Oleh Dokuka Profile Banner
Oleh Dokuka Profile
Oleh Dokuka

@OlehDokuka

2,932
Followers
235
Following
107
Media
1,842
Statuses

#Reactive #Guru . Speaker, Writer. Leading @RSocketIO . Ex @ProjectReactor lead at @VMwareTanzu . One of the @Java_Champions . All things #Reactive

Ukraine
Joined November 2016
Don't wanna be here? Send us removal request.
Pinned Tweet
@OlehDokuka
Oleh Dokuka
1 year
Good news folks. This work is outdated ๐Ÿ˜ผ... Since we are working on the new one ๐Ÿ˜ฑ Stay tuned๐Ÿ˜Ž๐Ÿ˜Ž
@OlehDokuka
Oleh Dokuka
6 years
Finally, it's out, IT'S OUT!!!! ๐ŸŽ‰ ๐ŸŽ‡๐Ÿคฉ๐Ÿ˜ It was a really hard challenge, but we did it! Thank you, my dear friend, @siromaha โค๏ธ. Also, thanks a lot for the best review to @tnurkiewicz , @xpinjection , @n_cherkas , it would not be possible without your help!
9
40
152
1
0
21
@OlehDokuka
Oleh Dokuka
4 months
Hey, twitter friends! I'm proud to share some great news! I'm now officially laid off after VMware's acquisition (because I'm based in ๐Ÿ‡บ๐Ÿ‡ฆ). But that is awesome! Now I'm open for new journey ๐Ÿฅณ! Let me know if you need a reactive expert in your team! (retweet is appreciated) ๐Ÿซถ
31
248
302
@OlehDokuka
Oleh Dokuka
3 years
That happened!๐ŸŽ‰ It is my first day at @VMwareTanzu as a part of the @ProjectReactor team! I'm really looking forward to continuing working on @RSocketIO and @ProjectReactor and improve the #Reactive ecosystem
34
11
212
@OlehDokuka
Oleh Dokuka
5 years
Dear friend! I'm doing my best to push innovative techniques like #ReactiveStreams and technologies such as @ProjectReactor and @RSocketIO to the next level and increase their adoption. Please, support me in my hard work by voting for me ->
3
5
161
@OlehDokuka
Oleh Dokuka
6 years
Finally, it's out, IT'S OUT!!!! ๐ŸŽ‰ ๐ŸŽ‡๐Ÿคฉ๐Ÿ˜ It was a really hard challenge, but we did it! Thank you, my dear friend, @siromaha โค๏ธ. Also, thanks a lot for the best review to @tnurkiewicz , @xpinjection , @n_cherkas , it would not be possible without your help!
9
40
152
@OlehDokuka
Oleh Dokuka
6 months
Reactor 3.6.0 is coming! Learn more of what is included in it!
4
35
119
@OlehDokuka
Oleh Dokuka
4 years
Wooo. But it would not happen without support of all my friends. Especially without the support of my wife @IrynaP and my good friend @DaschnerS . All credits to you โค๏ธ
@Java_Champions
Java Champions
4 years
Congratulations to new Java Champions @OndroMih @OlehDokuka @cliff_click !
43
47
238
28
3
102
@OlehDokuka
Oleh Dokuka
4 years
Woo! ๐Ÿพ ๐Ÿ“ข New RSocket 1.1.0 is GA. ๐ŸงพIt includes: - 10x better performance than beforeย ๐ŸŽ - reworked loadbalance API and impl ๐Ÿ‹๏ธโ€โ™€๏ธ - new RSocketClient for a better experience ๐Ÿ‚ - fixes for memory leaks that we had before! ๐Ÿ“ to learn more see
3
25
91
@OlehDokuka
Oleh Dokuka
2 years
Just been talking to folks in the russions JVM chat. I can't belive the blindness of those folks... Just can't... They still think that the reason of their invasions is us, who decided to take NATO direction. And not the fact that their president has imperial sick views...
19
13
89
@OlehDokuka
Oleh Dokuka
4 years
#HappyNewYear to everyone ๐Ÿ˜๐Ÿค‘๐Ÿ˜
Tweet media one
1
2
44
@OlehDokuka
Oleh Dokuka
2 years
Also, for those who wonder why it happened in the JVM chat - we'll, I can't keep my self anymore when someone starts sharing stupid, biased views on Ukraine from Russians side... Just can't
0
0
38
@OlehDokuka
Oleh Dokuka
2 years
Folks just remember. There are no "ะœะพั ั…ะฐั‚ะฐ ะท ะบั€ะฐัŽ". Today it is us. Tomorrow it is you. There is no "stop" for a mentally destabilized person.
