{"id":134620,"date":"2020-01-13T14:42:32","date_gmt":"2020-01-13T14:42:32","guid":{"rendered":"https:\/\/devdays.lt\/?page_id=134620"},"modified":"2021-03-19T13:14:29","modified_gmt":"2021-03-19T13:14:29","slug":"jiri-holusa","status":"publish","type":"page","link":"https:\/\/devdays.lt\/jiri-holusa\/","title":{"rendered":"Jiri Holusa"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.9.0&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||0px||true|&#8221; global_module=&#8221;142342&#8243;][et_pb_row module_id=&#8221;sticky&#8221; _builder_version=&#8221;4.9.0&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#fc5a1b&#8221; width=&#8221;100%&#8221; max_width=&#8221;2560px&#8221; custom_padding=&#8221;16px||16px||true|&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.9.0&#8243; _module_preset=&#8221;default&#8221;][et_pb_text _builder_version=&#8221;4.9.0&#8243; _module_preset=&#8221;default&#8221; link_font=&#8221;|600|||||||&#8221; link_text_color=&#8221;#FFFFFF&#8221; link_font_size=&#8221;20px&#8221; link_font_size__hover_enabled=&#8221;on|hover&#8221; link_font_size__hover=&#8221;21px&#8221;]<\/p>\n<p style=\"text-align: center;\"><a href=\"\/tickets\/\">Easter Offer: Get 3 For 2 tickets here!<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; fullwidth=&#8221;on&#8221; disabled_on=&#8221;on|on|off&#8221; admin_label=&#8221;Home&#8221; module_id=&#8221;Home&#8221; _builder_version=&#8221;4.0.6&#8243; background_enable_color=&#8221;off&#8221; use_background_color_gradient=&#8221;on&#8221; background_color_gradient_start=&#8221;rgba(10,30,96,0.5)&#8221; background_color_gradient_end=&#8221;rgba(10,30,96,0.5)&#8221; background_color_gradient_overlays_image=&#8221;on&#8221; background_image=&#8221;https:\/\/devdays.lt\/wp-content\/uploads\/2020\/01\/devd-201-1368&#215;855-1.jpg&#8221; custom_margin=&#8221;0px|0px|0px|0px&#8221; bottom_divider_style=&#8221;arrow2&#8243; bottom_divider_color=&#8221;#ffffff&#8221; bottom_divider_height=&#8221;50px&#8221; bottom_divider_flip=&#8221;vertical&#8221; global_module=&#8221;137943&#8243;][et_pb_fullwidth_header text_orientation=&#8221;center&#8221; background_overlay_color=&#8221;rgba(0,43,94,0.63)&#8221; _builder_version=&#8221;4.4.2&#8243; title_font=&#8221;|700|||||||&#8221; title_text_color=&#8221;#ffffff&#8221; title_font_size=&#8221;55px&#8221; background_color=&#8221;rgba(255, 255, 255, 0)&#8221; custom_button_one=&#8221;on&#8221; button_one_text_color=&#8221;#509af5&#8243; button_one_bg_color=&#8221;#ffffff&#8221; button_one_border_color=&#8221;#ffffff&#8221; button_one_font=&#8221;|600|||||||&#8221; button_one_use_icon=&#8221;off&#8221; custom_button_two=&#8221;on&#8221; button_two_text_color=&#8221;#509af5&#8243; button_two_border_color=&#8221;#509af5&#8243; button_two_font=&#8221;|600|||||||&#8221; button_two_icon_color=&#8221;#509af5&#8243; background_layout=&#8221;light&#8221; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;50px||60px||false|false&#8221; button_one_border_color_hover=&#8221;#509af5&#8243; button_one_text_size__hover_enabled=&#8221;off&#8221; button_two_text_size__hover_enabled=&#8221;off&#8221; button_one_text_color__hover_enabled=&#8221;off&#8221; button_two_text_color__hover_enabled=&#8221;off&#8221; button_one_border_width__hover_enabled=&#8221;off&#8221; button_two_border_width__hover_enabled=&#8221;off&#8221; button_one_border_color__hover_enabled=&#8221;on&#8221; button_one_border_color__hover=&#8221;#509af5&#8243; button_two_border_color__hover_enabled=&#8221;off&#8221; button_one_border_radius__hover_enabled=&#8221;off&#8221; button_two_border_radius__hover_enabled=&#8221;off&#8221; button_one_letter_spacing__hover_enabled=&#8221;off&#8221; button_two_letter_spacing__hover_enabled=&#8221;off&#8221; button_one_bg_color__hover_enabled=&#8221;off&#8221; button_two_bg_color__hover_enabled=&#8221;off&#8221;]<\/p>\n<h1>DevDays Europe <span style=\"color: #509bf5;\">2021<\/span><\/h1>\n<div