「What Makes Android Tick」の版間の差分

<br> 1 we constructed discovery - extremely obtainable, low throughput and latency; low complexity and ready to survive restart we started with vert.x and hazelcast and websockets with sensible shoppers for version2 we added tracing - excessive throughput , a bit greater latency was Ok model 3 we added persistence for tracing by adding elastic search this was the 1st hint of ache - we needed to reroute data pathways and had coupled changes, and this gave an enormous scary cutover v4: we added persistence for discovery, utilizing postgres for persistence, which was one other scary cutover -lets fix our tools Deployment was onerous. Rafi Schloming: I'm Rafi Schloming from datawire - we based it in 2014 to concentrate on microservcie from a distributed programs background I participated in each version of AMQP and had constructed a number of distributed techniques with them, so I thought it can be simple I needed to look again at my studying about microservices wikipedia isn't useful here - "there is no business consensus" "Processese that communicate" "implement modular naturally" there are a lot of fine ground celtic sea salt benefits essays about microservices, but also numerous horror stories of going unsuitable the three facets I wish to cowl is the know-how, the method and the individuals we discovered from specialists, from bootstrapping ourselves and from people migrating to microservices from many origins 3 years ago it was very technically targeted - a network of small providers, hoping it would make better abstractions we learn each story of microservices, went to conferences, started the summit ourselves to share the ideas the people picture: everybody has a developer happiness/tooling/platform workforce and a service workforce that build options technically we noticed a control airplane for instrumenting the services , the providers and a traffic layer it is loads of labor to construct a control airplane, so we decided to provide that as a service for the groups so we ingest attention-grabbing software occasions - start, cease, heartbeat.<br><br><br><br> We should always use data to make our modifications, not VPs in offsites a very powerful factor in our org change is to interrupt our dependencies betwen teams we drew the nodes as groups and the edges as dependencies, and simplified universal ones we proposed some much easier dependency diagrams, with fewer, stronger groups with full possession in a full stack team, you are lacking a enterprise ownership component, so we added PMs and tech leads for inner for the staff to work it needs extra T-shaped individuals. It is the edges, not the nodes that matter Conway: Organisations are constrained to provide designs which can be copies of the communication structures of the org microservices is supposed to outline groups around every service - that's the core componetisation via teams organised around business capabilities - merchandise not initiatives so long term ownership sensible groups and dumb communication pipes - use a lightweight tool like a wiki or weblog durable full-possession teams organised on business capabilities w authority to choose tasks & full independently reduce central control - emphasising data circulation from the center and determination making at the edge Eliminate dependencies between teams as each dependency is an opportunity to fail having a re-org seems like a good suggestion, nevertheless it would not actually work effectively for those who just rename and change studies what if we take a look at an org structure as an engineering goal?<br> <br><br><br> Optimize for agility -not utilisation of a workforce should you optimize teams for environment friendly usage of the group, you ensure that they've a backlog to keep busy what we want are quick work queues and resolution making at the edge as chief architect, I do know far lower than in regards to the domain than the engineer engaged on the problem does at new relic, we're knowledge nerds. Domain driven design is CQRS in play? Nic Benders: I'm Nic Benders, chief architect at New Relic, speaking about Engineering and Autonomy in the Age of Microservices I wish to talk about that you could accomplish in an engineering org with microservices New Relic started out with a knowledge collection service and a data show service that began out micro and grew we now have over 300 companies in out manufacturing setting Conway's regulation all the time is in play - our production environment displays the communications & dependecies between teams Conway's regulation is about how groups communicate, not the precise org chart. We had did not empathize with their issues we had to speak over and over that this wasn't a stealth layoff or a job fair, however we would take care of them we were not shifting the burden of being accountable to the workers but making sure we nonetheless appeared after them we defined the teams & the abilities they needed, not when it comes to positions & acquired everyone in a room to seek out new teams at this point we had not less than made it clear that there have been other groups that you could possibly transfer to about a third of the individuals there did switch teams - tons of latest groups formed from scratch working agreements per staff have been defined as "we work collectively finest when…" for them to fill in the insights group picked Continuous Deployment Weekly demos and Retros, and Mob Programming Mob Programming is like pair programming, however with 6 people sitting spherical the pc with 1 typing - large agility this reorg really worked - we shipped way more this 12 months than anticipated, as a result of they worked faster on what mattered Teams understood their technical remit, but not what the boundaries were - we had been used to side tasks we wrote a rights and tasks document - groups write own Minimal Marketable Features, however should listen too possibly you aren't going to attempt a 6-month re-org, but there are takeaways you hired good engineers - belief them.<br><br><br><br> Development is more incremental Development is frequent small changes with fast suggestions and measureable affect at each step so microservices are a developmental methodology for methods, fairly than an architectural one small frequent modifications and fast feedback and visibility are given for a codebase, however more durable for an entire system so microservices are a approach to collect rapid feedback - not simply assessments however reside measurement instead of construct - check -deploy we wish build - test - assess affect - deploy so measure throughput, latency, and availability measured as error rate the consultants mannequin of canary testing, circuit breakers and so on are methods of creating sense of a working system Technical: small providers; scaffolding for changes Process: service oriented improvement People: instruments and providers working with individuals migrating gave us far more information migration is about folks. 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