If I join pure which divisions are better wrt learning especially from a scaling and distributed systems perspective. Many said flash blade is what does it, but does that mean flash array doesn't have any such learning opportunities?
Ok, disclaimer first: Flasharray engineer who has turned down several chances to move to FlashBlade. I think learning opportunities about distributed systems are limited, even on FB. True, it is a multi-blade distributed system but that layer is mostly done. You'll more likely be implementing some corner of the nfs or s3 protocol, or dealing with quirks of a new flash vendor. In terms of scaling, Flasharray probably has more opportunity - we are continuing to push supported capacity and performance higher while trying to cut down RAM overhead. FB doesn't have any bigger hw coming for a few years - the focus there is on closing the feature gap with competitors and stabilising the product. However as I said before I don't think pure is all that interesting to join now - I prefer Flasharray but to be fair we're mostly implementing checkbox features or going for incremental efficiency improvements.
Both are good but now it depends what are you interested for? Coming from Tintri, I assume you are well versed with NFS protocol. FA is completely SAN (FC, iSCSI), which may be new thing for you to learn (assuming you have no prior experience in SAN). FB is NFS, S3 based but yeah you would definitely get to learn distributed systems. Both products of Pure are good .. one may say FA is the cash cow but lot new to learn in FB. Hope you read the new collaboration of FB with Nvidia (AIRI). If, I may ask, which team of Tintri you work with? FS or Platforms?
Go for a better company instead of joining Pure ... nuff said. Take the hint.
I think the answer totally depends on what you end up doing inside each product. Disclaimer: I work on the FlashArray team and have also turned down chances to move to FlashBlade. To me, it’s not about distributed systems vs not. FlashBlade is a much newer product and that entails growing pains. They have under 80 engineers and I bet the management layer is still being sorted. FlashArray has been around much longer and is a better oiled machine. I prefer to focus on a hard problem with few distractions and I think FlashBlade needs more people that want to just add value and will multitask and solve the multiple problems of the given day/week/month.
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Why do you want to go from tintri to pure? Seems like you would learn more by switching industries or at least going to a slightly more forward-looking company like nutanix?