class=\"header-icons-container\">\n<div>\n<p><img class=\"wp-image-124282 aligncenter size-full\" data-src=\"https:\/\/devdays.lt\/testovyj\/assets\/images\/calendar-icon.png\" alt=\"date\" src=\"https:\/\/devdays.lt\/testovyj\/assets\/images\/calendar-icon.png\" \/><\/p>\n<p class=\"header-icons-calendar\">June 8-10<\/p>\n<\/div>\n<div>\n<p><img class=\"wp-image-124282 aligncenter size-full\" data-src=\"https:\/\/devdays.lt\/testovyj\/assets\/images\/venue.png\" alt=\"venue\" src=\"https:\/\/devdays.lt\/testovyj\/assets\/images\/venue.png\" \/><\/p>\n<p class=\"header-icons-venue\">Vilnius and Online<\/p>\n<\/div>\n<\/div>\n<p>[\/et_pb_fullwidth_header][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|tablet&#8221; _builder_version=&#8221;4.0.6&#8243; background_enable_color=&#8221;off&#8221; custom_padding=&#8221;30px|||||&#8221; custom_padding_tablet=&#8221;30px||||false|false&#8221; custom_padding_phone=&#8221;0px||||false|false&#8221;][et_pb_row column_structure=&#8221;2_5,3_5&#8243; _builder_version=&#8221;4.4.2&#8243; background_color=&#8221;#ffffff&#8221; use_background_color_gradient=&#8221;on&#8221; background_color_gradient_start=&#8221;#c6c6c6&#8243; background_color_gradient_end=&#8221;#ffffff&#8221; background_color_gradient_start_position=&#8221;19%&#8221; width_tablet=&#8221;100%&#8221; width_phone=&#8221;&#8221; width_last_edited=&#8221;on|phone&#8221; max_width=&#8221;850px&#8221; custom_margin=&#8221;||15px||false|false&#8221; custom_padding=&#8221;10px|0px|10px|0px|true|true&#8221; border_radii=&#8221;off|3px|3px||&#8221; border_radii_tablet=&#8221;off|0px|0px||&#8221; border_radii_phone=&#8221;&#8221; border_radii_last_edited=&#8221;on|desktop&#8221; box_shadow_style=&#8221;preset1&#8243;][et_pb_column type=&#8221;2_5&#8243; _builder_version=&#8221;3.29.3&#8243;][et_pb_image src=&#8221;https:\/\/devdays.lt\/wp-content\/uploads\/2021\/02\/DD_Jiri_Holusa_500x500_round.png&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.4.2&#8243; max_width=&#8221;80%&#8221; custom_padding=&#8221;0px|||||&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;3_5&#8243; _builder_version=&#8221;3.29.3&#8243;][et_pb_text _builder_version=&#8221;4.4.2&#8243; text_font=&#8221;|600|||||||&#8221; text_text_color=&#8221;#509af5&#8243; text_font_size=&#8221;30px&#8221; custom_margin=&#8221;30px||||false|false&#8221; custom_margin_tablet=&#8221;&#8221; custom_margin_phone=&#8221;0px||||false|false&#8221; custom_margin_last_edited=&#8221;on|phone&#8221; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1200ms&#8221; text_orientation_tablet=&#8221;&#8221; text_orientation_phone=&#8221;center&#8221; text_orientation_last_edited=&#8221;on|phone&#8221;]<\/p>\n<p>Jiri Holusa<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.4.2&#8243; text_text_color=&#8221;#424242&#8243; text_font_size=&#8221;16px&#8221; custom_padding=&#8221;||10px||false|false&#8221; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1200ms&#8221; animation_delay=&#8221;50ms&#8221; text_orientation_tablet=&#8221;&#8221; text_orientation_phone=&#8221;center&#8221; text_orientation_last_edited=&#8221;on|phone&#8221;]<strong>Position:<\/strong> Product Manager<\/p>\n<p><strong>Company:<\/strong> Hazelcast<\/p>\n<p><strong>Country:<\/strong> Czech Republic[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row custom_padding_last_edited=&#8221;on|tablet&#8221; _builder_version=&#8221;4.0.6&#8243; background_color=&#8221;#ffffff&#8221; width_tablet=&#8221;100%&#8221; width_phone=&#8221;&#8221; width_last_edited=&#8221;on|tablet&#8221; max_width=&#8221;850px&#8221; max_width_tablet=&#8221;850px&#8221; max_width_phone=&#8221;&#8221; max_width_last_edited=&#8221;on|tablet&#8221; custom_padding=&#8221;30px|46px|30px|46px|false|true&#8221; custom_padding_tablet=&#8221;|30px||30px|true|true&#8221; custom_padding_phone=&#8221;|20px||20px|false|true&#8221; border_radii=&#8221;off|||3px|3px&#8221; box_shadow_style=&#8221;preset1&#8243;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.29.3&#8243;][et_pb_text _builder_version=&#8221;4.4.2&#8243; text_font=&#8221;|600|||||||&#8221; text_text_color=&#8221;#509bf5&#8243; text_font_size=&#8221;22px&#8221; header_font=&#8221;|600|||||||&#8221; header_text_align=&#8221;left&#8221; header_text_color=&#8221;#002258&#8243; custom_margin=&#8221;||5px|0px&#8221; custom_padding=&#8221;10px|||&#8221; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1200ms&#8221; animation_delay=&#8221;100ms&#8221;]<\/p>\n<p>Biography<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.4.2&#8243; text_font=&#8221;||||||||&#8221; text_font_size=&#8221;15px&#8221; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1200ms&#8221; animation_delay=&#8221;150ms&#8221;]<\/p>\n<p style=\"text-align: justify;\"><span>Jiri is a devoted open source software engineer that loves his work. Born in Red Hat, now being Quality Engineering team lead at Hazelcast, an in-memory computing platform open source company. Digging deep, never giving up on a problem until it&#8217;s solved and enjoying this all the way, that&#8217;s Jiri. Besides that, he loves basically any sport and as a true Czech person, he never refuses a pleasant conversation over a pint of beer.<\/span><\/p>\n<p>[\/et_pb_text][et_pb_social_media_follow use_icon_font_size=&#8221;on&#8221; icon_font_size=&#8221;15px&#8221; _builder_version=&#8221;4.4.2&#8243; text_orientation=&#8221;left&#8221; custom_margin=&#8221;|||&#8221; custom_margin_phone=&#8221;10px||0px|&#8221; custom_margin_last_edited=&#8221;off|desktop&#8221; custom_padding=&#8221;|||&#8221; custom_padding_phone=&#8221;||0px|&#8221; custom_padding_last_edited=&#8221;off|desktop&#8221; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1200ms&#8221; animation_delay=&#8221;50ms&#8221;][et_pb_social_media_follow_network social_network=&#8221;twitter&#8221; url=&#8221;https:\/\/twitter.com\/jholusa&#8221; _builder_version=&#8221;4.1&#8243; background_color=&#8221;#00aced&#8221; follow_button=&#8221;off&#8221; url_new_window=&#8221;on&#8221;]twitter[\/et_pb_social_media_follow_network][et_pb_social_media_follow_network social_network=&#8221;linkedin&#8221; url=&#8221;https:\/\/www.linkedin.com\/in\/ji%C5%99%C3%AD-holu%C5%A1a-16987874\/&#8221; _builder_version=&#8221;4.1&#8243; background_color=&#8221;#007bb6&#8243; follow_button=&#8221;off&#8221; url_new_window=&#8221;on&#8221;]linkedin[\/et_pb_social_media_follow_network][\/et_pb_social_media_follow][et_pb_text _builder_version=&#8221;4.4.2&#8243; text_font=&#8221;|600|||||||&#8221; text_text_color=&#8221;#021244&#8243; text_font_size=&#8221;20px&#8221; header_font=&#8221;|600|||||||&#8221; header_text_align=&#8221;left&#8221; header_text_color=&#8221;#002258&#8243; custom_margin=&#8221;||5px|0px&#8221; custom_padding=&#8221;10px|||&#8221; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1200ms&#8221; animation_delay=&#8221;100ms&#8221;]<\/p>\n<p>Talk<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.4.2&#8243; text_font=&#8221;||||||||&#8221; text_text_color=&#8221;#ffffff&#8221; header_font=&#8221;|600|||||||&#8221; header_text_color=&#8221;#509bf5&#8243; max_width=&#8221;100%&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; custom_padding=&#8221;0px|||&#8221; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1200ms&#8221; animation_delay=&#8221;100ms&#8221; saved_tabs=&#8221;all&#8221;]<\/p>\n<h1>Intel Optane DC and Java: Lessons Learned in Practice<\/h1>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.4.2&#8243; text_font=&#8221;||||||||&#8221; text_text_color=&#8221;#666666&#8243; text_font_size=&#8221;15px&#8221; custom_padding=&#8221;0px||||false|false&#8221; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1200ms&#8221;]<\/p>\n<p style=\"text-align: justify;\"><span>Intel claims that Optane DC, non-volatile memory technology, brings affordable large capacity (even TBs and more) and support for data persistence keeping comparable speed to classic RAM. Imagine a RAM-like storage, but half the price and even persistent! That sounds amazing for in-memory computing platforms like Hazelcast. We decided to research the technology and then implement the support for it. How did it go? <\/span><\/p>\n<p style=\"text-align: justify;\"><span>Join this talk to learn more about our journey of providing Optane DC support. We will answer to question like:<\/span><br \/> <span>* What is Intel Optane DC?