> -- >>>> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org >>>> Java Persistence with Hibernate, Second Edition >>>> <https://www.amazon.com/gp/product/1617290459/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459&linkCode=as2&tag=garygregory-20&linkId=cadb800f39946ec62ea2b1af9fe6a2b8> >>>> >>>> <http://ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1617290459> >>>> JUnit in Action, Second Edition >>>> <https://www.amazon.com/gp/product/1935182021/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021&linkCode=as2&tag=garygregory-20&linkId=31ecd1f6b6d1eaf8886ac902a24de418%22> >>>> >>>> <http://ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182021> >>>> Spring Batch in Action >>>> <https://www.amazon.com/gp/product/1935182951/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951&linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B%7Blink_id%7D%7D%22%3ESpring+Batch+in+Action> >>>> <http://ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182951> >>>> Blog: http://garygregory.wordpress.com >>>> Home: http://garygregory.com/ >>>> Tweet! http://twitter.com/GaryGregory >>>> >>>> >>>> >>> >>> >>> -- >>> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org >>> Java Persistence with Hibernate, Second Edition >>> <https://www.amazon.com/gp/product/1617290459/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459&linkCode=as2&tag=garygregory-20&linkId=cadb800f39946ec62ea2b1af9fe6a2b8> >>> >>> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1617290459> >>> JUnit in Action, Second Edition >>> <https://www.amazon.com/gp/product/1935182021/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021&linkCode=as2&tag=garygregory-20&linkId=31ecd1f6b6d1eaf8886ac902a24de418%22> >>> >>> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182021> >>> Spring Batch in Action >>> <https://www.amazon.com/gp/product/1935182951/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951&linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B%7Blink_id%7D%7D%22%3ESpring+Batch+in+Action> >>> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182951> >>> Blog: http://garygregory.wordpress.com >>> Home: http://garygregory.com/ >>> Tweet! http://twitter.com/GaryGregory >>> >> >> >> >> -- >> Matt Sicker <boa...@gmail.com> >> > > > > -- > Matt Sicker <boa...@gmail.com> > -- E-Mail: garydgreg...@gmail.com | ggreg...@apache.org Java Persistence with Hibernate, Second Edition <https://www.amazon.com/gp/product/1617290459/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459&linkCode=as2&tag=garygregory-20&linkId=cadb800f39946ec62ea2b1af9fe6a2b8> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1617290459> JUnit in Action, Second Edition <https://www.amazon.com/gp/product/1935182021/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021&linkCode=as2&tag=garygregory-20&linkId=31ecd1f6b6d1eaf8886ac902a24de418%22> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182021> Spring Batch in Action <https://www.amazon.com/gp/product/1935182951/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951&linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B%7Blink_id%7D%7D%22%3ESpring+Batch+in+Action> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a=1935182951> Blog: http://garygregory.wordpress.com Home: http://garygregory.com/ Tweet! http://twitter.com/GaryGregory