“I had the privilege during my time at Vaadin to be working under Joonas’ leadership. He was always super approachable, down-to-earth and took an interest in us Vaadiners individually, despite managing a global team across many time zones. As a leader he was transparent and honest, even through challenging times, which built trust amongst employees, partners and customers. There was no problem, whether technical or business related, that I couldn’t spar with and get guidance from Joonas about, which contributed towards my growth in complex software sales. I am excited for whatever Joonas is building next and would be happy to work with him again.”
Joonas Lehtinen
San Jose, California, United States
3K followers
500+ connections
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As a seasoned entrepreneur, I've spent two decades building and leading a successful SaaS…
Activity
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Paul Graham’s post ‘Founder Mode’ really resonated with me: https://lnkd.in/gzwHjUVw If you are a founder or advise one, this will likely provoke…
Paul Graham’s post ‘Founder Mode’ really resonated with me: https://lnkd.in/gzwHjUVw If you are a founder or advise one, this will likely provoke…
Shared by Joonas Lehtinen
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One of the hottest invitations in Washington DC.
One of the hottest invitations in Washington DC.
Liked by Joonas Lehtinen
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More people should know about Vaadin and more devs should enjoy #flow and #hilla. Vaadin is looking for a Growth Engineer to drive Vaadin's growth…
More people should know about Vaadin and more devs should enjoy #flow and #hilla. Vaadin is looking for a Growth Engineer to drive Vaadin's growth…
Liked by Joonas Lehtinen
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Publications
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Feedback Control Algorithms to Deploy and Scale Multiple Web Applications per Virtual Machine
38th Euromicro Conference on Software Engineering and Advanced Applications (SEAA), September 2012, Izmir, Turkey
This paper presents feedback control algorithms to autonomously deploy and scale multiple web applications on a given Infrastructure as a Service cloud. The proposed algorithms provide automatic deployment and undeployment of applications and proportional-derivative scaling of the application server tier. The algorithms use utilization metrics as input and do not require a performance model of the application or the infrastructure dynamics. Moreover, our work supports deployment and scaling of…
This paper presents feedback control algorithms to autonomously deploy and scale multiple web applications on a given Infrastructure as a Service cloud. The proposed algorithms provide automatic deployment and undeployment of applications and proportional-derivative scaling of the application server tier. The algorithms use utilization metrics as input and do not require a performance model of the application or the infrastructure dynamics. Moreover, our work supports deployment and scaling of multiple simultaneous applications per virtual machine (VM). This allows us to share VM resources among deployed applications, reducing the number of required VMs. The approach is demonstrated in a prototype implementation that has been deployed in the Amazon Elastic Compute Cloud.
Other authorsSee publication
Honors & Awards
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Information technology influencer of the year
TIVIA - Finnish Information Processing Association
Languages
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Finnish
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Englisch
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Recommendations received
35 people have recommended Joonas
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The Palo Alto Networks lampshade disaster reminded me of the importance of authenticity and consistency in your company brand. People buy from…
The Palo Alto Networks lampshade disaster reminded me of the importance of authenticity and consistency in your company brand. People buy from…
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A really interesting discussion between Josh Long and Marcus Hellberg about Spring Boot, Vaadin, and how modern web apps are…
A really interesting discussion between Josh Long and Marcus Hellberg about Spring Boot, Vaadin, and how modern web apps are…
Shared by Joonas Lehtinen
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We are thrilled to announce the opening of Eduten’s South Asia’s Headquarters in India! 🚀 This marks a significant step in our mission to empower…
We are thrilled to announce the opening of Eduten’s South Asia’s Headquarters in India! 🚀 This marks a significant step in our mission to empower…
Liked by Joonas Lehtinen
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"Vaadin empowers developers to build amazing business applications. With over two decades of experience, we've developed two open-source web…
"Vaadin empowers developers to build amazing business applications. With over two decades of experience, we've developed two open-source web…
Posted by Joonas Lehtinen
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