<\/span><br \/> <span>* What are the pros and cons of it?<\/span><br \/> <span>* How can you use Intel Optane DC from Java?<\/span><br \/> <span>* How did the practical implementation go and what are the lessons learned?<\/span><\/p>\n<p style=\"text-align: justify;\"><span>The talk includes live demos showing the actual code working with Intel Optane DC as well as discussion about other aspects like cost and performance.<\/span><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.4.2&#8243; text_font=&#8221;|600|||||||&#8221; text_text_color=&#8221;#509bf5&#8243; text_font_size=&#8221;22px&#8221; header_font=&#8221;|600|||||||&#8221; header_text_align=&#8221;left&#8221; header_text_color=&#8221;#002258&#8243; custom_margin=&#8221;||5px|0px&#8221; custom_padding=&#8221;10px|||&#8221; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1200ms&#8221;]<\/p>\n<p>Session Keywords<\/p>\n<p>[\/et_pb_text][et_pb_code _builder_version=&#8221;4.4.2&#8243; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1200ms&#8221; animation_delay=&#8221;50ms&#8221;]<\/p>\n<div class=\"flex-grid-session-keys\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"flex-grid-item-keyword\"><!-- [et_pb_line_break_holder] -->  <span class=\"tagas\">&#x1f511;<\/span> <!-- [et_pb_line_break_holder] --> Java<!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"flex-grid-item-keyword\"><!-- [et_pb_line_break_holder] -->  <span class=\"tagas\">&#x1f511;<\/span> <!-- [et_pb_line_break_holder] -->   Intel Optane<!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] -->   <\/p>\n<div class=\"flex-grid-item-keyword\"><!-- [et_pb_line_break_holder] -->  <span class=\"tagas\">&#x1f511;<\/span> <!-- [et_pb_line_break_holder] -->    Big Data <!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.0.6&#8243; custom_padding=&#8221;50px||||false|false&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.0.6&#8243;][et_pb_text _builder_version=&#8221;4.4.2&#8243; text_font=&#8221;|700|||||||&#8221; text_text_color=&#8221;#666666&#8243; animation_style=&#8221;fade&#8221; animation_duration=&#8221;1400ms&#8221; animation_delay=&#8221;50ms&#8221; global_module=&#8221;128838&#8243;]<\/p>\n<p style=\"cursor: pointer; text-align: center;\" onclick=\"goBack()\">\u00ab Back<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DevDays Europe 2021 Jiri Holusa Position: Product Manager Company: Hazelcast Country: Czech Republic Biography Jiri is a devoted open source software engineer that loves his work. Born in Red Hat, now being Quality Engineering team lead at Hazelcast, an in-memory computing platform open source company. Digging deep, never giving up on a problem until it&#8217;s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":""},"_links":{"self":[{"href":"https:\/\/devdays.lt\/wp-json\/wp\/v2\/pages\/134620"}],"collection":[{"href":"https:\/\/devdays.lt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/devdays.lt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/devdays.lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/devdays.lt\/wp-json\/wp\/v2\/comments?post=134620"}],"version-history":[{"count":14,"href":"https:\/\/devdays.lt\/wp-json\/wp\/v2\/pages\/134620\/revisions"}],"predecessor-version":[{"id":142407,"href":"https:\/\/devdays.lt\/wp-json\/wp\/v2\/pages\/134620\/revisions\/142407"}],"wp:attachment":[{"href":"https:\/\/devdays.lt\/wp-json\/wp\/v2\/media?parent=134620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}