May 2019
Beginner to intermediate
296 pages
6h 58m
Japanese
Content preview from IT用語図鑑 ビジネスで使える厳選キーワード256
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
91
関連用語
用語に関連する話
用語の使用例
2
I
T
ス ケ ー ル アウトと
ス ケ ー ル アップ
アムダールの法則
コンピュータを並列で構成した
とき、全体として性能が向上する
目安を数式で表現した法則にア
ムダールの法則があり、性能向上
の限界の予測に使われる。
頻繁な更新における性能
1つのデータベースに対して頻繁
に更新が行われる場合、分散した
すべての保存先に反映するより
も性能を上げるスケールアップ
が有効である。
障害に強いスケールアウト
負荷の分散による性能の向上だ
けでなく、スケールアウトには一
部が故障した場合もそれ以外の
機器で継続して稼働できるとい
うメリットがある。
性能を上げる技 術
個々のコンピュータにおけるハードウェアの性能を上げる方法をスケールアップ 、複数のコ
ンピュータを並べて性能を上げる方法をスケールアウトと言う。どちらの方法も使われるが、
最近ではデータセンターなどを中心に、安価な端末を使うスケールアウトが多い。
▶
す け ー る あ うと
▶
すけーるあっぷ
Keyword
076
「スケールアウトとスケールアップのどちらが高速に処理できるかな？」
負荷分散
……P254
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.