2
4
37
@OlehDokuka
Oleh Dokuka
6 years
Looks like I'll be on the September 24 - 27 at @s1p , speaking about @Reactor , #Reactor - #Netty of course in combination with #Reactor - #Kafka . Looking forward to seeing you all there! And do not forget to grab your ticket: #S1P ๐Ÿ˜‰๐Ÿ˜๐Ÿ˜
5
15
37
@OlehDokuka
Oleh Dokuka
5 years
Checked in #chania airport. On my way to a local Airbnb apartment and then to @JCreteUnconf tomorrow morning๐Ÿ˜
Tweet media one
4
2
37
@OlehDokuka
Oleh Dokuka
3 years
woo! So excited about a refreshed look of our @RSocketIO webpage! ๐Ÿคฉ Let's say thank you to @kviglucci for his hard work on bringing this update up!
1
11
35
@OlehDokuka
Oleh Dokuka
5 years
Tweet media one
1
6
36
@OlehDokuka
Oleh Dokuka
3 months
To me, all the interview processes where folks are expecting X from candidate which is specialising on Y (and tell that in advance) is pure insane and disrespect of candidate time. Just wasted my time in such ๐Ÿคฏ
3
1
32
@OlehDokuka
Oleh Dokuka
6 years
ะกะฟะฐัะธะฑะพ ะฑะพะปัŒัˆะพะต, ะดะพั€ะพะณะธะต ะดั€ัƒะทัŒั @JUGru ะบะพั‚ะพั€ั‹ะต ะฟะพัะตั‚ะธะปะธ #jokerconf ะฒ ัั‚ะพะผ ะณะพะดัƒ ะธ ั€ะตัˆะธะปะธ ะทะฐะนั‚ะธ ะฝะฐ ะพะณะพะฝะตะบ #ั€ะตะฐะบั‚ะธะฒะฝะพะณะพ #ั…ะฐั€ะดะบะพั€ะฐ! ะจะฐั€ัŽ ั ะฒะฐะผะธ ัะปะฐะนะดั‹ -> ะ˜ ะธัั…ะพะดะฝั‹ะน ะบะพะด -> ะŸะธัˆะธั‚ะต, ั ั€ะฐะดะพัั‚ัŒัŽ ะพั‚ะฒะตั‡ัƒ, ะฟะพะดัะบะฐะถัƒ, ะฟะพะผะพะณัƒ!
1
15
32
@OlehDokuka
Oleh Dokuka
6 years
Finally, I get it ๐Ÿ˜, my #BestSpeakerAward for the second day of @RigaDevDays with my talk #RefactorToReactive with #Spring5 and @ProjectReactor . ()
Tweet media one
3
2
31
@OlehDokuka
Oleh Dokuka
4 years
30 minutes before my talk at @virtualJUG about the state of #reactivestreams . Join me there ->
2
6
30
@OlehDokuka
Oleh Dokuka
5 years
Amazing #Reactive evening with awasome attendies at #GDG #SantoDomingo .
Tweet media one
1
0
29
@OlehDokuka
Oleh Dokuka
5 years
More #chania photos. Enjoying the city before @JCreteUnconf
Tweet media one
Tweet media two
2
1
27
@OlehDokuka
Oleh Dokuka
5 years
Just submitted "a few" ๐Ÿคฃ proposals for @s1p on #Reactive topic
Tweet media one
1
3
25
@OlehDokuka
Oleh Dokuka
6 years
Also! A lot of effort for reviewing the book was done by @mp911de and @rjdegnan , who sent their best reviews for chapters about #ReactiveDataAccess and #ReactiveinCloud . Also, thank you, @smaldini , for the best forward! THANK you ALL โค๏ธ
0
6
25
@OlehDokuka
Oleh Dokuka
2 years
Reactive Recursion of the day: me preparing yet another reactive talk looking at @bsideup 's talk mentioning mine yet another reactive talk :D
Tweet media one
1
2
25
@OlehDokuka
Oleh Dokuka
5 years
Key differences between #CompletableFuture and #Mono from @ProjectReactor
0
9
25
@OlehDokuka
Oleh Dokuka
4 years
Well, I have never thought that I would have to explain the basics. But, it turned out that I have to explain #FunctionProgramming before going to #Streaming . Thank you @venkat_s for how you explain #fp to every one of us ๐Ÿ™‡โ€โ™‚๏ธโ™ฅ๏ธ. I learn a lot from you!
