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good afternoon everybody in the hope no one's going to fall asleep at that time but i will try to to keep do moving at the idea of this talk is to make a small travel around from the system we we want it to have some years ago the system we realized we
have some odd year ago and like that and the system good to think that we'd like to have him in some bones okay so first sorry okay how about me my name is Katya her to dr t i work at guilin we've been involved in grails for the last something like
four years something like that within working serial projects are my mother loved these pictures that's why i put it on and let's talk about this one that's my contact information this percentage you might probably be uploaded right now in guy
in slicer if not it will be in a while I would like to talk you about the project that I had told about before which is the ticket this project it's a client of us it all starts and years ago they could this is a ticket exchange system sir ticket exchange
portal we start working on basing it on Grails and it goes kwaito so to say classic system an endless versa some pictures from from option tation form from two years ago so this goes on the classical okay a small balancers having a static two Tomcats Grails
in the application nothing sexy no not nowadays of this okay the thing is that why did we start with grace the first time it was like when own territory I mean watch a vm gave you any safe gave you a nice filling a calm will came from a jela background so
it was quite easy to to take that that decision there's another point that was that all good SQL or DBMS in Oracle MySQL doesn't really matter we all know about it and we felt so comfortable that stain our room and then there was the gore magic I was
discussing with someone if gum was a good or bad thing don't really know but the government was so appealing back then I was like okay this is going to be the productivity and this is going to be happiness one for the developers so perfectly for some time
we had a quite productive government environment the the running code was quite affordable for for java basic people for java background on the performance of the system was good enough coolio so well we start with it and the system kept growing and kept evolving
and we will present this before I'm quite comfortable with all it good this is from another talk from George East ago so a system has start quite small and in something like something like a year and a half later they start thinking about internalizing
new countries new markets growing and our architecture okay kept growing up this other the countries are currently active and this is what they finally got we wait we scale the system it was always sitting on Amazon acac 2 sorry we have our friend terracotta
doing the guilty cluster job okay and some caches static capture systems things like that but I remember that two years ago when I finish a talk with with a lawyer about this project in the spring I oh and Rica model who is not here right now I came to me
and say that I'm testing but i don't think i will have will it that way nowadays i kept for a while and stop stop think and say okay probably if i had to start again and neither do i make a good eye and there are a lot of things I have changing in
two years both in the system both in our users both in our Lord both in the technology available but that goes our system and we love it but nowadays with still struggling for more growth more countries different brands the system has a lot from visions the
business is growing and it's been something like a reality check hello with other words really bites I really bite us you know where why because we have some pain-in-the-ass problems a lot of them's really in our picture okay some of the problems okay
the catch is the capsule layer is to be right now it's quite hard to tune because we have to conciliate the new it's okay that you should experience the real user experience good our beloved google user and this is like a Google inexperienced because
no matter if you think that you can say will be correctly tuned you will have the users visiting the most popular pages doesn't really matter because Google will try to index you all and you really want it want it to do so it's quite hard to keep a
good balance between both uploads another pain in the ass hoe terracotta this is Christ anyone from terra cotta in the room know it's been hard to tune how to keep how to live with it does its work sometimes or most of the days but but whenever you want
to really change something whenever you have a some big impact change its it's a real pain another problem ok I'll growth I mean the system is so big really in terms of internal objects that I'll fight with the JVM hibits it's been an odyssey
I mean it's been continues it would been tanning tanning tanning and system works doesn't really matter but you have to always in mind that you have to let it to grow too much to be and sand down sometimes you didn't really know you really feel
that a JVM is not home anymore it's now more like like a jail like a caged in with the sentence you you want to escape from it and to take some temperature and of course this the soul has has been a stress in our main main system which is by design meant
to be central even though our slaves are shared with terracotta the context and the information so you will know that mean it's too much too much from each much for everyone productivity slowed down because the system is growth I'd say too much to
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