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Alexey Ragozin on Java Mission Control on jug.msk.ru

March 13, 2018, the first meeting of the Moscow community of Java developers jug.msk.ru this season took place. Alexey Ragozin conducted a master class on using Java Mission Control . How was the meeting, what exactly was told about it, how the participants took the report - about all this further.



About speaker


Alexey spoke at jug.msk.ru for the fourth time. You can read about impressions from his previous speeches here (June 4, 2015), here (January 20, 2016) and here (August 30, 2016).

Since his last speech at jug.msk.ru , he managed to participate as a speaker at a number of conferences:
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Presentation files for Alexey’s reports are now on Speaker Deck . A blog with technical articles is still available here , there is a section with a full list of reports with links to videos and presentation files.

About the report


The master class is augmented and refined version of the speech, which took place at the end of last year at a meeting in St. Petersburg JUG.ru.

The announcement of the event caused an unprecedented boom, the hall was completely full. The unusual format (usually meetings are reports or reports on a common topic) probably also sparked interest. It was recommended to take laptops and the instruction on preparation before visiting was sent.

Alexey before the start of the meeting. Andrei Kogun traditionally welcomes the participants, recalling the upcoming conferences and announcing his own report at the JPoint 2018 .



In the first part, an excursion into the profiling of Java applications was made with an overview of the capabilities of the Java Flight Recorder and Java Mission Control . An application available on GitHub was used as the test subject.



In the second part, the demonstration was continued. The material is extremely useful as a less prepared audience (as a review), and advanced (the presentation of more complex cases with qualified comments). The opportunity to ask questions and get answers to them (during a break or at the end of the meeting) turned out to be very popular.



At the end of the meeting, Alexey mentioned the training course on Effective Profiling of Java Applications , which he plans to read on May 21-22, details here .

Link to the presentation . Photos will be available soon on VK and Google+ , videos on YouTube . You can also subscribe to the newsletter with the announcements of the next meetings jug.msk.ru.

Source: https://habr.com/ru/post/351162/


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