2
4
24
@OlehDokuka
Oleh Dokuka
5 years
Ahaha. One love @r2dbc and the only standardized #Reactive Realtional Database Driver โค๏ธ
Tweet media one
3
5
24
@OlehDokuka
Oleh Dokuka
4 years
A little bit about #Resilience via @RSocketIO
2
4
24
@OlehDokuka
Oleh Dokuka
4 years
RSocket-Java on Android :D
@yschimke
Yuri Schimke
4 years
RSocket 1.0.1 running on Android Demo project
0
3
5
1
4
23
@OlehDokuka
Oleh Dokuka
3 years
That is why @RSocketIO is a future protocol
@benjchristensen
Ben Christensen
3 years
@OlehDokuka @nipafx @p_bouda @bsideup @amizrash @gunnarmorling @antonarhipov @BrianGoetz @relizarov @RSocketIO Yes, it was buffer bloat at proxies/load-balancers in between the origin and destination of streaming data that led to it. We created a hacked version that solved the immediate problem and then formalized it with RSocket.
1
1
9
1
5
23
@OlehDokuka
Oleh Dokuka
5 years
Me handling the full packed room at #springio19 and talking about #Reactive #NIO using @ProjectReactor
Tweet media one
Tweet media two
0
0
23
@OlehDokuka
Oleh Dokuka
4 years
Moooore @RSocket ... moooooooooorre @RSocket in examples :D
@java
Java
4 years
How to use Spring profiles to switch clients.
Tweet media one
0
30
120
0
5
23
@OlehDokuka
Oleh Dokuka
2 years
That is how my morning started. I have seen a missile flying over my head and then exploding 2 km from where I was #RussianWarCrimes #RussianWarCrimesInUkraine #RussiaIsATerroristState #UkraineWar
2
16
23
@OlehDokuka
Oleh Dokuka
11 months
Hi, OpenSource community! Did you want to contribute to an awesome project? I have good news for you! @ProjectReactor has a couple of good first issues for you ! Some of them just a few lines changes! Don't lose your chance to join the OSS world!
2
10
23
@OlehDokuka
Oleh Dokuka
5 years
Tweet media one
1
1
22
@OlehDokuka
Oleh Dokuka
4 years
Dear friends, please join my classes in Amsterdam, this March!
@gotoacademyNL
GOTO Academy
4 years
Donโ€™t miss out on #ReactiveProgramming masterclass with @OlehDokuka , active committer of @ProjectReactor and @RSocketIO . March 25-27 | Amsterdam. This course will guide you through building reactive #microservices with @SpringWebflux & @r2dbc More info:
Tweet media one
0
2
5
0
5
21
@OlehDokuka
Oleh Dokuka
3 years
My answer on #HowTo use new #Lodbalanced #RSocket Client API
0
5
20
@OlehDokuka
Oleh Dokuka
5 years
#Reactive hardcore and beyond with @bsideup at @VoxxedMinsk
Tweet media one
Tweet media two
Tweet media three
Tweet media four
1
2
21
@OlehDokuka
Oleh Dokuka
5 years
5 minutes before my #Multiplayer #pacman with @RSocketIO session. Looking forward to seeing you all there โค๏ธ๐Ÿ˜. #Room5 @DevoxxPL #devoxxpl #devoxx
Tweet media one
Tweet media two
2
2
21
@OlehDokuka
Oleh Dokuka
6 years
Some photos from my talk about #ReactiveSpring and @ProjectReactor at @javadayistanbul
@christhalinger
Chris Thalinger
6 years
watching @OlehDokuka โ€™s talk at #JavaDayIstanbul
Tweet media one
0
2
13
0
2
20
@OlehDokuka
Oleh Dokuka
5 years
Preparing with @violeta_g_g to our tomorrow talk about @ProjectReactor #gems at @jPrimeConf #jprime2019 #jprime ๐Ÿ˜โค๏ธ
Tweet media one
0
0
20
@OlehDokuka
Oleh Dokuka
5 years
Just answered another question on #StackOverflow related to #ReactiveStreams and @ProjectReactor . If you are looking for a convenient patter for exception throwing, please see the following post ->
1
7
20
@OlehDokuka
Oleh Dokuka
4 years
Nice, more tutorials on #Reactive and #RSocket
@intellijidea
IntelliJ IDEA, a JetBrains IDE
4 years
Here's our end-of-year gift to you: we wrapped up the whole #Reactive #SpringBoot tutorial into a single blog post with links to everything you'll need. Happy coding!
