1 00:00:00,220 --> 00:00:01,810 ‫So this is a little bit of a weird lecture, 2 00:00:01,810 --> 00:00:03,717 ‫but it's about right sizing in AWS 3 00:00:03,717 --> 00:00:06,140 ‫and the exam may ask you one question about it. 4 00:00:06,140 --> 00:00:08,170 ‫So the idea is that because you have so many 5 00:00:08,170 --> 00:00:10,190 ‫instance types to choose in the cloud, 6 00:00:10,190 --> 00:00:12,620 ‫choosing the most powerful one is not the best choice, 7 00:00:12,620 --> 00:00:13,740 ‫because the cloud is elastic 8 00:00:13,740 --> 00:00:16,360 ‫and you can change the instance type whenever you want. 9 00:00:16,360 --> 00:00:18,710 ‫So right sizing is a process of matching 10 00:00:18,710 --> 00:00:21,030 ‫the instance type and size to your workload performance 11 00:00:21,030 --> 00:00:23,540 ‫and capacity requirements at the lowest possible cost. 12 00:00:23,540 --> 00:00:25,670 ‫Making sure the size is right. 13 00:00:25,670 --> 00:00:26,503 ‫Because why? 14 00:00:26,503 --> 00:00:28,230 ‫In the cloud well, you can scale up easily. 15 00:00:28,230 --> 00:00:31,850 ‫So always start small to find the right size. 16 00:00:31,850 --> 00:00:35,160 ‫It's also the process of continuously looking at 17 00:00:35,160 --> 00:00:36,545 ‫all your deployed instances. 18 00:00:36,545 --> 00:00:39,200 ‫And for example, looking at their metrics to identify 19 00:00:39,200 --> 00:00:41,650 ‫which are the opportunities to eliminate 20 00:00:41,650 --> 00:00:44,030 ‫or downsize without compromising on quality, 21 00:00:44,030 --> 00:00:45,970 ‫on capacity, performance and so on, 22 00:00:45,970 --> 00:00:48,630 ‫which will in turn, results in lower cost. 23 00:00:48,630 --> 00:00:50,200 ‫So it's super important to right size 24 00:00:50,200 --> 00:00:53,680 ‫in two moments in your cloud journey. 25 00:00:53,680 --> 00:00:55,500 ‫Number one, before you do a cloud migration, 26 00:00:55,500 --> 00:00:57,580 ‫because it is very common for a company 27 00:00:57,580 --> 00:00:59,220 ‫to just migrate to the cloud, 28 00:00:59,220 --> 00:01:02,380 ‫puts everything with biggest instance size and forget it. 29 00:01:02,380 --> 00:01:03,750 ‫This is not the best way. 30 00:01:03,750 --> 00:01:06,410 ‫Please right size before you do cloud migration. 31 00:01:06,410 --> 00:01:08,599 ‫{\an8}And then once you've done the climate migration, 32 00:01:08,599 --> 00:01:10,460 ‫{\an8}you need to do it continuously. 33 00:01:10,460 --> 00:01:11,480 ‫{\an8}Maybe once a month, 34 00:01:11,480 --> 00:01:13,000 ‫{\an8}because requirements change over time 35 00:01:13,000 --> 00:01:14,310 ‫{\an8}and it's important to see if you need to 36 00:01:14,310 --> 00:01:16,330 ‫{\an8}right size up or right-size down. 37 00:01:16,330 --> 00:01:17,163 ‫{\an8}Okay? 38 00:01:17,163 --> 00:01:19,210 ‫{\an8}So there's some tools that can help you right size. 39 00:01:19,210 --> 00:01:20,043 ‫{\an8}For example, 40 00:01:20,043 --> 00:01:22,340 ‫{\an8}CloudWatch, Cost Explorer, Trusted Advisor, 41 00:01:22,340 --> 00:01:24,330 ‫{\an8}and other third-party tools that can help. 42 00:01:24,330 --> 00:01:25,163 ‫{\an8}Okay? 43 00:01:25,163 --> 00:01:26,395 ‫So right sizing is very important. 44 00:01:26,395 --> 00:01:30,820 ‫The thing is you need to always scale up over time, 45 00:01:30,820 --> 00:01:31,950 ‫so start small. 46 00:01:31,950 --> 00:01:34,573 ‫And number two, you right size just before a cloud migration 47 00:01:34,573 --> 00:01:37,000 ‫and also continuously in the cloud. 48 00:01:37,000 --> 00:01:37,833 ‫That's it. 49 00:01:37,833 --> 00:01:38,700 ‫That's all you need to know for the exam. 50 00:01:38,700 --> 00:01:39,533 ‫I hope you liked it. 51 00:01:39,533 --> 00:01:41,350 ‫And I will see you in the next lecture.