Tweet media one
3
67
174
0
0
19
@OlehDokuka
Oleh Dokuka
4 years
For those who curious about the proper use of #publishOn and #subscribeOn in #reactive libs like #projectreactor
0
7
19
@OlehDokuka
Oleh Dokuka
5 years
#HUJAK duck you into feed ๐Ÿ˜
Tweet media one
2
1
18
@OlehDokuka
Oleh Dokuka
5 years
Looks like @JCreteUnconf will be much more #Reactive this year. Looking forward and thanks a lot @heinzkabutz and the team!
Tweet media one
3
0
19
@OlehDokuka
Oleh Dokuka
6 years
Despite the fact that I met @venkat_s many many time before, it is my first selfie with him ๐Ÿ˜ at @VoxxedMinsk
Tweet media one
Tweet media two
0
1
19
@OlehDokuka
Oleh Dokuka
5 years
Dear friends who are in #Switzerland right now and want to hear more about @RSocketIO and #ReactiveStreams - there is an amazing meetup at #Lucerne where I will be talking about #RSocket application in the case of #Multiplayer #Realtime #PacMan #game ! Donโ€™t miss it!
@petikoch
Peter Koch ๐Ÿ‡จ๐Ÿ‡ญ
5 years
If you are interested in @RSocketIO , #reactiveprogramming or in general in building distributed systems, join the @jugch talk tomorrow evening (Oct 4) with @OlehDokuka talking in Lucerne ๐Ÿ‡จ๐Ÿ‡ญ
0
0
6
1
4
19
@OlehDokuka
Oleh Dokuka
4 years
@RSocketIO for Java is getting better and better!
Tweet media one
0
2
19
@OlehDokuka
Oleh Dokuka
5 years
Preparing to my talk about #Reactive #NIO with @ProjectReactor at @VoxxedMinsk . FYI. We are going to start in few minutes. Hurry up โค๏ธ๐Ÿ˜
Tweet media one
0
2
18
@OlehDokuka
Oleh Dokuka
6 years
And again...๐Ÿ˜ Another workshop on #ReactiveProgramming and @ProjectReactor in Kyiv with amazing audience. Many thanks to #JUGUkraine for the support. Many thanks to @WixEng in Kyiv for hospitality and event's hosting.
Tweet media one
1
3
18
@OlehDokuka
Oleh Dokuka
5 years
We are about to start the #pacman #rsocket talk at #CodemotionMadrid19 ! Join usโค๏ธ!
Tweet media one
0
0
18
@OlehDokuka
Oleh Dokuka
5 years
'ะ”ะพ ั‡ะตะณะพ ั‚ะตั…ะฝะพะปะพะณะธะธ ะดะพัˆะปะธ, ะฒะฐัˆัƒ ะผะฐะผัƒ ะธ ั‚ะฐะผ ะธ ั‚ะฐะผ ะฟะพะบะฐะทั‹ะฒะฐัŽั‚' ๐Ÿคฃ. ะะฐ ะดะพะบะปะฐะดะต #Reactive or Not #Reactive ะพั‚ @jekaborisov ะธ @tolkv ะฝะฐ #Jokerconf @JUGru
Tweet media one
0
2
17
@OlehDokuka
Oleh Dokuka
3 years
Good reading on how @canva is using @RSocketIO to enable real-time collaboration!
@SerCeMan
Sergey Tselovalnikov
3 years
Just published a new blog post - "Enabling real-time collaboration with RSocket". The post describes how we've introducing services that support bidirectional streaming using @RSocketIO !
0
13
45
3
4
18
@OlehDokuka
Oleh Dokuka
5 years
Tweet media one
0
3
17
@OlehDokuka
Oleh Dokuka
5 years
We are about to start our workshop at #jprime #jprime2019 @jPrimeConf . @nicolas_frankel is already there. But what about you? ๐Ÿ˜
Tweet media one
1
0
17
@OlehDokuka
Oleh Dokuka
5 years
Another sample on how you can rewrite your old #SpringWebMVC controller to the new @springwebflux one using @ProjectReactor ->
0
6
17
@OlehDokuka
Oleh Dokuka
6 years
The best ever speech about #LoadBalancing by @stevegury ->
1
13
17
@OlehDokuka
Oleh Dokuka
5 years
Small sponteniouslly organized unconference somewhere in the heart of #Latvia after #RigaDevDays19 . Discussing lots of technical stuff. Love it! โค๏ธ
Tweet media one
Tweet media two
Tweet media three
3
3
17
@OlehDokuka
Oleh Dokuka
5 years
New day - a new challenge. Have agreed with @shelajev that I will be giving a new talk with the title " #Reactive Crusaid for Holy #Graal " where we are going to understand why we get a performance improvement in case of using @graalvm with @ProjectReactor or similar libs.
1
0
17
@OlehDokuka
Oleh Dokuka
4 years
Yeah...Always like to accept #NULL #skyteam
Tweet media one
1
0
16
@OlehDokuka
Oleh Dokuka
4 years
Hah, look what I found. That is my first conference where I was a speaker for the first time and bacame the best among students speakers ๐Ÿ˜Ž
Tweet media one
0
0
17
@OlehDokuka
Oleh Dokuka
5 years
My thoughts about #WebFlux + @ProjectReactor concurrency model and its fits for CPU intensive tasks processing -> . Any comments/feedback are welcome and highly appreciated!
1
10
17
@OlehDokuka
Oleh Dokuka
5 years
Always dreamt to install that on my phone ๐Ÿ˜‚
Tweet media one
2
0
16
@OlehDokuka
Oleh Dokuka
4 years
Hey folks! It is the last chance to submit your proposal to #JEEConf2020 . It should be fun!
1
8
16
@OlehDokuka
Oleh Dokuka
3 years
My own discovery of the day: Tell me what I have to learn, and I will find a place where I can perform a course on that topic ๐Ÿคฃ My ways to learn is by teaching others :D
4
0
16
@OlehDokuka
Oleh Dokuka
2 years
If you finally decided to help, here is what you can do ->
0
9
16
@OlehDokuka
Oleh Dokuka
2 years
๐Ÿ˜๐Ÿค—โค๏ธ๐Ÿ’š
0
0
16
@OlehDokuka
Oleh Dokuka
5 years
Tweet media one
0
1
16
@OlehDokuka
Oleh Dokuka
3 months
I can say one thing - spring interview culture is a different level. Even if you was not accepted - your practical task is your contribution to spring framework. You never waste your time. You learn alot from it! As well as interview process is so pleasant
@OlehDokuka
Oleh Dokuka
3 months
To me, all the interview processes where folks are expecting X from candidate which is specialising on Y (and tell that in advance) is pure insane and disrespect of candidate time. Just wasted my time in such ๐Ÿคฏ
3
1
32
2
1
15
@OlehDokuka
Oleh Dokuka
5 years
And that is how @QConBeijing did go. Love it. ๐Ÿ˜
Tweet media one
0
0
16
@OlehDokuka
Oleh Dokuka
5 years
It is coming... ๐Ÿฅณ
@linux_china
Jacky Chan
5 years
Spring Framework with RSocket, great work.
0
5
24
0
6
16
@OlehDokuka
Oleh Dokuka
5 years
Reminder about difference between fromCallable and defer ->
0
3
16
@OlehDokuka
Oleh Dokuka
5 years
5 minutes before the start of #Reactive hardcore or how to build own @ProjectReactor at @DevoxxPL #devoxxpl #devoxxpl2019
Tweet media one
Tweet media two
1
0
16
@OlehDokuka
Oleh Dokuka
6 years
Hi @OReillyMedia ! I would like to write an ebook about @RSocketIO and some frameworks that is built on top of that, such as #Proteus framework that we build at @netifi_inc . Can we talk about that? My company is also interested in that.
1
0
15
@OlehDokuka
Oleh Dokuka
4 years
Not bad. Top 3 at #jfall #jfall2019 ๐Ÿ™with my #RSocket talk.
Tweet media one
1
1
14
@OlehDokuka
Oleh Dokuka
2 years
@nicolas_frankel @Raumzeitfalle @yegor256 I'm welcoming everyone who has doubts about what is going on to Kyiv NOW. I will do a nice city tour which will clarify all the thoughts immediately.
2
0
15
@OlehDokuka
Oleh Dokuka
4 years
Some advice on how to design an implementation that adopts #Async to #Reactive properly (and avoid redundant .defer usage)
0
4
14
@OlehDokuka
Oleh Dokuka
5 years
1
3
14